Siemens 3SK1121-1CB41 — SIRIUS 3SK1 safety relay. Compact safety relay for emergency-stop, safety-gate and light-curtain monitoring per EN ISO 13849. Advanced relay tidsforsinket 0.05-3s.
Siemens 3SK1121-1CB41 — SIRIUS 3SK1 safety relay. Compact safety relay for emergency-stop, safety-gate and light-curtain monitoring per EN ISO 13849. Advanced relay tidsforsinket 0.05-3s.
| Manufacturer part number (MPN) | 3SK1121-1CB41 |
| EAN / GTIN | 4011209913592 |
| HS code | 8536.90 |
| Sales unit | pcs |
| Power consumption | 2.5 W |
| Voltage type (operating voltage) | DC |
| Type of control voltage 1 | DC |
| Type of control voltage 2 | DC |
| Model | Basic device |
| Suitable for monitoring of position switches | Yes |
| Suitable for monitoring of emergency-stop circuits | Yes |
| Suitable for monitoring of valves | No |
| Suitable for monitoring of tactile sensors | No |
| Suitable for monitoring of magnetic switches | Yes |
| Suitable for monitoring of proximity switches | No |
| Type of electric connection | Screw connection |
| Suitable for rail mounting | No |
| Rated control supply voltage DC | 24 V |
| Voltage type for actuating | DC |
| With detachable clamps | No |
| Evaluation inputs | One- and two-channel |
| With start input | Yes |
| With muting function | No |
| With feedback circuit | Yes |
| Release-delay | 0.05–3 s |
| Stop category according to IEC 60204 | 0 + 1 |
| Performance level according to EN ISO 13849-1 | Level e |
| SIL according to IEC 61508 | 3 |
| With approval for BG BIA | No |
| With approval according to UL | Yes |
| Width | 22.5 mm |
| Height | 100 mm |
| Depth | 121.6 mm |
| Country of origin | Germany |
| MOQ | 1 |