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Siemens 3TK2822-2CB30 SIRIUS Safety Relay - Spring Terminals

Siemens SIRIUS safety relay with spring terminals, 2 NO contacts.

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ManufacturerSiemens

Part number3TK2822-2CB30

Voltage 24 V AC/DC

Width 22.5 mm

Terminals Spring-type

EC Instantaneous 2 NO

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12-month warranty

All units tested

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Veteran-owned

CAGE: 9NK75

24V AC/DC operation Spring-type terminals 2 NO EC contacts Autostart Max SIL 3 / PL e Fast connection

Product description

The Siemens 3TK2822-2CB30 is a SIRIUS safety relay featuring relay enabling circuits (EC) and convenient spring-type terminals. It operates on 24 V AC/DC and has a compact 22.5 mm width. This basic device is equipped with 2 instantaneous normally open (NO) EC contacts and 0 delayed NO contacts, with 0 safety contacts (SC). It supports autostart and achieves the highest safety standards with a maximum SIL of 3 and PL of 'e'.

This safety relay is ideal for industrial automation applications that require rapid installation and high safety integrity, such as emergency stop circuits and safety gate monitoring where only two independent channels are needed. The spring terminals provide quick and secure connections, reducing setup time.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3TK2822-2CB30. We provide access to quality surplus industrial automation components to keep your machinery running safely and efficiently.

Technical specifications

Voltage	24 V AC/DC
Width	22.5 mm
Terminals	Spring-type
EC Instantaneous	2 NO
EC Delayed	0 NO
SC	0 NC
Autostart	Yes
Max SIL	3
Max PL	e

Common applications

Machine Safety

Industrial Automation

Emergency Stop Systems

Safety Gate Monitoring

Fast Installation

Automation Cells

Compatible systems

Compatible with Siemens SIRIUS industrial control components

Also known as

Siemens SIRIUS safety relay spring 3TK2822-2CB30 safety module

Replaces / compatible with

N/A - This is a core safety relay unit.

Technical note

Expert tip

This relay is ideal for applications needing quick setup and reliable safety monitoring via two enabling circuits, with external safety contactors handling the final switching.

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Frequently asked questions

What is the benefit of spring-type terminals on the Siemens 3TK2822-2CB30 safety relay?

The spring-type terminals on the Siemens 3TK2822-2CB30 allow for faster and more secure electrical connections without the need for tools, which is advantageous for quick installation and reliable performance in environments with vibration.