1224 dimensions are shown for reference purposes only. dimensions are in inches over (millimeters) unless otherwise specified. specifications and availability subject to change. p&b catalog 1308242 issued 3-03 www.tycoelectronics.com technical support: refer to inside back cover. initial dielectric strength between open contacts: 500v rms, 60 hz. between all other conductors: 500v rms, 60 hz. ck series mid-priced cmos ic time delay relay choice of timing modes ?delay on operate ?delay on release ?delay on dropout (no input required during timing) ?interval on knob or resistor adjustable types 10a output relay with dpdt contacts various models time from 0.1 to 180 sec. file e22575 file lr15734 contact data @ 25 c arrangements: 2 form c (dpdt). material: silver-cadmium oxide alloy. rating: 10a @ 30vdc or 277vac, resistive; 1/2 hp @ 250vac; 1/3 hp @ 120vac. expected mechanical life: 10 million operations. expected electrical life: 100,000 operations, min., at rated load. input data @ 25 c voltage: 24 & 120vac and 12 & 24vdc. power requirement: ac types: typically less than 3 va. dc types: typically less than 3 w. initiate time: delay on dropout timers must have input voltage applied for a minimum of three seconds for dropout function to be guaranteed. transient protection: yes. reverse voltage protection: yes. environmental data temperature range: storage: -55 c to +85 c. operating: -10 c to +55 c. mechanical data termination: 8- or 11-pin octal style plug. enclosure: white plastic case. knob adjustable types have dial scale for reference only. sockets: models with 8-pin base fit either 27e122 or 27e891 (snap-on) screw terminal sockets. 11-pin types fit either 27e123 or 27e892 (snap-on) screw terminal sockets. weight: 6 oz. (170g) approximately. timing modes delay on operate ?delay period begins when input voltage is applied. at the end of the delay period, the relay will operate and will not release until input voltage is removed. reset occurs when input voltage is reapplied. delay on release ?input voltage must be applied continuously to operate the internal relay. when the control switch is closed, the relay energizes. when the control switch is opened, timing begins. when timing is complete, the relay will de-energize. time may be reset to zero during timing by closing the control switch. delay on dropout ?the relay operates immediately upon application of input voltage. timing begins when input voltage is removed. when timing is complete, the relay will de-energize. reset occurs when input voltage is reapplied. interval on (with control switch) ?input voltage must be applied continuously to operate the internal relay. the relay energizes and timing begins when the external switch is closed. at the end of the time delay period the relay will de-energize. reset is accomplished by opening and reclosing the control switch. timing specifications timing ranges: from 0.1 to 180 sec. timing adjustment: external resistor and knob adjustable. tolerance (for ac units add 1/2 cycle 60 hz.): knob adj. types: ?, +20% of max. specified at high end of timing range; min. specified, or less, at low end. fixed types: 5%. res. adj. types: 5% at high end of timing range; min. specified, or less, at low end. delta time (for ac units add 1 cycle 60 hz.): 10%. repeatability (for ac units add 1 cycle 60 hz.): 2%. release time: 60 ms, typ.; 100 ms, max. recycle time: 60 ms, typ.; 100 ms, max. input voltages & limits @ 25 c time input voltage on off n.o. relay contacts on off control switch on off on off n.o. relay contacts time time time input voltage on off n.o. relay contacts on off control switch on off on off n.o. relay contacts ? ? ? ? ? ? ? ? voltage nominal minimum maximum type voltage voltage voltage ac 24 20 28 120 105 130 dc 12 11 13 24 20 32 note: dc voltage must be filtered (5% p-p ripple max. at nom. voltage). ac models will operate on 50 or 60 hz. users should thoroughly review the technical data before selecting a product part number. it is recommended that user also seek out the pertinent approvals files of the agencies/laboratories and review them to ensure the product meets the requirements for a given application.
1225 dimensions are shown for reference purposes only. dimensions are in inches over (millimeters) unless otherwise specified. specifications and availability subject to change. www.tycoelectronics.com technical support: refer to inside back cover. p&b catalog 1308242 issued 3-03 wiring diagrams ?bottom views (pins numbered clockwise from keyway) * if control switch is closed when power is applied, relay will immediately energize. a 50 millisecond minimum switch closure is required. important: a dry circuit switch is recommended. a dry circuit switch is one rated to reliably switch currents of less than 50ma. use of a switch rated for other than dry circuit may resul t in failure of the time delay relay to function properly. ** note: input polarity for dc operation. for most reliable operation on ac, connect high side to + and low side to . ordering information ?authorized distributors are more likely to stock boldface items listed below. outline dimensions external resistor chart see external resistor selection charts at beginning of time delay relay section of this databook. delay on operate models voltage time adjustment wiring dia. part number 24vac 0.1 to 10 sec. knob 1 ckb-38-30010 0.1 to 10 sec. ckb-38-70010 120vac 0.6 to 60 sec. knob 1 ckb-38-70060 1.2 to 120 sec. ckb-38-70120 1.8 to 180 sec. ckb-38-70180 120vac 0.1 to 10 sec. resistor 2 CKF-38-70010 12vdc 0.1 to 10 sec. knob 1 ckd-38-20010 delay on release models voltage time adjustment wiring dia. part number 0.1 to 10 sec. ckb-38-78010 120vac 0.6 to 60 sec. knob 3 ckb-38-78060 1.8 to 180 sec. ckb-38-78180 120vac 0.1 to 10 sec. resistor 4 ckf-38-78010 24vdc 0.1 to 10 sec. resistor 4 ckh-38-38010 delay on dropout models voltage time adjustment wiring dia. part number 24vac 0.1 to 10 sec. knob 1 ckb-38-37010 0.6 to 60 sec. ckb-38-37060 0.1 to 10 sec. ckb-38-77010 120vac 0.6 to 60 sec. knob 1 ckb-38-77060 1.2 to 120 sec. ckb-38-77120 interval on models voltage time adjustment wiring dia. part number 120vac 0.1 to 10 sec. knob 3 ckb-38-79010 .60 (15.2) .56 (14.2) 2.937 max. (74.6) 2.406 max. (61.1) 1.781 max. (45.2) ? ? ? ? ? ? ? ? + _ input (dc polarity indicated)** fig.1 8 pin external resistor input (dc polarity indicated)** fig. 2 11 pin + _ continuous supply input (dc polarity indicated)** external control switch* fig. 3 11 pin + _ continuous supply input (dc polarity indicated)** external control switch* fig. 4 11 pin external resistor + _ ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
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