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1ds_61410_en_sfs: 031213D SPECIFICATIONS Contact #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. Slim compact safety relay SF RELAYS Slim type Item 4 poles 6 poles 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. (By voltage drop 6 V DC 1 A) 100 m Contact material Gold-flashed AgSnO 2 type Rating (resistive load) Nominal switching capacity 6 A 250 V AC, 6 A 30 V DC Max. switching power 1,500 VA, 180 W Max. switching voltage 250 V AC, 30 V DC Max. switching current 6 A (Reduce by 0.1 A/ C for temperatures 70 to 85C.) Min. switching capacity (Reference value) #1 1 mA 5 V DC Expected life (min. operations) Mechanical (at 180 times/min.) 10 Electrical 250 V AC 6 A resistive load: 105 (at 20 times/min.) 30 V DC 6 A resistive load: 105 (at 20 times/min.) 250 V AC 1 A resistive load: 5105 (at 30 times/min.) 30 V DC 1 A resistive load: 5105 (at 30 times/min.) [AC 15] 240 V AC 2 A inductive load: 105 (at 20 times/min., cos = 0.3) [DC 13] 24 V DC 1 A inductive load: 105 (at 20 times/min., L/R = 48 ms)
FEATURES
- Forcibly guide contact structure (EN50205 Class A TÜV recognized)
- Slim profile (mm inch) Compact size with slim profile relay reduces substrate size. [4-pole type]40 (L)13 (W)24 (H) [6-pole type]50 (L)13 (W)24 (H)
- Built-in LED indication type available Built-in LED eliminates need for design and mounting of separate LED circuit. This cuts costs and saves labor.
- Fast response time is achieved (8 ms or less) Circuit is quickly opened to ensure safety.
- High shock resistance (Functional: Min. 200m/s 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.
- PC board sockets also available (4 and 6-poles)
- Lineup also includes DIN terminal socket with finger protect construction (4 and 6-poles) TYPICAL
APPLICATIONS
- Machine tools
- Robots
- Safety PLCs
- Circuits with stringent safety standard requirements such as those in motor vehicle production equipment. Max. 13 Max. 24 Max. 40 .512 .945 1.575 Max. 13 Max. 24 Max. 50 .512 .945 1.969 mm inch
2 ds_61410_en_sfs: 031213D Coil Characteristics (at 20C 68F)
- Outline of performance [Socket for PC board/DIN terminal socket] Remarks *1 Measurement at same location as “Initial breakdown voltage” section *2 Detection current: 10mA *3 Excluding contact bounce time *4 Response time is the time after the coil voltage turns off until the time when “a” contact turns off. *5 Half-wave pulse of sine wave: 11ms; detection time: 10s *6 Half-wave pulse of sine wave: 6ms *7 Detection time: 10s *8 Refer to “NOTES” on page 9, 7. Usage, transport and storage conditions.
ORDERING INFORMATION
2 Form A/2 Form B
Nominal operating power 360 mW 500 mW Item 4 poles 6 poles Max. operating speed 20 times/min. (at nominal voltage) Initial insulation resistance* 1 Min. 1,000 M at 500 V DC Initial breakdown voltage*2 Between open contacts 1,500 Vrms for 1 min. Between contact sets 2,500 Vrms for 1 min.: 7-8/9-10 2,500 Vrms for 1 min.: 7-8/11-12 9-10/13-14 11-12/13-14 4,000 Vrms for 1 min.: 3-4/5-6 3-4/7-8 5-6/9-10 4,000 Vrms for 1 min.: 3-4/5-6 3-4/7-8 5-6/9-10 7-8/9-10 Between contact and coil 4,000 Vrms for 1 min. Operate time (at nominal voltage) Max. 20 ms* Response time*4 (without diode) (at nominal voltage) Max. 8 ms*3 Release time (without diode) (at nominal voltage) Max. 20 ms*3 Shock resistance Functional*5 Min. 200 m/s2 Destructive*6 Min. 1,000 m/s2 Vibration resistance Functional*7 10 to 55 Hz at double amplitude of 1.5 mm Destructive 10 to 55 Hz at double amplitude of 1.5 mm Conditions for operation, transport and storage*8 (Not freezing and condensing at low temperature) Ambient temp. –40 C to +85C –40F to +185F Humidity 5 to 85% R.H. Max. carrying current 6 A (Reduce by 0.1 A/ C for temperatures 70 to 85C.) Initial breakdown voltage Between each terminal: 2,500 Vrms for 1 min. (Detection current: 10mA) Initial insulation resistance* 1 Min. 1,000 M at 500V DC Ex. SF Product name Slim type Note: Standard packing: Carton 50 pcs. Case 200 pcs. (Accessories: Carton 10 pcs. Case 100 pcs.) Please inquire about other coil voltages. 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 Nil: Without LED indication With LED indication Operation indication Coil voltage DC12, 18, 21, 24, 48V S
3ds_61410_en_sfs: 031213D TYPES 1. Relay 2. Accessories Contact arrangement Nominal voltage Without LED indication With LED indication Part No. Part No. 4 poles
12 V DC SFS2-DC12V SFS2-L-DC12V
18 V DC SFS2-DC18V SFS2-L-DC18V
21 V DC SFS2-DC21V SFS2-L-DC21V
24 V DC SFS2-DC24V SFS2-L-DC24V
48 V DC SFS2-DC48V SFS2-L-DC48V
12 V DC SFS3-DC12V SFS3-L-DC12V
18 V DC SFS3-DC18V SFS3-L-DC18V
21 V DC SFS3-DC21V SFS3-L-DC21V
24 V DC SFS3-DC24V SFS3-L-DC24V
48 V DC SFS3-DC48V SFS3-L-DC48V
12 V DC SFS4-DC12V SFS4-L-DC12V
18 V DC SFS4-DC18V SFS4-L-DC18V
21 V DC SFS4-DC21V SFS4-L-DC21V
24 V DC SFS4-DC24V SFS4-L-DC24V
48 V DC SFS4-DC48V SFS4-L-DC48V
12 V DC SFS5-DC12V SFS5-L-DC12V
18 V DC SFS5-DC18V SFS5-L-DC18V
21 V DC SFS5-DC21V SFS5-L-DC21V
24 V DC SFS5-DC24V SFS5-L-DC24V
48 V DC SFS5-DC48V SFS5-L-DC48V
12 V DC SFS6-DC12V SFS6-L-DC12V
18 V DC SFS6-DC18V SFS6-L-DC18V
21 V DC SFS6-DC21V SFS6-L-DC21V
24 V DC SFS6-DC24V SFS6-L-DC24V
48 V DC SFS6-DC48V SFS6-L-DC48V
Type No. of poles Part No. PC board sockets 4 poles SFS4-PS 6 poles SFS6-PS DIN terminal socket 4 poles SFS4-SFD 6 poles SFS6-SFD
4 ds_61410_en_sfs: 031213D COIL DATA (at 20C 68F) Note: The nominal operating current of the LED indication type increases approximately 2 mA because of the light emitting diode display. Contact arrangement Nominal voltage, V DC Pick-up voltage, V DC (max.) (initial) Drop-out voltage, V DC (min.) (initial) Nominal operating current, mA (10%) Coil resistance (10%) Nominal operating power, mW Max. allowable voltage, V DC 4 poles 12 9 1.2 30 400 Approx. 360 13.2 18 13.5 1.8 20 900 19.8 21 15.75 2.1 17.1 1,225 23.1 24 18 2.4 15 1,600 26.4 48 36 4.8 7.5 6,400 52.8 12 9 1.2 30 400 13.2 18 13.5 1.8 20 900 19.8 21 15.75 2.1 17.1 1,225 23.1 24 18 2.4 15 1,600 26.4 48 36 4.8 7.5 6,400 52.8 6 poles 12 9 1.2 41.7 288 Approx. 500 13.2 18 13.5 1.8 27.8 648 19.8 21 15.75 2.1 23.8 882 23.1 24 18 2.4 20.8 1,152 26.4 48 36 4.8 10.4 4,608 52.8 12 9 1.2 41.7 288 13.2 18 13.5 1.8 27.8 648 19.8 21 15.75 2.1 23.8 882 23.1 24 18 2.4 20.8 1,152 26.4 48 36 4.8 10.4 4,608 52.8 12 9 1.2 41.7 288 13.2 18 13.5 1.8 27.8 648 19.8 21 15.75 2.1 23.8 882 23.1 24 18 2.4 20.8 1,152 26.4 48 36 4.8 10.4 4,608 52.8
5ds_61410_en_sfs: 031213D DIMENSIONS mm inch Download from our Web site.CAD DataCAD Data 1. 4 poles (2 Form A/2 Form B, 3 FormA/1 Form B) CAD Data General tolerance: 0.3 .012 PC board pattern (Bottom view) Tolerance: 0.1 .004 1.0 11.43 .450 0.5 10.16 .2005.08 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 .450.2005.08 .200 .550 .400 (.072) Schematic (Bottom view) Standard (2 FormA/2 Form B) (3 FormA/1 Form B) With LED indication (2 FormA/2 Form B) (3 FormA/1 Form B) 37 814 102 56 9 37 814 102 56 9 37 814 102 56 9 37 814 102 56 9 2. 6 poles (4 Form A/2 Form B, 5 FormA/1 Form B, 3 Form A/3 Form B) CAD Data 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 FormA/1 Form B) (3 Form A/3 Form B) With LED indication (4 Form A/2 Form B) (5 FormA/1 Form B) (3 Form A/3 Form B) 13 14 37 8 1 21 56 9 1 0 13 14 37 8 1 21 56 9 1 0 13 14 37 8 1 21 56 9 1 0 13 14 37 8 1 21 56 9 1 0 13 14 37 8 1 21 56 9 1 0 13 14 37 8 1 21 56 9 1 0
6 ds_61410_en_sfs: 031213D 3. PC board sockets (4 poles) 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 .450.2005.08 .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 .450.2005.08 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 FormA/2 Form B mounted) (When 3 FormA/1 Form B mounted) With LED indication (When 2 FormA/2 Form B mounted) (When 3 FormA/1 Form B mounted) 37 814 102 56 9 37 814 102 56 9 37 814 102 56 9 37 814 102 56 9 mm inch 4. PC board sockets (6 poles) 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 FormA/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 FormA/1 Form B mounted) (When 3 Form A/3 Form B mounted) 13 14 37 8 1 21 56 9 1 0 13 14 37 8 1 21 56 9 1 0 13 14 37 8 1 21 56 9 1 0 13 14 37 8 1 21 56 9 1 0 13 14 37 8 1 21 56 9 1 0 13 14 37 8 1 21 56 9 1 0
7ds_61410_en_sfs: 031213D 5. DIN terminal socket (4 poles) 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 .248 +.012 6.5 M3 screw.118 R2.0 .079 75.0 6.5 6.2±0.3 dia. 2-4×5 hole 22.44.035.4 58.9*62.4 .256 .256 .882.1571.394 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 10 7 8 mm inch 6. DIN terminal socket (6 poles) 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 .248 +.012 M3 screw.118 6.5 6.5 75.0 2-4×5 hole R2.0 .079 6.2±0.3 dia. 29.84.035.4 58.9*62.4 .256 .256 1.173.1571.394 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 13 11 810 1214
8 ds_61410_en_sfs: 031213D REFERENCE DATA Other contact gaps when contacts are welded SAFETY STANDARDS * CSA standard: Certified by C-UL Certification authority File No. UL/C-UL E43149* 6A 277V AC, 6A 30V DC TÜV B 05 04 13461 054 6A 250V AC (cos =1.0), 6A 250V DC (0ms), AC15: 2A 240V AC (cos=1.0), DC13: 1A 24V DC (L/R 48ms) 1. Operate/response/release time Sample: SFS4-DC24V (4 Form A/2 Form B) Quantity: n = 20 (a contacts: 80, b contacts: 40) 2. Coil temperature rise Sample: SFS4-DC24V (4 Form A/2 Form B) Quantity: n = 3 Measured portion: Inside the coil Ambient temperature: Room temperature 3. Malfunctional shock Sample: SFS4-DC24V (4 Form A/2 Form B) Quantity: n = 3 No. of contacts 10 23456789 10 11 12 13 14 150 Time, ms Release time Operate time Response time Coil applied voltage, %V T emperature rise, °C 90 100 120 110 130 0A Room temperature 6A Room temperature 0A 70°C 6A 70°C 0A 85°C 4.5A 85°C Y XZ Z' X' Y Z X X' Deenergized condition Energized condition 200m/s2 200m/s2 200m/s2 200m/s2 200m/s2 200m/s2 4. Max, switching capacity (2 Form A/2 Form B type) 10 20 30 50 70 100 200 300 500 1000 125 250 0.1 0.2 0.3 0.5 0.7Contact 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 “NO” contact weld the coil applied voltage is 0 V. In case of form “NC” 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 Welded contact No. 7-8 (NO) >0.5 >0.5
9ds_61410_en_sfs: 031213D NOTES For Cautions for Use, see Relay Technical Information. 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 flux does not overflow onto the PC board or penetrate inside the relay. 4. Soldering When using automatic soldering, the following conditions are recommended 1) Preheating: 120C 248F, within 120 s max (PC board solder surface). 2) Soldering: 260C5C 500F41F, within 6 s max. 5. 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.
- For 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 figures below. 2) Refer to the figure 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 defined under the standard test condition specified in the JIS* C 5442-1996 standard (temperature 15 to 35C 59 to 95F, 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 voltage will vary according to the ambient temperature and operating conditions. 4) Heat, smoke, and/or fire may occur if the relay is used outside the allowable ranges for the coil ratings, contact ratings, operating cycle lifetime, and other specifications. 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 flames. 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: –40 to +85C –40 to +185F (When the temperature is 70 to 80C, 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 0C 32F. This causes problems such as sticking of movable parts or operational time lags. 4) At low temperature, low humidity environments, the plastic becomes brittle. Please note corrections. 8. Please connect DC coil types with LED and built-in diode correctly by verifying the coil polarity (“+” and “– ”). Connecting with reverse polarity will cause the LED not to light and damage the built-in diode due to its specification. <When installing> <When removing> Pull Screwdriver DIN rail Push 6.3 mm max. 3 mm min. .248 inch max. .118 inch min. Humidity, %R.H. T emperature, °C °F T olerance range 0+ 8 5-40 (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 +185-40