sfs ordering information slim compact safety relay sf relays slim type rohs directive compatibility information http://www.mew.co.jp/ac/e/environment/ features 1. forcibly guided contact structure (en50205 classa t?v recognized) 2. slim pro?e (mm inch ) compact size with slim pro?e relay reduces substrate size. [4-poles type] 40 (l) 13 (w) 24 (h) 1.575 (l) .512 (w) .945 (h) [6-poles type] 50 (l) 13 (w) 24 (h) 1.969 (l) .512 (w) .945 (h) 3. built-in led indication type av ailable built-in led eliminates need for design and mounting of separate led circuit. this cuts costs and saves labor. 4. fast response time is achieved (8 ms or less). circuit is quickly opened to ensure safety. 5. high shock resistance (functional: min. 200m/s 2 ) improved anti-shock properties meaning that the relay can be safely used in high shock and vibration environments such as in machine tools and other factory equipment. 6. pc board sockets also available (4 and 6-pole) 7. lineup also includes din terminal socket with ?ger protect construction. (4 and 6-pole) typical applications 1. machine tools 2. robots 3. safety plcs 4. circuits with stringent safety standard requirements such as those in motor vehicle production equipment. s: slim type sf s operation indication nil: l: without led indication with led indication contact arrangement 2: 2 form a 2 form b 3: 3 form a 1 form b 4: 4 form a 2 form b 5: 5 form a 1 form b 6: 3 form a 3 form b coil voltage dc 12, 24, 48v note: please inquire about other coil voltages. all rights rese r v ed c o p y r i gh t matsushita elect r ic w o r k s , ltd.
sfs types 1. relay standard packing: carton: 50 pcs.; case: 200 pcs. 2. accessories standard packing: carton: 10 pcs.; case: 100 pcs. rating 1. coil data contact arrangement nominal voltage without led indication with led indication part no. part no. 4-poles 2 form a 2 form b 12 v dc SFS2-DC12V sfs2-l-dc12v 24 v dc sfs2-dc24v sfs2-l-dc24v 48 v dc sfs2-dc48v sfs2-l-dc48v 3 form a 1 form b 12 v dc sfs3-dc12v sfs3-l-dc12v 24 v dc sfs3-dc24v sfs3-l-dc24v 48 v dc sfs3-dc48v sfs3-l-dc48v 6-poles 4 form a 2 form b 12 v dc sfs4-dc12v sfs4-l-dc12v 24 v dc sfs4-dc24v sfs4-l-dc24v 48 v dc sfs4-dc48v sfs4-l-dc48v 5 form a 1 form b 12 v dc sfs5-dc12v sfs5-l-dc12v 24 v dc sfs5-dc24v sfs5-l-dc24v 48 v dc sfs5-dc48v sfs5-l-dc48v 3 form a 3 form b 12 v dc sfs6-dc12v sfs6-l-dc12v 24 v dc sfs6-dc24v sfs6-l-dc24v 48 v dc sfs6-dc48v sfs6-l-dc48v t ype no. of poles part no. pc board sockets 4-pole sfs4-ps 6-pole sfs6-ps din terminal socket 4-pole sfs4-sfd 6-pole sfs6-sfd contact arrangement nominal voltage pick-up voltage (at 20 c 68 f ) drop-out voltage (at 20 c 68 f ) nominal operating current [ 10%] (at 20 c 68 f ) coil resistance [ 10%] (at 20 c 68 f ) nominal operating power (at 20 c 68 f ) max. allowable voltage (at 20 c 68 f ) 4-poles 2 form a 2 form b 12v dc 75%v or less of nominal voltage (initial) 10%v or more of nominal voltage (initial) 30ma 400 ? approx. 360mw 110%v of nominal voltage 24v dc 15ma 1,600 ? 48v dc 7.5ma 6,400 ? 3 form a 1 form b 12v dc 30ma 400 ? 24v dc 15ma 1,600 ? 48v dc 7.5ma 6,400 ? 6-poles 4 form a 2 form b 12v dc 41.7ma 288 ? approx. 500mw 24v dc 20.8ma 1,152 ? 48v dc 10.4ma 4,608 ? 5 form a 1 form b 12v dc 41.7ma 288 ? 24v dc 20.8ma 1,152 ? 48v dc 10.4ma 4,608 ? 3 form a 3 form b 12v dc 41.7ma 288 ? 24v dc 20.8ma 1,152 ? 48v dc 10.4ma 4,608 ? all rights rese r v ed c o p y r i gh t matsushita elect r ic w o r k s , ltd.
sfs 2. speci?ations (relay) notes: *1 this value can change due to the switching frequency, environmental conditions, and desired reliability level, therefore it is recommended to check this with the actual load. *2 response time is the time after the coil voltage turns off until the time when ? contact turns off. *3 the upper operation ambient temperature limit is the maximum temperature that can satisfy the coil temperature rise value. re f er to 6. conditions f or ope r ation, t r anspo r t and sto r age mentioned in ambient envi r onment. 3. speci?ations (pc board sockets/din terminal socket) characteristics item speci?ations 4-pole 6-pole contact contact arrangement 2 form a 2 form b 3 form a 1 form b 4 form a 2 form b 5 form a 1 form b 3 form a 3 form b initial contact resistance, max max. 100 m ? (by voltage drop 6 v dc 1a) contact material au ?shed agsno 2 type rating nominal switching capacity (resistive load) 6a 250v ac, 6a 30v dc max. switching power (resistive load) 1,500va, 180w max. switching voltage 250v ac, 30v dc max. switching current 6 a (reduce by 0.1 a/ c for temperatures 70 to 85 c.) min. switching capacity (reference value)* 1 1ma 5v dc nominal operating power 360mw 500mw electrical characteristics insulation resistance (initial) min. 1,000m ? (at 500v dc) measurement at same location as ?nitial breakdown voltage section. breakdown voltage (initial) between open contacts 1,500 vrms for 1 min. (detection current: 10ma.) between contact sets 2,500 vrms for 1 min. (detection current: 10ma.); 7-8/9-10 between open contacts 2,500 vrms for 1 min. (detection current: 10ma.); 7-8/11-12 between open contacts 9-10/13-14 between open contacts 11-12/13-14 between open contacts 4,000 vrms for 1 min. (detection current: 10ma.); 3-4/5-6 between open contacts 3-4/7-8 between open contacts 5-6/9-10 between open contacts 4,000 vrms for 1 min. (detection current: 10ma.); 3-4/5-6 between open contacts 3-4/7-8 between open contacts 5-6/9-10 between open contacts 7-8/9-10 between open contacts between contact and coil 4,000 vrms for 1min (detection current: 10ma.) operate time (at 20 c 68 f ) max. 20ms (nominal voltage applied to the coil, excluding contact bounce time.) response time (at 20 c 68 f )* 2 max. 8ms (nominal voltage applied to the coil, excluding contact bounce time.) (without diode) release time (at 20 c 68 f ) max. 20ms (nominal voltage applied to the coil, excluding contact bounce time.) (without diode) mechanical characteristics shock resistance functional min. 200 m/s 2 (half-wave pulse of sine wave: 11 ms; detection time: 10 s.) destructive min. 1,000 m/s 2 (half-wave pulse of sine wave: 6 ms.) vibration resistance functional 10 to 55 hz at double amplitude of 1.5 mm (detection time: 10 s.) destructive 10 to 55 hz at double amplitude of 1.5 mm expected life mechanical min. 10 7 (at 180 cpm) electrical 250 v ac 6 a resistive load: min. 10 5 (at 20 cpm) 30 v dc 6 a resistive load: min. 10 5 (at 20 cpm) 250 v ac 1 a resistive load: min. 5 10 5 (at 30 cpm) 30 v dc 1 a resistive load: min. 5 10 5 (at 30 cpm) [ac 15] 240 v ac 2 a inductive load: min. 10 5 (at 20 cpm, cos ? = 0.3) [dc 13] 24 v dc 1 a inductive load: min. 10 5 (at 20 cpm, l/r = 48 ms) conditions conditions for operation, transport and storage* 3 ambient temperature: ?0 c to +85 c ?0 f to +185 f humidity: 5 to 85% r.h. (not freezing and condensing at low temperature) max. operating speed 20 cpm (at max. rating) unit weight approx. 20 g .71 oz approx. 23 g .81 oz item speci?ations max. carrying current 6 a (reduce by 0.1 a/ c for temperatures 70 to 85 c.) initial breakdown voltage between each terminal: 2,500 vrms for 1 min. (detection current: 10ma) initial insulation resistance min. 1,000m ? (at 500v dc) measurement at same location as ?nitial breakdown voltage section. all rights rese r v ed c o p y r i gh t matsushita elect r ic w o r k s , ltd.
sfs reference data other contact gaps when contacts are welded 1. operate/response/release time tested sample: sfs4-dc24v (4 form a/2 form b), 20pcs. (a contacts: 80, b contacts: 40) 2. coil temperature rise tested sample: sfs4-dc24v (4 form a/2 form b), 3pcs. measured portion: inside the coil ambient temperature: room temperature (27 c 80.6 f ), 70 c 158 f , 85 c 185 f 3. malfunctional shock tested sample: sfs4-dc24v (4 form a/2 form b), 3pcs. no. of contacts 1 023456 789 10 11 12 13 14 15 0 30 20 10 40 50 time, ms release time operate time response time 90 100 120110 130 50 40 30 20 10 0 0a room temperature 6a room temperature 0a 70 c 6a 70 c 0a 85 c 4.5a 85 c coil applied voltage, %v te mperature rise, c y' y xz z' x' y y' z' z x x' deenergized condition energized condition 200m/s 2 200m/s 2 200m/s 2 200m/s 2 200m/s 2 200m/s 2 4. max, switching capacity (2 form a/2 form b type) 10 20 30 50 70 100 200 300 500 1000 125 250 10 1 2 3 4 5 6 7 8 0.1 0.2 0.3 0.5 0.7 contact current, a contact voltage, v ac resistive load dc resistive load sample: sfs4-dc24v (4 form a/2 form b) the table below shows the state of the other contacts. in case of form ?o contact weld the coil applied voltage is 0 v. in case of form ?c contact weld the coil applied voltage is nominal. >0.5: contact gap is kept at min. 0.5 mm .020inch empty cells: either on or off note: contact gaps are shown at the initial state. if the contact transfer is caused by load switching, it is necessary to check the actual loading. state of other contacts 3-4 (nc) 5-6 (nc) 7-8 (no) 9-10 (no) 11-12 (no) 13-14 (no) welded contact no. 3-4 (nc) >0.5 >0.5 >0.5 >0.5 5-6 (nc) >0.5 >0.5 >0.5 >0.5 7-8 (no) >0.5 >0.5 9-10 (no) >0.5 >0.5 11-12 (no) >0.5 >0.5 13-14 (no) >0.5 >0.5 all rights rese r v ed c o p y r i gh t matsushita elect r ic w o r k s , ltd.
sfs dimensions (unit: mm inch ) 1. 4-pole (2 form a 2 form b, 3 form a 1 form b) 2. 6-pole (4 form a 2 form b, 5 form a 1 form b, 3 form a 3 form b) external dimensions general tolerance: 0.3 .012 pc board pattern (bottom view) tolerance: 0.1 .004 1.0 11.43 .450 0.5 10.16 .200 5.08 5.08 13.97 1.83 3.5 max. 13 max. 24 max. 40 .039 .020 .400 .200 .550 .072 .138 max. .512 max. .945 max. 1.575 5.08 13.97 (1.83) 10-1.4 .055 dia. 10.16 11.43 .450 .200 5.08 .200 .550 .400 (.072) schematic (bottom view) standard (2 form a 2 form b) (3 form a 1 form b) with led indication (2 form a 2 form b) (3 form a 1 form b) 378 14 102 56 9 378 14 102 56 9 378 14 102 56 9 378 14 102 56 9 external dimensions general tolerance: 0.3 .012 pc board pattern (bottom view) tolerance: 0.1 .004 5.08 .200 5.08 .200 .200 1.0 0.5 10.16 5.08 13.97 1.83 3.5 max. 13 max. 24 max. 50 .450 5.08 11.43 .039 .020 .400 .200 .550 .072 .138 max. .512 max. .945 max. 1.969 5.08 13.97 (1.83) 14-1.4 .055 dia. 10.16 5.08 .200 5.08 .200 .200 .450 5.08 11.43 .200 .550 .138 (.072) schematic (bottom view) standard (4 form a 2 form b) (5 form a 1 form b) (3 form a 3 form b) with led indication (4 form a 2 form b) (5 form a 1 form b) (3 form a 3 form b) 13 14 37812 1 2 4 56 910 11 13 14 37812 1 2 4 56 910 11 13 14 37812 1 2 4 56 910 11 13 14 37812 1 2 4 56 910 11 13 14 37812 1 2 4 56 910 11 13 14 37812 1 2 4 56 910 11 all rights rese r v ed c o p y r i gh t matsushita elect r ic w o r k s , ltd.
sfs 3. pc board sockets (4-pole) 4. pc board sockets (6-pole) external dimensions general tolerance: 0.3 .012 0.4 5.08 13.97 0.8 6.93 10.16 50.0 15.0 40.0 3.5 (13) (13) 11.43 .450 .200 5.08 .016 .200 .550 .031 .273 .400 1.969 .591 1.575 .138 (.512) (.512) pc board pattern (bottom view) tolerance: 0.1 .004 4.1 3-3.2 dia. (for m3 screw) .126 5.08 13.97 (6.93) 11.43 .450 .200 5.08 10.16 10-1.1 .043 dia. 24.8 39.9 .161 .200 .550 .400 .976 1.571 (.273) schematic (bottom view) standard (when 2 form a 2 form b mounted) (when 3 form a 1 form b mounted) with led indication (when 2 form a 2 form b mounted) (when 3 form a 1 form b mounted) 378 14 102 56 9 378 14 102 56 9 378 14 102 56 9 378 14 102 56 9 external dimensions general tolerance: 0.3 .012 0.4 5.08 13.97 0.8 6.93 10.16 60.0 15.0 40.0 3.5 (13) (13) 5.08 .200 5.08 .200 .200 .450 5.08 11.43 .016 .200 .550 .031 .273 .400 2.362 .591 1.575 .138 (.512) (.512) pc board pattern (bottom view) tolerance: 0.1 .004 5.08 13.97 (6.93) 3-3.2 dia. (for m3 screw) .126 4.1 5.08 .200 5.08 .200 .200 .450 5.08 11.43 14-1.1 .043 dia. 10.16 24.8 49.9 .200 .550 .161 .400 .976 1.965 (.273) schematic (bottom view) standard (when 4 form a 2 form b mounted) (when 5 form a 1 form b mounted) (when 3 form a 3 form b mounted) with led indication (when 4 form a 2 form b mounted) (when 5 form a 1 form b mounted) (when 3 form a 3 form b mounted) 13 14 37812 1 2 4 56 910 11 13 14 37812 1 2 4 56 910 11 13 14 37812 1 2 4 56 910 11 13 14 37812 1 2 4 56 910 11 13 14 37812 1 2 4 56 910 11 13 14 37812 1 2 4 56 910 11 all rights rese r v ed c o p y r i gh t matsushita elect r ic w o r k s , ltd.
sfs 5. din terminal socket (4-pole) 6. din terminal socket (6-pole) external dimensions general tolerance: 0.5 .020 * reference value (when using din rail ata48011) note: round terminals cannot be used with din terminal sockets. 6.3 +0.3 0 .248 +.012 0 6.5 m3 screw .118 r2.0 .079 75.0 6.5 6.2 0.3 dia. 2-4 5 hole 22.4 4.0 35.4 58.9 *62.4 .256 2.953 .244 .012 dia. .256 .882 .157 1.394 2.319 *2.457 mounting hole dimensions tolerance: 0.1 .004 schematic (top view) 14.5 0.2 2-m3.5 or 4 dia. hole 80.0 0.2 .571 .008 2-m.138 or .157 dia. hole 3.150 .008 9 10 7 8 3 5 6 2 4 1 external dimensions general tolerance: 0.5 .020 * reference value (when using din rail ata48011) note: round terminals cannot be used with din terminal sockets. 6.3 +0.3 0 .248 +.012 0 m3 screw .118 6.5 6.5 75.0 2-4 5 hole r2.0 .079 6.2 0.3 dia. 29.8 4.0 35.4 58.9 *62.4 .256 .256 2.953 .244 .012 dia. 1.173 .157 1.394 2.319 *2.457 mounting hole dimensions tolerance: 0.1 .004 schematic (top view) 2-m3.5 or 4 dia. hole 22.0 0.2 80.0 0.2 2-m.138 or .157 dia. hole .866 .008 3.150 .008 5213 7 46 9 13 11 810 1214 all rights rese r v ed c o p y r i gh t matsushita elect r ic w o r k s , ltd.
sfs notes for cautions f or us e , see rel a y t e c hnical in f ormation. 1. coil operating power pure dc current should be applied to the coil. the wave form should be rectangular. if it includes ripple, the ripple factor should be less than 5%. however, check it with the actual circuit since the characteristics may be slightly different. 2. coil connection when connecting coils, refer to the wiring diagram to prevent mis-operation or malfunction. 3. cleaning this relay is not sealed, therefore, immersion may cause failure. be careful that ?x does not over?w onto the pc board or penetrate inside the relay. 4. soldering when using automatic soldering, the following conditions are recommended 1) preheating: 120 c 248 f , within 120 sec (pc board solder surface) 2) soldering: 260 c 5 c 500 f 41 f , within 6 sec 5. installation 1) attach directly to the chassis or use a din rail. (1) when attaching directly to chassis use a m3.5 screw, spring washer, and hex nut. ? or the mounting pitch, refer to the dimensions. (2) when installing on a din rail use a 35 mm 1.378 inch wide din rail (din46277). install and remove as shown in the ?ures below. 2) refer to the ?ure below for applicable wire-pressed terminals. (you cannot use round type wire-pressed terminals.) 6. other 1) if the relay has been dropped, the appearance and characteristics should always be checked before use. 2) the switching lifetime is de?ed under the standard test condition speci?d in the jis* c 5442-1996 standard (temperature 15 to 35 c 59 to 95 f , humidity 25 to 75%). check this with the actual product as it is affected by the coil driving circuit, load type, activation frequency, activation phase, ambient conditions and other factors. also, be especially careful with loads such as those listed below. (1) when used for ac load-operation and the operating phase is synchronous. rocking and fusing can easily occur due to contact shifting. (2) during high frequency on/off operation with certain loads, arcing may occur at the contacts. this can cause fusion to oxygen and nitrogen gas in the air creating nitric acid (hno 3 ) which can cause corrosion to the contacts. please see the following countermeasure examples: 1. incorporate an arc-extinguishing circuit. 2. lower the operating frequency 3. lower the ambient humidity 3) for secure operations, nominal coil voltage should be applied. in addition, please note that pick-up and drop-out v oltage will vary according to the ambient temperature and operating conditions. 4) heat, smoke, and/or ?e may occur if the relay is used outside the allowable ranges for the coil ratings, contact ratings, operating cycle lifetime, and other speci?ations. therefore, do not use the relay if these ratings are exceeded. also, make sure that the relay is wired correctly. 5) incorrect wiring may cause false operation or generate heat or ?mes. 6) check the ambient conditions when storing or transporting the relays and devices containing the relays. freezing or condensation may occur in the relay causing damage. avoid exposing the relays to heavy loads, or strong shock and vibration. 7. usage, transport and storage conditions 1) ambient temperature, humidity, and atmospheric pressure during usage, transport, and storage of the relay: (1) temperature: ?0 to +85 c ?0 to +185 f (when the temperature is 70 to 80 c, reduce the 6 a max. switching current by 0.1 a/ c.) (2) humidity: 5 to 85% rh (avoid freezing and condensation.) the humidity range varies with the temperature. use within the range indicated in the graph below. (3) atmospheric pressure: 86 to 106 kpa temperature and humidity range for usage, transport, and storage 2) condensation condensation forms when there is a sudden change in temperature under high temperature and high humidity conditions. condensation will cause deterioration of the relay insulation. 3) freezing condensation or other moisture may freeze on the relay when the temperatures is lower than 0 c 32 f . this causes problems such as sticking of movable parts or operational time lags. 4) low temperature and low humidity at low temperature, low humidity environments, the plastic becomes brittle. please note corrections. pull screwdriver din rail push 6.3 mm max. 3 mm min. .248 inch max. .118 inch min. humidity, %r.h. te mperature, c f tolerance range 85 5 0 +85?0 (avoid condensation when used at temperatures higher than 0 c 32 f ) (avoid freezing when used at temperatures lower than 0 c 32 f ) +32 +185?0 all rights rese r v ed c o p y r i gh t matsushita elect r ic w o r k s , ltd.
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