Best offer
Siemens
- Available:
- 4 pcs.In-StockUpdated at: 24-08-2026
- Offer from:
Trusted supplier — Poland, member since 2025, 5–9 employees- Warranty:
- 3 months
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Siemens 3SK1211-2BB40
SIRIUS Safety Relay, 4RO, 4NO+1NC, 24VAC, Spring-Type
1 / 1
Manufacturer catalogue image
Product Description
RoHS CompliantLifecycle Status:
The SIRIUS Safety Relay Output Extension 4RO is a robust solution designed for enhanced safety in automation systems. This relay incorporates relay enabling circuits, providing four normally open (NO) contacts and one normally closed (NC) contact. The relay signaling circuit further enhances the functionality of this device, making it an ideal choice for applications requiring precise control over electrical circuits.
Key Features:
- Relay enabling circuits for reliable operation
- Four normally open (NO) contacts and one normally closed (NC) contact
- 24V DC spring-type terminal (push-in) for easy connection
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Payment methods:
Offer details
- Best offer from:
- Trusted supplier — Poland, member since 2021, 5–9 employees
- Availability:
- 1 pc.In-StockUpdated at: 24-08-2026
- 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
- Type of actuation
- DC
- Muting possible
- Approval for UL present
- Functional safety (SIL)
- SIL 3
- Feedback circuit present
- Stop Category acc. to IEC 60204
- 0
Available Offers
(26)
Siemens
- Available:
- 84 pcs.In-StockUpdated at: 24-08-2026
- Offer from:
- Trusted supplier — Poland, member since 2022, 1–4 employees
- Warranty:
- 6 months
Siemens
- Available:
- 3 pcs.On RequestUpdated at: 22-08-2026
- Offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees
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Documents
Data Sheet
Datasheet for Siemens 3SK1211-2BB40, 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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