Siemens 3SK1121-1CB44

SIRIUS Safety Relay Advanced Unit with Time Delay, 5-300s

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Siemens 3SK1121-1CB44 SIRIUS Safety Relay Advanced Unit with Time Delay, 5-300s — Contactors & Relays
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Siemens 3SK1121-1CB44 SIRIUS Safety Relay Advanced Unit with Time Delay, 5-300s — Contactors & Relays
Siemens 3SK1121-1CB44 SIRIUS Safety Relay Advanced Unit with Time Delay, 5-300s — Contactors & Relays
Siemens 3SK1121-1CB44 SIRIUS Safety Relay Advanced Unit with Time Delay, 5-300s — Contactors & Relays

Product Description

RoHS CompliantLifecycle Status:

The SIRIUS Safety Relay Advanced Unit is a robust solution designed for reliable circuit protection. This advanced unit features a time delay of 5-300 seconds, enabling circuits with enhanced safety measures. It comes equipped with two instantaneous no contacts and two delayed no contacts, providing versatile functionality. The relay operates at a voltage of 24 V DC, ensuring compatibility with various systems. The screw terminal design facilitates easy installation and maintenance. This advanced unit is a reliable choice for industrial applications requiring precise timing and safety measures.

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Offer details

Best offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees
Availability:
1 pc.
On Request
Updated at: 22-08-2026
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
Start input present
Design
One and two channels
Approval for UL present
Feedback circuit present

Available Offers

(5)
3SK1121-1CB44 Siemens, Contactors & Relays

Siemens

Available:
1 pc.
In-Stock
Updated at: 05-09-2026
Offer from:
Trusted supplier — Czechia, member since 2021, 50–99 employees
Warranty:
24 months
3SK1121-1CB44 Siemens, Contactors & Relays

Siemens

Available:
1 pc.
In-Stock
Updated at: 05-09-2026
Offer from:
Trusted supplier — Poland, member since 2023, 50–99 employees
Warranty:
24 months
3SK1121-1CB44 Siemens, Contactors & Relays

Siemens

Available:
0 pcs.
On Request
Updated at: 04-09-2026
Offer from:
Trusted supplier — Germany, member since 2024

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Documents

Data Sheet

Datasheet for Siemens 3SK1121-1CB44, including specifications and features.

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CAD Models

3D CAD model and technical drawings, ready for your design software.

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A robust and reliable safety relay with 3 enabling circuits and 1 signaling circuit for optimal safety and performance.

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