Siemens
- Available:
- 1 pc.In-StockUpdated at: 05-09-2026
- Offer from:
Trusted supplier — Poland, member since 2025, 5–9 employees- Warranty:
- 3 months
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Siemens 3SK1211-1BW20
SIRIUS Safety Relay Output Expansion 4RO
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Product Description
RoHS CompliantLifecycle Status:
The SIRIUS Safety Relay Output Expansion 4RO is a robust solution designed to enhance the functionality of your safety systems. This product features relay enabling circuits for 4 normally open (NO) contacts, providing you with increased flexibility and control over your system's operations. Additionally, it includes a relay signaling circuit with 1 normally closed (NC) contact, ensuring reliable communication within your system.
This expansion module is compatible with a wide range of voltages, from 110 to 240 V AC/DC, making it suitable for various applications. It comes with screw terminals for easy and secure connection, ensuring a reliable and stable performance.
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Offer details
- Best offer from:
Trusted supplier — United Kingdom, member since 2023- Availability:
- 5 pcs.In-StockUpdated at: 05-09-2026
- Warranty:
- 12 months
- Condition:
- New Surplus
New Surplus - A new, unused, undamaged item without a manufacturer guarantee. The item may come without original packaging or in replacement packaging. If provided, the box may have been opened.
The Seller is responsible for shipping the product and invoicing
Specifications
- Brand
- Siemens
- Model
- Other
- EFDE0031
- With muting function
- With feedback circuit
- Rail mounting possible
- SIL according to IEC 61508
- 3
Available Offers
(9)
Siemens
- Available:
- 1 pc.On RequestUpdated at: 22-08-2026
- Offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees
Siemens
- Available:
- 1 pc.In-StockUpdated at: 05-09-2026
- Offer from:
Trusted supplier — Czechia, member since 2021, 50–99 employees- Warranty:
- 24 months
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Documents
Data Sheet
Datasheet for Siemens 3SK1211-1BW20, including specifications and features.
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TracePartsCAD Models
3D CAD model and technical drawings, ready for your design software.
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