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Siemens 3TK2826-2CW30 SIRIUS Safety Relay - UC, Spring Terminal

Siemens 3TK2826-2CW30 SIRIUS safety relay with 4 NO instantaneous enabling circuits, UC, spring terminals.

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ManufacturerSiemens

Part number3TK2826-2CW30

Voltage 24-240V UC

Width 45 mm

Terminals Spring-type

Enabling Circuits (EC) Instantaneous 4 NO

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Veteran-owned

CAGE: 9NK75

4 instantaneous NO enabling circuits 2 safety contacts 24-240V UC operation 45mm width Spring-type terminal Universal voltage

Product description

The Siemens 3TK2826-2CW30 is a versatile SIRIUS safety relay designed for universal voltage applications (24-240V UC) and features convenient spring-type terminals for quick connections. With a 45mm width, this basic device offers 4 instantaneous normally open (NO) enabling circuits and 2 safety contacts (SC), without any delayed outputs. It meets high safety requirements with a maximum PL of d and SIL of 3 according to EN 13849-1 and IEC 61508.

This safety relay is ideal for global machine building and industrial automation projects requiring flexibility in control voltage. The spring terminals simplify wiring, especially in high-volume production or in applications where frequent maintenance is expected.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the Siemens 3TK2826-2CW30. We provide reliable components and expert service to meet your automation safety needs.

Technical specifications

Voltage	24-240V UC
Width	45 mm
Terminals	Spring-type
Enabling Circuits (EC) Instantaneous	4 NO
Enabling Circuits (EC) Delayed	0
Safety Contacts (SC)	2
Functions	8
Max PL	d
Max SIL	3

Common applications

Machine Safety

Emergency Stop

Safety Interlocking

Industrial Automation

Control Panels

Fast Connection

Compatible systems

Compatible with various safety sensors and control systems requiring SIL 3 / PL d rated safety relays, especially in systems with varying control voltages and where quick wiring is beneficial.

Also known as

Siemens 3TK2826-2CW30

Replaces / compatible with

This is a phased-out product. The successor series is 3SK2.

Technical note

Expert tip

The combination of universal voltage and spring terminals makes this model highly adaptable for diverse global automation projects, reducing complexity and installation time.

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Frequently asked questions

Can the Siemens 3TK2826-2CW30 be used with different control voltages?

Yes, the Siemens 3TK2826-2CW30 is designed for universal control voltage (24-240V UC), making it highly flexible for use in various international and domestic control power systems without requiring separate part numbers.