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solid-state relays opto 22 ? 43044 business park drive ? temecula, ca 92590-3614 ? www.opto22.com sales 800-321-6786 ? 951-695-3000 ? fax 951-695-3095 ? sales@opto22.com ? support 800-835-6786 ? 951-695-3080 ? fax 951-695-3017 ? support@opto22.com ? 2006C2014 opto 22. all rights reserved. di mensions and specifications are subject to change. brand or pr oduct names used here in are trademarks or registered trademarks of their respective companies or organizations. page 1 data sheet form 0859-140606 solid-state relays features rugged, epoxy encapsulation construction 4,000 volts of optical isolation subjected to full load test and six times the rated current surge before and after encapsulation unique heat-spreader technology guaranteed for life overview in 1974, opto 22 introduced the first liquid epoxy-filled line of power solid-state relays (ssr). this innovation in ssr design greatly improved the reliability and reduced the cost of manufacturing. at that time, we also incorporated into our manufacturing process 100% testing under full load conditions of every relay we produced. by 1978, opto 22 had gained such a reputation for reliability that we were recognized as the worlds leading manufacturer of solid-state relays. through continuous manufacturing improvements and the same 100% testing policy established over 30 years ago, opto 22 is still recognized today for the very high quality and reliability of all our solid-state relays. description opto 22 offers a complete line of ssrs, from the rugged 120/ 240/380-volt ac series to the small footprint mp series, designed for mounting on printed circuit boards. all opto 22 ssrs feature 4,000 volts of optical isolation, and most are ul and csa recognized. the innovative use of room-temperature liquid epoxy encapsulation, coupled with opto 22s unique heat-spreader technology, are key to mass producing the worlds most reliable solid state relays. every opto 22 solid state relay is subjected to full load test and six times the rated current surge both before and after opto 22 power series ssr part numbers part description ac switching 120a10 120 vac, 10 amp, ac control 120a25 120 vac, 25 amp, ac control 240a10 240 vac, 10 amp, ac control 240a25 240 vac, 25 amp, ac control 240a45 240 vac, 45 amp, ac control 120d3 120 vac, 3 amp, dc control 120d10 120 vac, 10 amp, dc control 120d25 120 vac, 25 amp, dc control 120d45 120 vac, 45 amp, dc control 240d3 240 vac, 3 amp, dc control 240d10 240 vac, 10 amp, dc control 240di10 240 vac, 10 amp, dc control, with led indica- tors 240d25 240 vac, 25 amp, dc control 240di25 240 vac, 25 amp, dc control, with led indica- tors 240d30-hs 240 vac, 30 amp, dc control, with integrated heatsink 240d45 240 vac, 45 amp, dc control 240di45 240 vac, 45 amp, dc control, with led indica- tors 380d25 380 vac, 25 amp, dc control 380d45 380 vac, 45 amp, dc control 480d10-12 480 vac, 10 amp, dc control, transient proof 480d15-12 480 vac, 15 amp, dc control, transient proof 480d25-12 480 vac, 25 amp, dc control, transient proof 480d25-hs 480 vac, 25 amp, dc control, transient proof, with integrated heatsink 480d45-12 480 vac, 45 amp, dc control, transient proof 575d15-12 575 vac, 15 amp, dc control, transient proof 575d45-12 575 vac, 45 amp, dc control, transient proof 575d30-hs 575 vac, 30 amp, dc control, transient proof, with integrated heatsink 575di45-12 575 vac, 45 amp, dc control, transient proof, with led indicators mp120d2 or p120d2 120 vac, 2 amp, dc control. p model is low profile. mp120d4 or p120d4 120 vac, 4 amp, dc control. p model is low profile. mP240D2 or P240D2 240 vac, 2 amp, dc. p model is low profile. mp240d4 or p240d4 240 vac, 4 amp, dc. p model is low profile. mp380d4 380 vac, 4 amp, dc z120d10 z model, 120 vac, 10 amp, dc control z240d10 z model, 240 vac, 10 amp, dc control dc switching dc60p or dc60mp 60 vdc, 3 amp, dc control. p model is low profile. dc200p or dc200mp 200 vdc, 1 amp, dc control. p model is low profile. dc60s-3 60 vdc, 3 amp, dc control dc60s-5 60 vdc, 5 amp, dc control accessories safety cover power series ssr safety cover ssr-hs power series ssr heatsink ssr-thermopad thermal conductive pad (pack of 10) part description ac switching
solid-state relays opto 22 ? 43044 business park drive ? temecula, ca 92590-3614 ? www.opto22.com sales 800-321-6786 ? 951-695-3000 ? fax 951-695-3095 ? sales@opto22.com ? support 800-835-6786 ? 951-695-3080 ? fax 951-695-3017 ? support@opto22.com ? 2006C2014 opto 22. all rights reserved. dimensions and specificat ions are subject to change. brand or product names used here in are trademarks or registered trademarks of their respective companies or organizations. solid-state relays page 2 data sheet form 0859-140606 encapsulation. this double testing of every part before it leaves the factory means you can rely on opto 22 solid state relays. all opto 22 ssrs are guaranteed for life. accessories for the power-series ssrs include a safety cover, heatsink, and a matching thermal conductive pad. see page 3 . power series ssrs opto 22 provides a full range of power series relays with a wide variety of voltage (120C575 volts) and current options (3C45 amps). all power series relays feature 4,000 volts of optical isolation and have a high prv rating. some power series relays include built-in leds to indicate operation. see page 4 . dc series the dc series delivers isolated dc control to large oem customers worldwide. all dc control ssrs are ls ttl compatible. ac series the ac series offers the ultimate in solid state reliability. all ac power series relays feature a built-in snubber as well as zero- voltage turn-on and zero-current turn-off. transient-proof models offer self protection for noisy electrical environments. z series ssrs the z series employs a unique heat transfer system that makes it possible for opto 22 to deliver a low-cost, 10-amp, solid state relay in an all-plastic case. the push-on, tool-free quick-connect terminals make the z series ideal for high- volume oem applications. operating temperature: C40 c to 100 c. see page 7 . printed circuit series ssrs opto 22s printed circuit series allows oems to easily deploy solid state relays on printed circuit boards. two unique packages are available, both of which will switch loads up to four amps. operating temperature: C40 c to 100 c. see page 9 . mp series the mp series packaging is designed with a minimum footprint to allow maximum relay density on the printed circuit board. p series the p series power relays provide low-profile [0.5 in. (12.7 mm)] center mounting on printed circuit boards. hs series ssrs the hs series features an integrated heatsink, which makes them?so? cool. these relays have less thermal resistance inside, so heat dissipates more easily than in a standard ssr mounted to the same heatsink. with the heatsink built-in, you don't have to select one from a catalog, and installation is much easier.?see page 13 . specifications (all power series models) ? 4,000 v optical isolation, input to output ? zero voltage turn-on ? zero-current turn-off ? turn-on time: 0.5 cycle maximum ? turn-off time: 0.5 cycle maximum ? operating temperature: C40 c to 100 c ? operating frequency: 25 to 65 hz (operates at 400 hz with six times off-state leakage) ? coupling capacitance, inpu t to output: 8 pf maximum ? hermetically sealed ? dv/dt off-state: 200 volts per microsecond ? dv/dt commutating: snubbed for rated current at 0.5 power factor ? ul recognized ? csa certified ? ce component ? torque specs for screws (this spec is both the recommended torque and the maximum torque you should use): control terminals, 10 in-lb (1.13 n-m) field terminals, 18 in-lb (2.03 n-m)
solid-state relays opto 22 ? 43044 business park drive ? temecula, ca 92590-3614 ? www.opto22.com sales 800-321-6786 ? 951-695-3000 ? fax 951-695-3095 ? sales@opto22.com ? support 800-835-6786 ? 951-695-3080 ? fax 951-695-3017 ? support@opto22.com ? 2006C2014 opto 22. all rights reserved. di mensions and specifications are subject to change. brand or pr oduct names used here in are trademarks or registered trademarks of their respective companies or organizations. solid-state relays data sheet form 0859-140606 page 3 power series ssr accessories safety cover a plastic safety cover (opto 22 part number safety cover) is available for use with opto 22 power series ssrs. the safety cover reduces the chance of accidental contact with relay terminals, while providing access holes for test instrumentation. ssr-hs heatsink custom designed for the power series ssrs, the ssr-hs heatsink provides excellent heat dissipation when mounted to the ssr with a matching therma l conductive pad, which is used in place of silicon grease . one thermal pad is included with the heatsink. additional pads may be purchased in packs of 10 (part number ssr-thermopad). thermal ratings the thermal ratings shown in the following graphs were obtained with an ssr attached to a heatsink using a thermal conductive pad. 45 amp relay on ssr-hs heatsink derating 25 amp relay on ssr-hs heatsink derating heatsink assembly before attaching the ssr, remove the protective film from both sides of the thermal pad, then place the pad on the heatsink making sure to align the holes. secure the ssr to the heatsink with the two 8-32 x 3/8? panhead phillips screws included in the kit. use 20 in-lb (2.26 n-m) of torque. an optional plastic safety cover can be installed on a power series ssr. v h 30 25 20 15 10 5 30 40 50 60 70 80 90 100 20 ambient temperature (c) rms amperes v : heatsink mounted to a vertical surface h : heatsink mounted to a horizontal surface. 30 25 20 15 10 5 30 40 50 60 70 80 90 100 20 ambient temperature (c) rms amperes v h v : heatsink mounted to a vertical surface h : heatsink mounted to a horizontal surface. screws thermal conductive pad power series ssr (not included) heatsink note: to take advantage of the cooling effect of natural air flow, mount the ssr/heatsink assembly to a vertical surface with the opto 22 logo right side up as shown here.
solid-state relays opto 22 ? 43044 business park drive ? temecula, ca 92590-3614 ? www.opto22.com sales 800-321-6786 ? 951-695-3000 ? fax 951-695-3095 ? sales@opto22.com ? support 800-835-6786 ? 951-695-3080 ? fax 951-695-3017 ? support@opto22.com ? 2006C2014 opto 22. all rights reserved. dimensions and specificat ions are subject to change. brand or product names used here in are trademarks or registered trademarks of their respective companies or organizations. solid-state relays page 4 data sheet form 0859-140606 ac power series specifications opto 22 provides a full range of power series relays with a wi de variety of voltage (120C575) an d current options (3C45 amps). a ll power series relays feature 4,000 volts of optical isolation and have a high prv rating. operating temperature is C40 c to 100 c. connection diagram rent control varies with control voltage. see control ent calculation on page 17 for information. model number nominal ac line voltage nominal current rating (amps) 1 cycle surge (amps) peak nominal signal input resistance (ohms) signal pick-up voltage signal drop- out voltage peak repetitive voltage maximum maximum output voltage drop off-state leakage (ma) maximum** operating voltage range (volts ac) i 2 t rating t=8.3 (ms) isolation voltage jc* (c/watt) dissipation (watts/ amp) 120d3 120 3 85 1000 3vdc (32v allowed) 1 vdc 600 1.6 volts 2.5ma 12?140 30 4,000v rms 11 1.7 120d10 120 10 110 1000 3vdc (32v allowed) 1 vdc 600 1.6 volts 7 ma 12?140 50 4,000v rms 1.3 1.6 120d25 120 25 250 1000 3vdc (32v allowed) 1 vdc 600 1.6 volts 7 ma 12?140 250 4,000v rms 1.2 1.3 120d45 120 45 650 1000 3vdc (32v allowed) 1 vdc 600 1.6 volts 7 ma 12?140 1750 4,000v rms 0.67 0.9 240d3 240 3 85 1000 3vdc (32v allowed) 1 vdc 600 1.6 volts 5 ma 24?280 30 4,000v rms 11 1.7 240d10 240 10 110 1000 3vdc (32v allowed) 1 vdc 600 1.6 volts 14 ma 24?280 50 4,000v rms 1.3 1.6 240di10 240 10 110 730 3vdc (32v allowed) 1 vdc 600 1.6 volts 14 ma 24?280 50 4,000v rms 1.3 1.6 240d25 240 25 250 1000 3vdc (32v allowed) 1 vdc 600 1.6 volts 14 ma 24?280 250 4,000v rms 1.2 1.3 240di25 240 25 250 730 3vdc (32v allowed) 1 vdc 600 1.6 volts 14 ma 12?280 250 4,000v rms 1.2 1.3 240d45 240 45 650 1000 3vdc (32v allowed) 1 vdc 600 1.6 volts 14 ma 24?280 1750 4,000v rms 0.67 0.9 240di45 240 45 650 730 3vdc (32v allowed) 1 vdc 600 1.6 volts 14 ma 24?280 1750 4,000v rms 0.67 0.9 380d25 380 25 250 1000 3vdc (32v allowed) 1 vdc 800 1.6 volts 12 ma 24?420 250 4,000v rms 1.2 1.3 380d45 380 45 650 1000 3vdc (32v allowed) 1 vdc 800 1.6 volts 12 ma 24?420 1750 4,000v rms 0.67 0.9 120a10 120 10 110 33k 85vac (280v allowed) 10 vac 600 1.6 volts 7 ma 12?140 50 4,000v rms 1.3 1.6 120a25 120 25 250 33k 85vac (280v allowed) 10 vac 600 1.6 volts 7 ma 12?140 250 4,000v rms 1.2 1.3 240a10 240 10 110 33k 85vac (280v allowed) 10 vac 600 1.6 volts 14 ma 24?280 50 4,000v rms 1.3 1.6 240a25 240 25 250 33k 85vac (280v allowed) 10 vac 600 1.6 volts 14 ma 24?280 250 4,000v rms 1.2 1.3 240a45 240 45 650 33k 85vac (280v allowed) 10 vac 600 1.6 volts 14 ma 24?280 1750 4,000v rms 0.67 0.9 note: jc* = thermal resistance from internal junction to ba se. maximum internal junction temperature is 110 c. ** operating frequency: 25 to 65 hz (operates at 400 hz with 6 times the offstate leakage) 120/240/380 volt connection diagram, dc power series *control current varies with control voltage. see control current calculation on page 17 for information. note: model numbers ending in -17 are replacement parts only. their specifications are identical to the same model number without the -17. fo r example, 240d10-17 is identical to 240d10.
solid-state relays opto 22 ? 43044 business park drive ? temecula, ca 92590-3614 ? www.opto22.com sales 800-321-6786 ? 951-695-3000 ? fax 951-695-3095 ? sales@opto22.com ? support 800-835-6786 ? 951-695-3080 ? fax 951-695-3017 ? support@opto22.com ? 2006C2014 opto 22. all rights reserved. di mensions and specifications are subject to change. brand or pr oduct names used here in are trademarks or registered trademarks of their respective companies or organizations. solid-state relays data sheet form 0859-140606 page 5 120/240/380 volt (cont.) surge current data connection diagram, ac power series thermal ratings time (seconds) time* (cycles) 3-amp peak amps 10-amp peak amps 25-amp peak amps 45-amp peak amps 0.017 1 85 110 250 650 0.050 3 66 85 175 420 0.100 6 53 70 140 320 0.200 12 45 60 112 245 0.500 30 37 50 80 175 1 60 31 40 67 134 2 120 28 33 53 119 3 180 27 32 49 98 4 240 26 31 47 95 5 300 25 30 45 91 10 600 24 28 42 84 note: *60 h z . mounted on a heat sink with 2 c/watt rating mounted on a heat sink with 1 c/watt rating side view: part numbers dc60s3, 120d3, and 240d3 only side view: all other part numbers + 3-32vdc control dimensional drawings note: all dimensions are nominal.
solid-state relays opto 22 ? 43044 business park drive ? temecula, ca 92590-3614 ? www.opto22.com sales 800-321-6786 ? 951-695-3000 ? fax 951-695-3095 ? sales@opto22.com ? support 800-835-6786 ? 951-695-3080 ? fax 951-695-3017 ? support@opto22.com ? 2006C2014 opto 22. all rights reserved. dimensions and specificat ions are subject to change. brand or product names used here in are trademarks or registered trademarks of their respective companies or organizations. solid-state relays page 6 data sheet form 0859-140606 480/575 volt surge current data thermal ratings model number nominal ac line voltage nominal current rating (amps) 1 cycle surge (amps) peak nominal signal input resistance (ohms) signal pick-up voltage signal drop- out voltage peak repetitive voltage maximum maximum output voltage drop off-state leakage (ma) maximum** operating voltage range (volts ac) i 2 t rating t=8.3 (ms) isolation voltage jc* (c/watt) dissipation (watts/amp) 480d10-12 480 10 110 1000 3vdc (32v allowed) 1 vdc 1200 3.2 volts 11 ma 100?530 50 4,000v rms 1.2 2.5 480d15-12 480 15 150 1000 3vdc (32v allowed) 1 vdc 1200 3.2 volts 11 ma 100?530 50 4,000v rms 1.2 2.5 480d25-12 480 25 250 1000 3vdc (32v allowed) 1 vdc 1000 1.6 volts 11 ma 100?530 250 4,000v rms 1.3 1.3 480d45-12 480 45 650 1000 3vdc (32v allowed) 1 vdc 1000 1.6 volts 11 ma 100?530 1750 4,000v rms 0.67 0.9 575d15-12 575 15 150 1000 3vdc (32v allowed) 1 vdc 1200 3.2 volts 15 ma 100?600 90 4,000v rms 1.2 2.5 575d45-12 575 45 650 1000 3vdc (32v allowed) 1 vdc 1000 1.6 volts 15 ma 100?600 1750 4,000v rms 0.67 0.9 575di45-12 575 45 650 730 3vdc (32v allowed) 1 vdc 1000 1.6 volts 15 ma 100?600 1750 4,000v rms 0.67 0.9 note: jc* = thermal resistance from internal junction to base. maximum internal junction temperature is 110 c. ** operating frequency: 25 to 65 hz (operates at 400 hz with 6 times the offstate leakage) time second time*** (cycles) 10-amp peak amps 15-amp peak amps 25-amp peak amps 45-amp peak amps 0.017 1 110 150 250 650 0.050 3 85 140 175 420 0.100 6 70 110 140 320 0.200 12 60 90 112 245 0.500 30 50 70 80 175 1 60 40 55 67 134 2 120 33 49 53 119 3 180 32 47 49 98 4 240 31 43 47 95 5 300 30 40 45 91 10 600 28 35 42 84 note: ***60 h z mounted on a heat sink with 1 c/watt rating mounted on a heat sink with 2 c/watt rating
solid-state relays opto 22 ? 43044 business park drive ? temecula, ca 92590-3614 ? www.opto22.com sales 800-321-6786 ? 951-695-3000 ? fax 951-695-3095 ? sales@opto22.com ? support 800-835-6786 ? 951-695-3080 ? fax 951-695-3017 ? support@opto22.com ? 2006C2014 opto 22. all rights reserved. di mensions and specifications are subject to change. brand or pr oduct names used here in are trademarks or registered trademarks of their respective companies or organizations. solid-state relays data sheet form 0859-140606 page 7 480/575 volt (cont) dimensional drawings note: all dimensions are nominal. z series specifications ac power: 120/240 volt the z series employs a unique heat transfer system that makes it possible for opto 22 to delive r a low-cost, 10-amp, solid-state relay in an all-plastic case. the push-on tool-free quick-co nnect terminals make the z series ideal for high-volume oem applications. operating temperature is C40 c to 100 c. note: part number z240d10-17 is a replacement part only. its specifications are identical to z240d10. side view: part numbers dc60s3, 120d3, and 240d3 only side view: all other part numbers + 3-32vdc control z120d10 z240d10 nominal ac line voltage nominal 120 240 current rating (amps) 10 10 1 cycle surge (amps) peak 110 110 nominal signal input resistance (ohms) 1000 1000 signal pick-up voltage 3vdc (32v allowed) 3vdc (32v allowed) signal drop-out voltage 1 vdc 1 vdc peak repetitive voltage maximum 600 600 maximum output voltage drop 1.6 volts 1.6 volts off-state leakage (ma) maximum** 6 ma 12 ma operating voltage range (volts ac) 12?140 24?280 i 2 t rating t=8.3 (ms) 50 50 isolation voltage 4,000 v rms 4,000 v rms jc* (c/watt) dissipation (watts/amp) 4 4 notes: jc* = thermal resistance from internal j unction to base. maximum internal junc- tion temperature is 110c. ** operating frequency: 25?65 hz (operates at 400 hz with 6 times the offstate leakage)
solid-state relays opto 22 ? 43044 business park drive ? temecula, ca 92590-3614 ? www.opto22.com sales 800-321-6786 ? 951-695-3000 ? fax 951-695-3095 ? sales@opto22.com ? support 800-835-6786 ? 951-695-3080 ? fax 951-695-3017 ? support@opto22.com ? 2006C2014 opto 22. all rights reserved. dimensions and specificat ions are subject to change. brand or product names used here in are trademarks or registered trademarks of their respective companies or organizations. solid-state relays page 8 data sheet form 0859-140606 ac power: 120/240 volt (cont.) connection diagram current vs. ambient ratings surge current data mounted on a heat sink with 2 c/watt rating *control current varies with control voltage. see control current calculation on page 17 for information. dimensional drawings note: all dimensions are nominal.
solid-state relays opto 22 ? 43044 business park drive ? temecula, ca 92590-3614 ? www.opto22.com sales 800-321-6786 ? 951-695-3000 ? fax 951-695-3095 ? sales@opto22.com ? support 800-835-6786 ? 951-695-3080 ? fax 951-695-3017 ? support@opto22.com ? 2006C2014 opto 22. all rights reserved. di mensions and specifications are subject to change. brand or pr oduct names used here in are trademarks or registered trademarks of their respective companies or organizations. solid-state relays data sheet form 0859-140606 page 9 printed circuit series specifications ac power: mp and p series the mp series packaging is designed with a minimum footprint to allow maximum relay density on the printed circuit board. the p series power relays provide low-profile for 0.5-inch (12.7 mm) center mounting on printed circuit boards. operating temperature: C40 c to 100 c. connnection diagram mp120d2 or p120d2 mp120d4 or p120d4 mP240D2 or P240D2 mp240d4 or p240d4 mp380d4 nominal ac line voltage 120 120 240 240 380 nominal current rating amps 24244 1 cycle surge (amps) peak 20 85 20 85 85 nominal signal input resistance (ohms) 1000 1000 1000 1000 1000 signal pick-up voltage 3vdc*** (24v allowed) 3vdc*** (24v allowed) 3vdc*** (24v allowed) 3vdc*** (24v allowed) 3vdc*** (24v allowed) signal drop-out voltage 1 vdc 1 vdc 1 vdc 1 vdc 1 vdc peak repetitive voltage maximum 600 600 600 600 800 maximum output volt- age drop 1.6 volts 1.6 volts 1.6 volts 1.6 volts 1.6 volts off-state leakage ma maximum** 5 ma 5 ma 5 ma 5 ma 5 ma operating voltage range (volts ac) 12?140 12?140 24?280 24?280 24?420 i 2 t rating t=8.3 (ms) 2 30 2 30 30 isolation voltage 4,000 v rms 4,000 v rms 4,000 v rms 4,000 v rms 4,000 v rms jc* c/watt 20 6.5 20 6.5 6.5 dissipation watts/amp 1.2 1.2 1.2 1.2 1.2 rating (motor load) 1 fla at 120 vac 6 lra at 120 vac 2.5 fla at 240 vac 6 lra at 240 vac 1 fla at 120 vac 15 lra at 120 vac 2.5 fla at 240 vac 15 lra at 240 vac 2.5 fla at 380 vac 15 lra at 380 vac notes: jc* = thermal resistance from internal junction to bas e. maximum internal junction temperature is 110 c. ** operating frequency: 25 to 65 hz (operates at 400 hz with 6 times the offstate leakage) *** = p series 32 volts maximum. *control current varies with control voltage. see control current calculation on page 17 for information. note: part numbers ending in -17 are replacement parts only. their specifications are identical to the same part number without the -17. for example, p240d4-17 is identical to p240d4.
solid-state relays opto 22 ? 43044 business park drive ? temecula, ca 92590-3614 ? www.opto22.com sales 800-321-6786 ? 951-695-3000 ? fax 951-695-3095 ? sales@opto22.com ? support 800-835-6786 ? 951-695-3080 ? fax 951-695-3017 ? support@opto22.com ? 2006C2014 opto 22. all rights reserved. dimensions and specificat ions are subject to change. brand or product names used here in are trademarks or registered trademarks of their respective companies or organizations. solid-state relays page 10 data sheet form 0859-140606 ac power: mp and p series (cont.) thermal ratings dimensional drawings surge current data time (seconds) time* (cycles) 2-amp peak amps 4-amp peak amps 0.017 1 20 85 0.050 3 18 66 0.100 6 15 53 0.200 12 11 45 0.500 30 9 37 1608.5 31 2 120 8 28 3 180 7.5 27 4 240 7 26 5 300 6.5 25 10 600 6 24 note: *60 hz note: all dimensions are nominal. mounted on a heat sink with 2 c/watt rating
solid-state relays opto 22 ? 43044 business park drive ? temecula, ca 92590-3614 ? www.opto22.com sales 800-321-6786 ? 951-695-3000 ? fax 951-695-3095 ? sales@opto22.com ? support 800-835-6786 ? 951-695-3080 ? fax 951-695-3017 ? support@opto22.com ? 2006C2014 opto 22. all rights reserved. di mensions and specifications are subject to change. brand or pr oduct names used here in are trademarks or registered trademarks of their respective companies or organizations. solid-state relays data sheet form 0859-140606 page 11 dc switching series specifications model dc60mp basic schematic (also appl ies to the other ssrs on this page) note: when controlling an inductive load, lik e a solenoid or coil, a commutating diode must be used. install the commutating diode across the terminals of the load (not the ssr terminals). this will protect the ssr from damage caused by voltage spikes when turning off the load. dc60p or dc60mp dc200p or dc200mp dc60s-3 dc60s-5 operating voltage range 5?60 vdc 5?200 vdc 5?60 vdc 5?60 vdc forward voltage drop 1.5 volts at 3 amps 1.5 volts at 1 amp 1.5 volts at 3 amps 1.5 volts at 5 amps nominal currrent rating 3 amps 1 amp 3 amps 5 amps off-state blocking 60 vdc 250 vdc 60 vdc 60 vdc signal pickup voltage 3 vdc 32 volts* allowed 3 vdc 32 volts* allowed 3 vdc 32 volts allowed 3 vdc 32 volts allowed signal dropout voltage 1 vdc 1 vdc 1 vdc 1 vdc signal input impedance 1,000 ohms 1,000 ohms 1,000 ohms 1,000 ohms 1 second surge 5 amps 2 amps 5 amps 10 amps operating temp. range ?40 c to 100 c ?40 c to 100 c ?40 c to 100 c ?40 c to 100 c isolation voltage 4,000 v rms 4,000 v rms 4,000 v rms 4,000 v rms off-state leakage 1 ma maximum 1 ma maximum 1 ma maximum 1 ma maximum package type p/mp series p/mp series power series power series turn-on time 100 usec 100 usec 100 usec 100 usec turn-off time 750 usec 750 usec 750 usec 750 usec note: *mp series maximum allow ed control signal is 24 vdc. thermal ratings mounted on a heat sink with 2 c/watt rating *control current varies with control voltage. see control current calculation on page 17 for information.
solid-state relays opto 22 ? 43044 business park drive ? temecula, ca 92590-3614 ? www.opto22.com sales 800-321-6786 ? 951-695-3000 ? fax 951-695-3095 ? sales@opto22.com ? support 800-835-6786 ? 951-695-3080 ? fax 951-695-3017 ? support@opto22.com ? 2006C2014 opto 22. all rights reserved. dimensions and specificat ions are subject to change. brand or product names used here in are trademarks or registered trademarks of their respective companies or organizations. solid-state relays page 12 data sheet form 0859-140606 dimensional drawings note: all dimensions are nominal. side view: part numbers dc60s3, 120d3, and 240d3 only side view: all other part numbers (+) (+) (+) (+) (+) (+)
solid-state relays opto 22 ? 43044 business park drive ? temecula, ca 92590-3614 ? www.opto22.com sales 800-321-6786 ? 951-695-3000 ? fax 951-695-3095 ? sales@opto22.com ? support 800-835-6786 ? 951-695-3080 ? fax 951-695-3017 ? support@opto22.com ? 2006C2014 opto 22. all rights reserved. di mensions and specifications are subject to change. brand or pr oduct names used here in are trademarks or registered trademarks of their respective companies or organizations. solid-state relays data sheet form 0859-140606 page 13 hs series specifications the hs series features an integrated heatsink, which makes them ?so?cool.?because there is?less thermal resistance internal to t he unit?than in a standard ssr mounted to the same heat sink, heat dissipates more easily. the buil t-in heatsink means you don't have to select a heatsink, and installation is much easier. each hs-series ssr has built-in hardware for screw mounting and a b uilt- in din-rail adapter clip for mounting to a 35mm din rail. surge current data, peak amps model number 240d30-hs 480d25-hs 575d30-hs nominal ac line voltage 240 480 575 operating voltage range (volts ac) 24?280 100?530 100?600 peak repetitive voltage maximum 600 1000 1200 off-state leakage (ma) maximum** 5 ma 10 ma 12 ma nominal output voltage drop (rms) 1.0 volts 1.0 volts 1.0 volts nominal current rating (amps) 30 25 30 1 cycle surge (amps) peak 610 610 610 i 2 t rating t=8.3 (ms) 1550 1550 1550 isolation voltage (transient 4kv) 2,500v rms 2,500v rms 2,500v rms dissipation (nominal watts/amp) 1.0 1.0 1.0 signal pick-up voltage 4vdc (32v allowed) 4vdc (32v allowed) 4vdc (32v allowed) signal drop-out voltage 1 vdc 1 vdc 1 vdc nominal signal input resistance (ohms) 730 1000 1000 ja* (c/watt) 2.2 2.2 2.2 note: ja* = thermal resistance from internal j unction to ambient. maximum internal junction temperature is 110 c. ** operating frequency: 25 to 65 hz (operates at 400 hz with 6 times the offstate leakage) time second 60hz 50hz 0.0167 610 580 0.05 394 375 0.1 300 386 0.2 230 219 0.5 164 156 1 126 120 2 112 106 39287 48985 58581 10 79 75
solid-state relays opto 22 ? 43044 business park drive ? temecula, ca 92590-3614 ? www.opto22.com sales 800-321-6786 ? 951-695-3000 ? fax 951-695-3095 ? sales@opto22.com ? support 800-835-6786 ? 951-695-3080 ? fax 951-695-3017 ? support@opto22.com ? 2006C2014 opto 22. all rights reserved. dimensions and specificat ions are subject to change. brand or product names used here in are trademarks or registered trademarks of their respective companies or organizations. solid-state relays page 14 data sheet form 0859-140606 hs-series (cont.) thermal ratings a b a: single relay or with 0.75 spacing between rela ys. derate above 40 c; subtract 0.5 amp/c. b: three relays side by side with 0.25 spacing. all relays wi th the same load. derate abov e 40 c; subtract 0.4 amp/c. 30 25 20 15 10 5 30 40 50 60 70 80 90 100 20 ambient temperature (c) 30 amp models rms amperes 30 25 20 15 10 5 30 40 50 60 70 80 90 100 20 ambient temperature (c) 25 amp models rms amperes note: this data is for ssrs mounted to a horizontal surface. to take advantage of the cooling effect of natural air flow, we recommend mounting hs-series ssrs to a vertical surface with the opto 22 logo right side up as shown here. a b 3.21" (81.6 mm) 3.90" (99.1 mm) 3.50" (88.9 mm) 0.20" (5.1 mm) 1.25" (31.8 mm) 4.81" (122.2 mm) 1.75" (44.5 mm) 0.25" (6.4 mm) dimensional drawing
solid-state relays opto 22 ? 43044 business park drive ? temecula, ca 92590-3614 ? www.opto22.com sales 800-321-6786 ? 951-695-3000 ? fax 951-695-3095 ? sales@opto22.com ? support 800-835-6786 ? 951-695-3080 ? fax 951-695-3017 ? support@opto22.com ? 2006C2014 opto 22. all rights reserved. di mensions and specifications are subject to change. brand or pr oduct names used here in are trademarks or registered trademarks of their respective companies or organizations. solid-state relays data sheet form 0859-140606 page 15 applications: tips heat sink calculation like all semiconductor devices, ssr current ratings must be ba sed on maximum internal junction temperature. all opto 22 ssrs operate conservatively at maximum internal junction temperatur es of 110 c. use the equation below to calculate the maximum allowable heat sink thermal resistance for your application. it is good engineering practice to provide a margin for error inst ead of running the application right at the limits. if your application is near the thermal li mit, it can be helpful to add a fan to m ove air across the heat sink. important: thermally conductive grease must be used between the relay base and the heat sink. sample calculation 1 120-volt, 20-amp load; 50 c ambient air temperature model: 120d25 ssr. see the last two columns of the table on page 4 for thermal resistance and dissipation values for the 120d25. also, see the note at the bottom of the table. dissipation: 1.3 watts/amp thermal resistance: 1.2 c/watt maximum junction temperature: 110 c the calculation would be as follows: this calculation indicates that you should select a heat sink with a thermal resistance of less than 1.1 c/watt.
solid-state relays opto 22 ? 43044 business park drive ? temecula, ca 92590-3614 ? www.opto22.com sales 800-321-6786 ? 951-695-3000 ? fax 951-695-3095 ? sales@opto22.com ? support 800-835-6786 ? 951-695-3080 ? fax 951-695-3017 ? support@opto22.com ? 2006C2014 opto 22. all rights reserved. dimensions and specificat ions are subject to change. brand or product names used here in are trademarks or registered trademarks of their respective companies or organizations. solid-state relays page 16 data sheet form 0859-140606 sample calculation 2 240-volt,18-amp load, 25 c ambient air temperature model: 240d45 see the last two columns of the table on page 4 for thermal resistance and dissipation va lues for the 240d45. also, see the note at the bottom of the table. dissipation: 0.9 watts/amp thermal resistance: 0.67 c/watt maximum junction temperature: 110 c the calculation would be as follows: duty cycle calculation when solid-state relays are operated in an on/off mode, it may be advantageous to calculate the rms value of the current throug h the ssr for heat sinking or determining the proper current rating of the ssr for the given application. this calculation indicates that you should select a heat sink with a thermal resistance of less than 4.6 c/watt. i rms = rms value of load or ssr t 1 = time current is on t 2 = time current is off i on = rms value of load current during on period i rms = t 1 + t 2 (i on ) 2 x t 1
solid-state relays opto 22 ? 43044 business park drive ? temecula, ca 92590-3614 ? www.opto22.com sales 800-321-6786 ? 951-695-3000 ? fax 951-695-3095 ? sales@opto22.com ? support 800-835-6786 ? 951-695-3080 ? fax 951-695-3017 ? support@opto22.com ? 2006C2014 opto 22. all rights reserved. di mensions and specifications are subject to change. brand or pr oduct names used here in are trademarks or registered trademarks of their respective companies or organizations. solid-state relays data sheet form 0859-140606 page 17 transformer loads careful consideration should be given to the selection of the proper ssr for driving a given transformer. transformers are driven from positive saturation of the iron core to negative saturation of the core each half cycle of the alternating voltage. large inrush currents can occur during the first half cycle of line voltage if a zero-voltage ssr happens to turn on during the positive half cycle of voltage when the core is already in positive saturation. inrush currents greater than 10 times rated transformer current can easily occur. the following table provides a guide for selecting the proper ssr for a given transformer rating. solenoid valve and contactor loads all opto 22 ssrs are designed to drive inductive loads such as solenoid valves and electromechanical contactors. the built-in snubber in each ssr assures proper operation into inductive loads. the following table is a guide in selecting an ssr to drive a solenoid or contactor. control current calculation all opto 22 dc-controlled ssrs have a control circuit consisting of 1000 ohms in seri es with an optocoupler led. the led will drop 1 volt, so the voltage across the internal resistor will be 1 volt less than the control voltage. the control current (i c ) can be calculated from the control voltage (v c ) as follows: i c = (v c - 1)/1000 examples: 3 vdc control voltage: i c = (3 - 1)/1000 = 0.002 a (2 ma) 32 vdc control voltage: i c = (32 - 1)/1000 = 0.031 a (31 ma) for control voltages above 32 vdc, an external resistor can be added in series with the ssr to limit the control current. also, if the device driving the control current to the ssr is limited, you can limit the control current by using an external resistor (r e ). i c = (v c - 1)/ (r e + 1000) r e = [(v c - 1)/(i c )] -1000 to limit the control current to 2 ma, this simplifies to: r e = 500 (v c - 3) 120-volt coils ssr current rating solenoid contactor 2-amp 1-amp nema size 4 4- amp 3-amp nema size 7 240-volt coils ssr current rating solenoid contactor 2-amp 1-amp nema size 7 4- amp 3-amp nema size 7
solid-state relays opto 22 ? 43044 business park drive ? temecula, ca 92590-3614 ? www.opto22.com sales 800-321-6786 ? 951-695-3000 ? fax 951-695-3095 ? sales@opto22.com ? support 800-835-6786 ? 951-695-3080 ? fax 951-695-3017 ? support@opto22.com ? 2006C2014 opto 22. all rights reserved. dimensions and specificat ions are subject to change. brand or product names used here in are trademarks or registered trademarks of their respective companies or organizations. solid-state relays page 18 data sheet form 0859-140606 opto 22 ssrs for controlling single-phase motors are shown in the following tables: solid-state relays in series in applications requiring higher voltage, two opto 22 ssrs may be operated in series for double the voltage rating. the built-in snubber in each ssr assures proper voltage sharing of the two ssrs in series. in the following diagram, two 240-volt, 45-amp ssrs are connected in series for operation on a 480- volt line. the control is shown with a parallel hook-up but it should be noted that a serial connection can also be implemented. lamp loads since all opto 22 ac output ssrs use zero-voltage turn-on, they are ideal for driving incandesce nt lamps, because the initial inrush current into a cold filame nt is reduced. the life of the lamp is increased when switched by a zero-voltage turn-on ssr. the following table is a guide to selecting an opto 22 ssr for switching a given incandescent lamp. 120-volt single-phase non-reversing motors ssr model motor rating p or mp120d2 1 amp z120d10 1/4 hp 120d3 1-1/2 amp p or mp120d4 1-1/2 amp 120d10 or 120a10 1/4 hp 120d25 or 120a25 1/3 hp 120d45 3/4 hp 240-volt single phase non-reversing motors ssr model motor rating p or mP240D2 1 amp z240d10 1/4 hp 240d3 1-1/2 amp p or mp240d4 1-1/2 amp 240d10 or 240a10 1/3 hp 240d25 or 120a25 1/2 hp 240d45 1-1/2 hp 120-volt single-phase reversing motors ssr model motor rating p or mP240D2 1 amp z240d10 1/4 hp 240d3 1-1/2 amp p or mp240d4 1-1/2 amp 240d10 or 240a10 1/4 hp 240d25 or 120a25 1/3 hp 240d45 3/4 hp 240-volt single-phase reversing motors ssr model motor rating 480d10-12 1/4 hp 480d15-12 1/4 hp 120 volt lamps ssr current rating lamp rating 2-amp 100 watt 4-amp 400 watt 10-amp 1 kilowatt 25-am p 2 ki low att 45-amp 3 kilowatt 240 volt rating ssr current rating lamp rating 2-amp 200 watt 4-amp 800 watt 10-amp 2 kilowatt 25-am p 4 ki low att 45-amp 6 kilowatt
solid-state relays opto 22 ? 43044 business park drive ? temecula, ca 92590-3614 ? www.opto22.com sales 800-321-6786 ? 951-695-3000 ? fax 951-695-3095 ? sales@opto22.com ? support 800-835-6786 ? 951-695-3080 ? fax 951-695-3017 ? support@opto22.com ? 2006C2014 opto 22. all rights reserved. di mensions and specifications are subject to change. brand or pr oduct names used here in are trademarks or registered trademarks of their respective companies or organizations. solid-state relays data sheet form 0859-140606 page 19 heater loads care should be taken in selecting a ssr for driving a heater load if the load is cycled on and off in a continuous manner as might occur in a temperature control application. constant cycling can cause thermal fatigue in the thyristor chip at the point where the chip bonds to the lead frame. opto 22 employs a thick copper lead fr ame for mounting the scr chips in the power series ssrs to eliminate thermal fatigue failures. in addition, opto 22 recommends operating any ssr at 75% rated current for cycling heater loads to ensure complete reliability. the following table is a guide to selecting the proper ssr for a given heater load. single-phase reversing motor control the circuit diagram below illustrates a typical 1 ? motor winding inductance and the phase shift capacitor can cause twice-line voltage to appear across the open ssr. a 240-volt ssr should be used for a 120-vol t line. during the transition period when one ssr is turned on and the other ssr is going off, both ssrs may be on. in this case, the capacitor may discharge through the two ssrs, causing large currents to flow, which may destroy the ssrs. the addition of rl as shown will protect the ssrs from the sh ort circuit capacitor discharge current. single-phase reversing motor control (cont.) the resistors are unnecessary if the control circuit is designed to ensure that one ssr is off before the other ssr is on. three-phase motor control three-phase motors may be contro lled by solid-state relays as shown. a third ssr as shown is optional, but not necessary. the control windings may be connected in series or parallel. care should be taken to ensure that the surge current drawn by the motor does not exceed th e surge current rating of the ssr. no min al ssr current rating maximum recommended heater current 2-amp 1?-amp 4-amp 2?-amp 10-amp 7?-amp 25-amp 18-amp 45-amp 35-amp 10 4 80v 8- am p 10 4 80v 8- am p 240 volt three-phase motor ssr model motor z240d10 3/4 hp 240d10 3/4 hp 240a10 3/4 hp 240d25 2 hp 240a25 2 hp 240d45 3 hp
solid-state relays opto 22 ? 43044 business park drive ? temecula, ca 92590-3614 ? www.opto22.com sales 800-321-6786 ? 951-695-3000 ? fax 951-695-3095 ? sales@opto22.com ? support 800-835-6786 ? 951-695-3080 ? fax 951-695-3017 ? support@opto22.com ? 2006C2014 opto 22. all rights reserved. dimensions and specificat ions are subject to change. brand or product names used here in are trademarks or registered trademarks of their respective companies or organizations. solid-state relays page 20 data sheet form 0859-140606 three-phase reversing motor control three-phase reversing motor control can be implemented with four ssrs as shown in the connection diagram. the ssrs work in pairs with ssr1 and ssr3 operated for rotation in one direction and ssr2 and ssr4 operated for rotation in the reverse direction. the resistor r1 as shown in the connection diagram protects against line-to-line shorts if ssr1 and ssr4 or ssr3 and ssr2 are on at the same time during the reversing transition period. use the following table as a guide to the proper selection of an ssr for this application. faq: ssr applications q : what is a solid-state relay? a: a solid-state relay (ssr) is a semiconductor device that can be used in place of a mechanical relay to switch electricity to a load in many applications. solid-state relays are purely electronic, normally composed of a low current control side (equivalent to the coil on an electromechanical relay) and a high-current load side (equivalent to the contact on a conventional relay). ssrs typica lly also feature electrical isolation to several thousand volts between the control and load sides. because of this isolation, the load side of the relay is actually powered by the switched line; both line voltage and a load (not to mention a control signal) must be present for the relay to operate. q : what are the advantages of using an ssr over a mechanical relay? a: there are many applications that require a moderate amount of power (w to kw) to be switched on and off fairly rapidly. a good example would be the operation of a heater element in a controlled-tempe rature system. typically, the amount of heat put into the system is regulated using pulse- width modulation turning a fixed-power heating element on and off for time periods ranging from seconds to minutes. mechanical relays have a finite cycle life, as their components tend to wear out over thousands to millions of cycles. ssrs do not have this problem; in the proper application, they could be operated almost infinitely. q : what are the limitations of using an ssr? a: ssrs have a few limitati ons when compared to the capabilities of their mechanical counterparts. first, because the relay is semiconductor-based, it will never turn all the way on, nor off. this means that in the on state, the relay still has some internal resistance to the flow of electricity, causing it to get hot. when in the off state, the relay will exhibit a small amount of leakage current, typically a few ma. this leakage can conspire to keep some loads, especially ones with a high impedance, from turning off! additionally, ssrs are more sensitive to voltage transients; while opto 22 relays are very well transient-protected, if a relay gets hit hard enough a sufficient number of times, it will die or degrade. this makes ssrs less ideal for driving highly inductive electromechanical loads, such as some solenoid s or motors. ssrs should also never be used for applications such as safety power disconnects, because even in the off state, leakage current is present. leakage current through an ssr also implies the presence of a potentially high voltage. even though the relay is not conducting a large amount of current, the switched terminal will still be hot, and thus dangerous. 480 volt three-phase motors ssr model motor 480d10-12 1-? hp 480d15-12 1-? hp opto 22 relay motor full load rating resistor for 120v line resistor for 240v line 3-amp 1.25-amp 4 ohm 50 w 8 ohm 50 w 10-amp 5-amp 1 ohm 100 w 2 ohm 100 w 25-amp 8-amp .5 ohm 100 w 1 ohm 100 w 45- am p 16-amp .25 ohm 150 w .5 ohm 150 w 15-amp 5-amp 1 ohm 100 w 2 ohm 100 w
solid-state relays opto 22 ? 43044 business park drive ? temecula, ca 92590-3614 ? www.opto22.com sales 800-321-6786 ? 951-695-3000 ? fax 951-695-3095 ? sales@opto22.com ? support 800-835-6786 ? 951-695-3080 ? fax 951-695-3017 ? support@opto22.com ? 2006C2014 opto 22. all rights reserved. di mensions and specifications are subject to change. brand or pr oduct names used here in are trademarks or registered trademarks of their respective companies or organizations. solid-state relays data sheet form 0859-140606 page 21 q : do you make multi-pole or multi-throw ssrs? a: opto 22 manufactures only si ngle-pole, single-throw ssrs. if multi-phase operation is required, just use a relay on each phase. because of the limitations on semiconductor devices of the type used in ssrs, it is not practical to build single-device multi-throw ssrs. however, an alternative to multi-throw operation may be accomplished with multiple relays. q : can i hook up ssrs in parallel to achieve a higher current rating? a: no. there is no way to guarantee that two or more relays will turn on simultaneously when operated in parallel. each relay requires a minimum voltage across the output terminals to function; because of the optical isolation feature, the contact part of the ssr is actually powered by the line it switches. one relay turning on before the other will cause the second relay to lose its turn-on voltage, and it wont ever turn on, or at least not until the firs t relay fails from carrying too much current. q : what does a zero-crossing turn-on circuit refer to? a: an ac sine wave will be posi tive for the first half of each cycle and negative for the second half of each cycle. the voltage will cross through zero when the sine wave changes from the positive half-cycle to the negative half-cycle, and vice versa. so the voltage crosses through zero twice with each full ac sine wave cycle. zero-crossing turn-on means that the ssr will only turn on when the ac sine wave passes through zero voltage. the actual turn-on will occur at or near zero voltage. all opto 22 ac output solid-state relays are designed with a zero-crossing turn-on circuit. zero-voltage turn-on has the benefit of minimizing electrical noise. all opto 22 ac output solid-state relays use a zero-current turn-off circuit as well. q : can i use an ac ssr to switch dc? a: no. because of the zero-crossing circuit described above, the relay will most likely never turn on, and even if it is on, it will most likely not be able to be turned off. q : can i use a dc ssr to switch ac? a: no. the semiconductor device used in opto 22s dc ssrs is polarized. it may break down and conduct for the portion of the waveform that is reversed in polarity. q : can a dc ssr be used to switch an analog signal? a: this is not recommended at all. first, the voltage drop across the relay will cause signal loss. second, the conduction characteristics of the ssr are very non-linear at low operating voltages and currents. use a mechanical relay; it will work much better. q : what agency approvals do your ssrs carry? a: in general, opto 22 relays carry ul, csa, and ce approval. see http://support.opto22.com. additionally, some ssrs contain vde-approved optoco uplers; contact opto 22 for more information. faq: ssr troubleshooting q : my ssr does not function anymore. what may have happened? a: there is no normal mode of failure for ssrs. they just stop working, by refusing to turn on or off. an improper installation is often to blame for an ssr failure, as these are very simple, reliable devices. if you have a failed ssr, it is important to look at the normal operating parameters of that relay within the larger system to make sure that the relay being used is appropriate to the application, and that the relay is being properly installed in the system. the three most common causes of ssr failure are as follows: ? ssr improperly matched to load. the relay was destroyed by overheating from carrying too much current too long. ? ssr insufficiently protected. remember, a semiconductor is less tough than a simple metal contact. reverse voltages exceeding the prv rating of the relay will cause damage. voltage spikes on the switched line, perhaps from inductive kickback, may have destroyed one or more of the internal switching devices. remember to use snubbers, transorbs, movs, and/or commutating diodes on highly inductive loads. ? ssr improperly installed. the ssr was not mounted to a large enough heat sink, or no thermal compound was used, causing the relay to overheat. also, insufficient tightening of the load terminals can cause arcing and ohmic heating of the relay. opto 22 recommends 18 inch-pounds of torque on the load screw terminals. similar failures have also b een attributed to the use of crimp-on terminal lugs or spades; make sure such terminals are tightly crimped, and even drip some solder into the joint to ensure go od electrical contact and protection from corrosion. q : how can i test my ssr? a: it is not possible to test an ssr by the same methods used to test mechanical relays; a typical ssr will always show an infinite impedance to a resistance meter placed across the output terminals. there are a few reasons for this. first, the ssr
solid-state relays opto 22 ? 43044 business park drive ? temecula, ca 92590-3614 ? www.opto22.com sales 800-321-6786 ? 951-695-3000 ? fax 951-695-3095 ? sales@opto22.com ? support 800-835-6786 ? 951-695-3080 ? fax 951-695-3017 ? support@opto22.com ? 2006C2014 opto 22. all rights reserved. dimensions and specificat ions are subject to change. brand or product names used here in are trademarks or registered trademarks of their respective companies or organizations. solid-state relays page 22 data sheet form 0859-140606 requires a small amount of power to operate, derived from whatever voltage source is placed on the load terminals. a typical multimeter will not supp ly sufficient voltage to cause the relay to change state. second, ac ssrs contain zero- voltage turn-on and zero-current turn-off circuits. the ssr will not be able to turn on unless there is ac voltage connected to the output terminals. most test equipment will supply a dc voltage to the relay, so it will never see the zero-voltage transition it requires to turn on. to test an ssr, it is best to operate it at the actual line volt age it will be used at, driving a load such as a large light bulb. q : i have an ssr driving a load. the load turns on okay, but never seems to turn off, unless i remove power from the relay entirely. what might be hap- pening? a: this is normally a problem when using an ssr with a high- impedance load, such as a neon lamp or a small solenoid. loads like these often have relatively large initial currents, but relatively small hold in currents. the result is that the off-state leakage current through the relay (see previous section) is insufficient to cause the load to turn on to start with, but sufficient to keep it on, once started. the solution is to place a power resistor, sized for 8C10 times the rated maximum leakage current for the ssr in parallel with the load. make sure that this resistor has a high enough power rating for the application. for example, for a 5 ma leakage current at 120 vac, a resistor drawing 50 ma would be desirable. using ohms law, the resistor value becomes 2,400 ohms. this resistor will dissipate 6 watts, so a 7.5 or 10-watt size power resistor should be used. q : i have a new ac ssr driving a solenoid. it turns on okay once, but will not turn on again. what is going on? a: some solenoids, some type s of halogen lights, and some types of strobe lights incorporate a diode in series with the coil or filament. this causes the light to behave as a half-wave rectifier. opto 22 ssrs have a built-in r-c snubber circuit in parallel with the output. the capa citor in this circuit charges up but cannot discharge through the series diode, causing a voltage to appear across the ssr terminals. because the ssr must detect the ac waveform cross through zero volts on the load terminals, it will not be able to turn on again. the solution here would be to put a high-value resistor (several tens of kohms) across the terminals of the relay, to allow the capacitor to drain its charge.
more about opto 22 www.opto22.com ? opto 22 ? 43044 business park drive ? temecula, ca 92590-3614 ? form 1335-131203 sales 800-321-6786 ? 951-695-3000 ? fax 951-695-3095 ? sales@opto22.com ? support 800-835-6786 ? 951-695-3080 ? fax 951-695-301 7 ? support@opto22.com ? 2014 opto 22. all rights reserved. dimensions and specifications are subject to change. brand or product names used herein ar e trademarks or registered trademarks of their respective compan ies or organizations. products opto 22 develops and manufactures reliable, flexible, easy-to-use hardware and software products for industrial automation, energy management, remote monitoring, and data acquisition applications. groov groov puts your system on your mobile device. with zero programming, you can build mobile operator interfaces to monitor and control systems from allen-bradley, siemens, schneider electric, modicon, and many more. web-based groov puts mobile-ready gadgets at your fingertips. tag them from your existing tag database, and they automatically scale for use on any device with a modern web browser. see groov.com for more information and your free trial. snap pac system designed to simplify the typically complex process of selecting and applying an automation system, the snap pac system consists of four integrated components: ? snap pac controllers ? pac project ? software suite ? snap pac brains ? snap i/o ? snap pac controllers programmable automation controllers (pacs) are multifunctional, modular controllers based on open standards. opto 22 has been manufacturing pacs for over two decades. the standalone snap pac s-series, the rack-mounted snap pac r- series, and the software-based so ftpac? all handle a wide range of digital, analog, and serial functions for data collection, remote monitoring, process control, and discrete and hybrid manufacturing. snap pacs are based on open ethernet and internet protocol (ip) standards, so you can build or extend a system easily, without the expense and limitations of proprietary networks and protocols. wired+wireless? models are also available. pac project software suite opto 22s pac project software suit e provides full-featured, cost- effective control programming, hmi (human machine interface) development and runtime, opc server, and database connectivity software for your snap pac system. control programming includes both easy-to-learn flowcharts and optional scripting. commands are in plain english; variables and i/ o point names are fully descriptive. pac project basic offers control and hmi tools and is free for download on our website, www.opto22.com . pac project professional, available for separate purchase, adds one softpac, optoopcserver, optodatalink, options for controller redundancy or segmented networking, and supp ort for legacy opto 22 serial mistic ? i/o units. snap pac brains while snap pac controllers provide central control and data distribution, snap pac brains provide distributed intelligence for i/o processing and communications. brains offer analog, digital, and serial functions, including thermocouple linearization; pid loop control; and optional high-speed digital counting (up to 20 khz), quadrature counting, tpo, and pulse generation and measurement. snap i/o i/o provides the local connection to sensors and equipment. opto 22 snap i/o offers 1 to 32 points of reliable i/o per module, depending on the type of module and your needs. analog, digital, and serial modules are all mixed on the same mounting rack and controlled by the same processor (snap pac brain or rack-mounted controller). quality founded in 1974, opto 22 has established a worldwide reputation for high-quality products. all are made in the u.s.a. at our manufacturing facility in temecula, california. because we test each product twice before it leaves our factory, rather than only testing a sample of each batch, we can guarantee most solid-state relays and optically isolated i/o modules for life. free product support opto 22s california-based product support group offers free, comprehensive technical support for opto 22 products. our staff of support engineers represents decades of training and experience. support is available in english and spanish by phone or email, mondayCfriday, 7 a.m. to 5 p.m. pst. additional support is always available on our website: how-to videos, optoknowledgebase, self-t raining guide, troubleshooting and users guides, and optoforums. in addition, hands-on training is available for free at our temecula, california headquarters, and you can register online . purchasing opto 22 products opto 22 products are sold directly and through a worldwide network of distributors, partners, and system integrators. for more information, contact opto 22 headquarters at 800-321- 6786 or 951-695-3000, or visit our website at www.opto22.com . www.opto22.com

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