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Siemens 3SK1111-2AW20
Siemens SIRIUS 3SK1 safety relay, 24–240 V AC/DC, spring terminals

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SIRIUS 3SK1 safety relay for E-stops, guard doors and light curtains, 24–240 V AC/DC supply with spring terminals.
| Brand | Siemens |
|---|---|
| Family | SIRIUS 3SK safety relays |
| Catalogue number | 3SK1111-2AW20 |
| Supply / coil | 24 VDC |
Check the catalogue number against your existing equipment before ordering. Manufacturer datasheet available on request.
About the SIRIUS 3SK safety relays range
Siemens SIRIUS 3SK safety relays monitor emergency stops, guard doors and light curtains. The 3SK1 range covers standard single-function applications.
- Monitors E-stops, doors and light curtains
- Rated up to SIL 3 / PL e
- Screw or spring terminals
- Compact DIN-rail housing
Typical uses: Machine guarding and emergency stop circuits
Other SIRIUS 3SK safety relays parts
- 3SK1111-2AB30-0AX0 Siemens SIRIUS 3SK1 safety relay, 24 V DC, spring terminals
- 3SK1111-1AB30 Siemens SIRIUS 3SK1 safety relay, 24 V DC, screw terminals
- 3SK1111-1AW20 Siemens SIRIUS 3SK1 safety relay, 24–240 V AC/DC, screw terminals
- 3SK1111-2AB30 Siemens SIRIUS 3SK1 safety relay, 24 V DC, spring terminals
- 3SK1112-1BB40 Siemens SIRIUS 3SK1 safety relay, 24 V DC, screw terminals
- 3SK1112-2BB40 Siemens SIRIUS 3SK1 safety relay, 24 V DC, spring terminals