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Siemens 3TK2823-1CB30 SIRIUS Safety Relay - 22.5mm, 2 NO

Siemens 3TK2823-1CB30 SIRIUS safety relay with 2 NO instantaneous contacts.

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ManufacturerSiemens

Part number3TK2823-1CB30

Manufacturer Siemens

Part Number 3TK2823-1CB30

Series SIRIUS

Voltage 24 V AC/DC

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2 NO instantaneous enabling circuits Compact 22.5 mm width Screw terminal connections 24V AC/DC operating voltage SIL 3 / PL e safety rating Monitored start functionality

Product description

The Siemens 3TK2823-1CB30 is a SIRIUS safety relay designed for monitoring safety circuits. This unit operates on 24V AC/DC and features a compact 22.5mm width with screw terminals. It provides 2 normally open (NO) instantaneous enabling circuits (EC) and is rated for a maximum achieved SIL 3 and PL e, making it suitable for demanding safety applications.

This safety relay is ideal for applications requiring reliable monitoring of emergency stops, safety gates, and other safety-related functions across various industries, including manufacturing, material handling, and machine building. Its narrow design conserves panel space, while its high safety ratings ensure compliance with stringent safety standards.

Source your Siemens 3TK2823-1CB30 from Stanlo Automation, a veteran-owned distributor committed to providing quality surplus industrial parts. We offer reliable service and competitive pricing, ensuring you get the components you need to keep your operations running smoothly and safely.

Technical specifications

Manufacturer	Siemens
Part Number	3TK2823-1CB30
Series	SIRIUS
Voltage	24 V AC/DC
Width	22.5 mm
Terminals	Screw
Enabling Circuits (EC) Instantaneous	2 NO
Enabling Circuits (EC) Delayed	0 NO
Safety Contacts (SC)	0 NC
Monitored Start	Yes
Maximum SIL	3
Maximum PL	e

Common applications

Emergency stop monitoring

Safety gate monitoring

Machine safety

Industrial automation

Control panels

Manufacturing equipment

Compatible systems

Suitable for various safety control systems requiring SIL 3 / PL e compliance.

Also known as

Siemens 3TK2823-1CB30 relay SIRIUS 3TK2823-1CB30 Siemens safety monitoring relay

Replaces / compatible with

Compatible with Siemens SIRIUS safety components. Please consult Siemens documentation for specific compatibility details.

Technical note

Expert tip

Ensure proper wiring of the monitored start input to guarantee the relay's safe operation and reset functionality.

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Frequently asked questions

What are the safety ratings for the Siemens 3TK2823-1CB30 safety relay?

The Siemens 3TK2823-1CB30 safety relay achieves a maximum Safety Integrity Level (SIL) of 3 and a Performance Level (PL) of e. This ensures a high degree of functional safety for your critical applications.