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Datasheet generated 2026-10-07
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Siemens SIRIUS 3SK1 safety relay 3SK1111-1AW20

Siemens · Safety & Detection · Safety Relays · Germany · siemens.com
Part Number
3SK1111-1AW20  ·  HS 8536.49
Siemens SIRIUS 3SK1 safety relay 3SK1111-1AW20

Siemens 3SK1111-1AW20 — SIRIUS 3SK1 safety relay. Compact safety relay for emergency-stop, safety-gate and light-curtain monitoring per EN ISO 13849. Standard relay 3NO+1NC 110-230VAC.

Technical Specifications

Manufacturer part number (MPN)3SK1111-1AW20
EAN / GTIN4011209913516
Sales unitpcs
Operating voltage AC 50 Hz110–240 V
Operating voltage AC 60 Hz110–240 V
Operating voltage DC110–240 V
Power consumption2.5 W
Supply voltage AC 50 Hz110–240 V
Supply voltage AC 60 Hz110–240 V
Supply voltage DC110–240 V
Control voltage 1110–240 V
Control voltage 2110–240 V
Voltage type (operating voltage)AC/DC
Type of control voltage 1AC/DC
Type of control voltage 2AC/DC
ModelBasic device
Suitable for monitoring of valvesNo
Suitable for monitoring of tactile sensorsNo
Suitable for monitoring of proximity switchesNo
Type of electric connectionScrew connection
Rated control supply voltage AC 50 Hz110–240 V
Rated control supply voltage AC 60 Hz110–240 V
Rated control supply voltage DC110–240 V
Voltage type for actuatingAC/DC
Evaluation inputsOne- and two-channel
Stop category according to IEC 602040
Performance level according to EN ISO 13849-1Level e
SIL according to IEC 615083
With approval for BG BIANo
Width22.5 mm
Height100 mm
Depth121.6 mm
Country of originGermany

Properties

MOQ1

Cross-References

Attached Documents