Safety relay module SRM 21 Multi
Features/Options
- Enclosure width: 22.5 mm
- 2 NC contact combination connectable
- Feedback circuit
- 2 enabling paths potential-free
- 1 auxiliary output
- Manual or automatic start
- LED indicator for switching condition
- PL e, SIL CL 3
Product image
Technical data
| Standards | IEC/EN 60204 -1, EN 60947-5-1, EN 61508, EN ISO 13849-1; EN 60947-5-3/PDF-M |
|---|---|
| Enclosure | Polyamid PA 6.6 V0 black; DIN rail mounting per EN 50022 |
| Connection | screw terminals |
| Cable section | 1x 2.5 mm²/2x 1.5 mm² strand including conductor ferrules, 1x 4 mm²/2x 2.5 mm² massive |
| Degree of protection | Enclosure IP 40, terminals IP 20 as per IEC 60 529, contact protection per VBG 4 |
| Rated operating voltage Ue | 24 VDC -20%, +25 % |
| Power consumption | <3 W |
| Inputs | 2 NC,1 feedback input, 1 start input |
| Outputs | 2 enabling paths, 1 auxiliary output |
| Utilisation category | AC-1; DC-1 |
| Rated operating current/voltage Ie/Ue Enabling paths |
6 A/250 VAC; 6 A/24 VDC |
| Max. output current auxiliary S11, S21, S31 output Ia |
50 mA |
| Short-circuit protection Supply voltage Ue |
2 A gL/gG D-fuse |
| Enabling paths | 6 A gL/gG D-fuse |
| Safety-related data | control category 4 per EN 954-1, PL e per EN ISO 13849-1, SIL 3 per EN 61508 |
| Release delay | ≤125 ms |
| Mech. life | >10 million switching cycles |
| LED display | 4: Operation, fault, inputs A and B |
| Degree of pollution | 2 per EN 50178, DIN VDE 0110 |
| Overvoltage category | III |
| Ambient temperature | -25 °C … +55 °C |
| Storage/shipping temp. | -25 °C ... +75 °C |
| Shock resistance | 10g |
| TM | max. 20 years |
| Approvals |  |
