Siemens
- Available:
- 2 pcs.In-StockUpdated at: 04-09-2026
- Offer from:
Trusted supplier — Germany, member since 2024
- Warranty:
- 24 months
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The SIRIUS Safety Relay Output Extension is designed to expand the output capabilities of your existing safety relay. This module features four relay outputs and relay enabling circuits, providing you with increased flexibility in your automation systems.
In addition to the relay outputs, this extension also includes four normally open (NO) contacts and a relay signaling circuit. The relay signaling circuit allows for easy monitoring of the relay's status, while the NO contacts can be used to trigger additional actions or events in your system.
This module is compatible with 24 V AC screw connection, ensuring reliable and efficient operation in your automation systems. With its compact design and robust construction, this extension is a valuable addition to any industrial automation setup.
Siemens
Siemens
Siemens
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Datasheet for Siemens 3SK1211-1BB00, including specifications and features.
3D CAD model and technical drawings, ready for your design software.

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