Description
Ratings
Safety Relay Unit
Coil (4 poles)
| Item | Rated current (mA) | Coil resistance (Ω) | Max. voltage (V) | Power consumption (mW) |
|---|---|---|---|---|
| Rated voltage | ||||
| 12 VDC | 30 | 400 | 110% | Approx. 360 |
| 18 VDC | 20 | 900 | ||
| 21 VDC | 17.1 | 1,225 | ||
| 24 VDC | 15 | 1,600 | ||
| 48 VDC | 7.5 | 6,400 | ||
| 110 VDC | 3.8 | 28,810 | Approx. 420 |
Coil (6 poles)
| Item | Rated current (mA) | Coil resistance (Ω) | Max. voltage (V) | Power consumption (mW) |
|---|---|---|---|---|
| Rated voltage | ||||
| 12 VDC | 41.7 | 288 | 110% | Approx. 500 |
| 18 VDC | 27.8 | 648 | ||
| 21 VDC | 23.8 | 882 | ||
| 24 VDC | 20.8 | 1,152 | ||
| 48 VDC | 10.4 | 4,606 | ||
| 110 VDC | 5.3 | 20,862 | Approx. 580 |
Note: 1. The rated current and coil resistance are measured at a coil temperature of 23°C with tolerances of ±15%.
2. The maximum voltage is based on an ambient operating temperature of 23°C maximum.
Contacts
| Load | Resistive load |
|---|---|
| Rated load | 6 A at 250 VAC, 6 A at 30 VDC |
| Rated carry current | 6 A |
| Max. switching voltage | 250 VAC, 125 VDC |
| Max. switching current | 6 A |
| Contact materials | Au plating + Ag alloy |
Characteristics
Safety Relay Unit
| Contact resistance *1 | 100 mΩ max. | |
|---|---|---|
| Operating time *2 | 20 ms max. | |
| Response time *3 | 10 ms max. | |
| Release time *2 | 20 ms max. | |
| Must operate voltage | 75% max. | |
| Must release voltage | 10% min. | |
| Maximum operating frequency |
Mechanical | 36,000 operations/h |
| Rated load | 1,800 operations/h | |
| Insulation resistance *4 | 1,000 MΩ min. | |
| Dielectric Strength *5 *6 |
Between coil and contacts |
4,000 VAC, 50/60 Hz for 1 min. |
| Between contacts of different olarity |
4,000 VAC, 50/60 Hz for 1 min. (except for followings) 4 poles (for poles 3-4 in 4-pole Relays), 6 poles (for poles 3-5, 4-6, and 5-6 in 6-pole Relays): 2,500 VAC, 50/60 Hz for 1 min. |
|
| Between contacts of the same polarity |
1,500 VAC, 50/60 Hz for 1 min. | |
| Vibration resistance | 10 to 55 to 10 Hz, 0.75-mm single amplitude (1.5-mm double amplitude) | |
| Shock resistance |
Destruction | 1,000 m/s2 |
| Malfunction | 100 m/s2 | |
| Durability *7 |
Mechanical | 10,000,000 operations min. (at approx. 36,000 operations/h) |
| Electrical | 100,000 operations min. (at the rated load) | |
| Inductive load switching capability *8 (IEC60947-5-1) |
AC15 240 VAC, 2 A DC13 24 VDC, 1 A/48 VDC, 0.5 A/110 VDC, 0.2 A |
|
| Failure rate (P level) (reference value *9) |
5 VDC, 1 mA | |
| Ambient operating temperature *10 |
12 to 48 VDC: -40 to 85°C (with no icing or condensation) 110 VDC: -40 to 60°C (with no icing or condensation) |
|
| Ambient operating humidity | 5% to 85% | |
| Weight | 4 poles: Approx. 22 g 6 poles: Approx. 25 g |
|
Note: 1. The above values are initial values.
2. Performance characteristics are based on coil temparature of 23°C.
*1. The contact resistance was measured with 1 A at 5 VDC using the voltage-drop method.
*2. These times were measured at the rated voltage and an ambient temperature of 23°C. Contact bounce time is not
included.
*3. The response time is the time it takes for the normally open contacts to open after the coil voltage is turned OFF.
Contact bounce time is included. Measurement conditions: Rated voltage operation, Ambient temperature: 23°C
*4. The insulation resistance was measured with a 500-VDC megohmmeter at the same locations as the dielectric
strength was measured.
*5. Pole 3 refers to terminals 31-32 or 33-34, pole 4 refers to terminals 43-44, pole 5 refers to terminals 53-54, and
pole 6 refers to terminals 63-64.
*6. When using a P7SA Socket, the dielectric strength between coil contacts/different poles is 2,500 VAC, 50/60 Hz for
1 min. When using Push-In Plus terminal sockets (P7SA-[]F-ND-PU), the dielectric strength between coil contacts
as well as between different poles is 4,000 VAC, 50/60 Hz for 1 min.
*7. The durability is for an ambient temperature of 15 to 35°C and an ambient humidity of 25% to 75%. For the durability
performance to the load, refer to the Durability Curve.
*8. AC15: cosφ = 0.3, DC13: L/R = 48-ms.
*9. The failure rate is based on an operating frequency of 300 operations/min.
*10. 12 to 48 VDC:
When operating between 70 and 85°C, reduce the rated carry current of 6 A by 0.1 A for each degree above 70°C.
110 VDC:
When operating between 40 and 60°C, reduce the rated carry current of 6 A by 0.27 A for each degree above 40°C.
2. Performance characteristics are based on coil temparature of 23°C.
*1. The contact resistance was measured with 1 A at 5 VDC using the voltage-drop method.
*2. These times were measured at the rated voltage and an ambient temperature of 23°C. Contact bounce time is not
included.
*3. The response time is the time it takes for the normally open contacts to open after the coil voltage is turned OFF.
Contact bounce time is included. Measurement conditions: Rated voltage operation, Ambient temperature: 23°C
*4. The insulation resistance was measured with a 500-VDC megohmmeter at the same locations as the dielectric
strength was measured.
*5. Pole 3 refers to terminals 31-32 or 33-34, pole 4 refers to terminals 43-44, pole 5 refers to terminals 53-54, and
pole 6 refers to terminals 63-64.
*6. When using a P7SA Socket, the dielectric strength between coil contacts/different poles is 2,500 VAC, 50/60 Hz for
1 min. When using Push-In Plus terminal sockets (P7SA-[]F-ND-PU), the dielectric strength between coil contacts
as well as between different poles is 4,000 VAC, 50/60 Hz for 1 min.
*7. The durability is for an ambient temperature of 15 to 35°C and an ambient humidity of 25% to 75%. For the durability
performance to the load, refer to the Durability Curve.
*8. AC15: cosφ = 0.3, DC13: L/R = 48-ms.
*9. The failure rate is based on an operating frequency of 300 operations/min.
*10. 12 to 48 VDC:
When operating between 70 and 85°C, reduce the rated carry current of 6 A by 0.1 A for each degree above 70°C.
110 VDC:
When operating between 40 and 60°C, reduce the rated carry current of 6 A by 0.27 A for each degree above 40°C.
Options (order separately)
Sockets
| Model | Push-In Plus terminals | Screw terminals | PCB terminals | ||||
|---|---|---|---|---|---|---|---|
| 4 poles | 6 poles | 4 poles | 6 poles | 4 poles | 6 poles | ||
| P7SA-10F-ND-PU | P7SA-14F-ND-PU | P7SA-10F(-ND) | P7SA-14F(-ND) | P7SA-10P | P7SA-14P | ||
| Ambient operating temperature | • With operation indicator LED/built-in diode P7SA-[]F-ND(-PU): -20 to +70°C • Without operation indicator LED/built-in diode P7SA-[]F: -40 to +85°C (with no icing or condensation) |
-40 to +85°C (with no icing or condensation) |
|||||
| Ambient operating humidity | 25% to 85% | 5% to 85% | |||||
| Continuous carry current | 6 A *1 | ||||||
| Dielectric strength |
Between coil and contact terminals |
4,000 VAC for 1 min. | 2,500 VAC for 1 min. | ||||
| Between contact terminals of different polarity |
2,500 VAC for 1 min. | ||||||
| Between contact terminals of same polarity |
1,500 VAC for 1 min. | ||||||
| Insulation resistance | 1,000 MΩ min. *2 | ||||||
| Weight | Approx. 58 g | Approx. 70 g | Approx. 44 g | Approx. 59 g | Approx. 9 g | Approx. 10 g | |
*1. When operating the P7SA-[]F-ND-PU at a temperature between 50 and 70°C, reduce the continuous current
(6 A at 50°C or less) by 0.25 A for each degree above 50°C.
When operating the P7SA-[]F-ND at a temperature between 50 and 70°C, reduce the continuous current
(6 A at 50°C or less) by 0.3 A for each degree above 50°C.
When operating the P7SA-[]F at a temperature between 50 and 85°C, reduce the continuous current
(6 A at 50°C or less) by 0.1 A for each degree above 50°C.
*2. Measurement conditions: For 500 VDC applied to the same location as for dielectric strength measurement.
Short Bars (for P7SA-[]F-ND-PU)
| Application | Applicable sockets |
Models | Maximum carry current |
Ambient operating temperature |
Ambient operating humidity |
|---|---|---|---|---|---|
| Crossover wiring of contact terminals (bottom) |
P7SA-[]F-ND-PU | XW5S-P2.5-2[] | 24 A | -40 to 55°C | 5% to 95% |
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