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Siemens 3SK1111-1AB30, Sirius 3SK1 Safety Relay, Single Channel, 24 V ac/dc, 4 Safety

3SK1111-1AB30 Siemens , Sirius 3SK1 Safety Relay, Single Channel, 24 V ac/dc, 4 Safety
3SK1111-1AB30
3SK1111-1AB30
3SK1111-1AB30 Siemens , Sirius 3SK1 Safety Relay, Single Channel, 24 V ac/dc, 4 Safety
Siemens

Product Information

Function:
Emergency Stop Monitoring
SIL IEC 61508:
3
Reset Method:
Automatic, Monitored
Standards Met:
CCC, CE, CSA, EAC, UL
PL ISO 13849-1:
e
Performance Level:
e
Series:
3SK1
Length:
100mm
Width:
22.5mm
Depth:
122mm
Number of Channels:
1
Supply Voltage:
24V ac/dc
Safety Contacts:
4
Range:
SIRIUS
Terminal Type:
Screw
Safety Category ISO 13849-1:
4
RoHs Compliant
Checking for live stock

The Siemens 3SK1111‑1AB30 is a single‑channel safety relay from the SIRIUS 3SK1 series, designed to monitor and enable safety‑related circuits. It supports a 24 V AC/DC supply and features three safety contacts and one signalling contact for precise, reliable feedback on system status. With a narrow 22.5 mm housing, IP20 protection, and screw‑terminal connection, it is well suited for compact panel installations in industrial automation, machine‑safety and emergency‑stop applications.

Unique Features and Benefits of Choosing the Siemens Safety Relay, Single Channel

  • Supply voltage 24 V AC/DC enables flexible installation in AC or DC systems.
  • Single‑channel configuration streamlines integration in standard safety‑circuit architectures.
  • Three NO safety contacts plus one NC signalling contact provide clear separation of safety and status functions.
  • Rated to Performance Level (PL) e / Category 4 according to EN ISO 13849‑1 and SIL 3 per IEC 61508 for high‑integrity safety applications.
  • Compact 22.5 mm-wide DIN-rail-mount housing saves panel space and is suitable for tight enclosures.
  • IP20 protection and screw‑terminal connections support standard industrial-control-cabinet environments.

Engineered for High‑Integrity Safety Monitoring

This relay is built to protect personnel and equipment by integrating fault‑monitoring, cross‑circuit detection and a high number of switching cycles. The design ensures that safety functions such as emergency‑stop, guard‑door monitoring, and light‑barrier interfacing can be implemented without complex architecture.

Wide Application Range

  • Incorporation in emergency‑stop circuits for machine tools and presses.
  • Monitoring of safety doors, light grids or laser scanners on production lines.
  • Use in control panels where compact safety relays enable high‑density installation.
  • Deployment in automation systems requiring PL e/SIL 3 compliance for machine‑safety certification.
  • General use in industrial machinery, process plants and equipment requiring certified safety components.

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Datasheet(Technical Reference)
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Machine Guarding and Safety Range Overview(Technical Reference)

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FAQs

Yes. We ship 3SK1111-1AB30 Internationally to many countries around the world.
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You can order Siemens brand products with 3SK1111-1AB30 directly through our website or call us at +44 (0) 3303 800 157 or email our support team at sales@enrgtech.co.uk.
Yes. Our products in Safety Relays category are shipped in lowest possible time.
You will get a confirmation email regarding your order of Siemens 3SK1111-1AB30, Sirius 3SK1 Safety Relay, Single Channel, 24 V ac/dc, 4 Safety. You can also check on our website or by contacting our customer support team for further order details on Siemens 3SK1111-1AB30, Sirius 3SK1 Safety Relay, Single Channel, 24 V ac/dc, 4 Safety.
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