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Siemens 3TK2810-1BA41-0AA0

Name: SIRIUS Safety Relay, Screw Terminal, 24 VDC
Brand: Siemens
SKU: 3TK2810-1BA41-0AA0

SIRIUS Safety Relay, Screw Terminal, 24 VDC

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Manufacturer catalogue image

Product Description

RoHS CompliantLifecycle Status:

The SIRIUS safety relay is designed to provide safety-related speed monitoring in 24 V DC applications. It features a screw terminal connection, enabling circuit instantaneous 2NO, enabling circuit delayed 0, and signaling circuit 2 electrical. This device adheres to the NAMUR version and offers auto start/manual start capabilities. As a basic unit, it has a maximum achievable PL according to EN 13849-1: e and a maximum achievable SIL according to IEC 61508: 3.

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Offer details

Offer from:: Trusted supplier — Czechia, member since 2021, 50–99 employees
Availability:: 1 pc.
In-Stock
Updated at: 06-10-2026
Warranty:: 24 months
Condition:: Used

Used - A previously used item with possible signs of cosmetic wear. It is fully operational and functions as intended, though the original packaging may be missing.

The Seller is responsible for shipping the product and invoicing

Specifications

Brand: Siemens
Model: Other
With start input
With feedback circuit
With muting function
Evaluation inputs: 2-channel
Rail mounting possible

Available Offers

(4)

Condition	Availability	Supplier	Warranty
Condition Used	Availability 1 pc. In-Stock Updated at: 06-10-2026	Supplier CzechiaTrusted supplier — member since 2021, 50–99 employees	Warranty 24 months
Condition Used	Availability 1 pc. In-Stock Updated at: 07-10-2026	Supplier PolandTrusted supplier — member since 2023, 50–99 employees	Warranty 3 months
Condition New Factory Sealed	Availability On requestLead time: 90 days	Supplier GermanyTrusted supplier — member since 2024	Warranty Not specified
Condition New Factory Sealed	Availability On requestLead time to be confirmed	Supplier ItalyTrusted supplier — member since 2021, 10–19 employees	Warranty 12 months

Offer with manufacturer lead time

Directly from the manufacturer - with a confirmed, predictable, and fully transparent delivery time.

Documents

Data Sheet

Datasheet for Siemens 3TK2810-1BA41-0AA0, 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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Product data updated: 06-10-2026

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SIRIUS safety relay safety-oriented Standstill monitoring 24 V DC, 45 mm Spring-type terminal EC instantaneous: 3 NO + 1 NC EC delayed: 0 SC: 3 Auto-start Basic unit max. error category EN 954-1: 4 Maximum achievable PL according to EN 13849-1: Maximum achievable SIL according to IEC 61508: 3

3TK2810-1BA41Siemens

SIRIUS safety relay with screw terminal speed monitoring for 24 V DC applications.

3TK2810-1BA42Siemens

SIRIUS safety relay Safety-oriented Speed monitoring 24 V DC, 45 mm overall width Spring-type terminal EC instantaneous: 2 NO EC delayed: 0 SC: 2 electrical Auto-start/manual start Basic device Maximum achievable PL according to EN 13849-1: e Maximum achievable SIL according to IEC 61508: 3

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