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Siemens 3TK2822-1CB30 SIRIUS Safety Relay - 2 NO Contacts

Siemens SIRIUS safety relay with 2 NO enabling contacts.

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ManufacturerSiemens

Part number3TK2822-1CB30

Voltage 24 V AC/DC

Width 22.5 mm

Terminals Screw

EC Instantaneous 2 NO

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Veteran-owned

CAGE: 9NK75

24V AC/DC operation 22.5mm width 2 NO EC contacts Screw terminals Autostart Max SIL 3 / PL e

Product description

The Siemens 3TK2822-1CB30 is a SIRIUS safety relay featuring relay enabling circuits (EC) and screw terminals. It operates on 24 V AC/DC and has a slim 22.5 mm width. This basic device offers 2 instantaneous normally open (NO) EC contacts and 0 delayed NO contacts, with 0 safety contacts (SC). It supports autostart functionality and achieves a maximum achieved Safety Integrity Level (SIL) of 3 and Performance Level (PL) of 'e'.

This safety relay is suitable for various industrial safety applications requiring fewer enabling contacts but high safety ratings, such as emergency stop monitoring or safety gate control where only two independent channels are needed. It's commonly used in machine tools, automation cells, and assembly lines.

Stanlo Automation, a veteran-owned surplus distributor, offers the Siemens 3TK2822-1CB30 to help you maintain your automation systems. We provide reliable surplus parts to ensure your operations continue safely and efficiently.

Technical specifications

Voltage	24 V AC/DC
Width	22.5 mm
Terminals	Screw
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

Control Panels

Compatible systems

Compatible with Siemens SIRIUS industrial control components

Also known as

Siemens SIRIUS safety relay 2 NO 3TK2822-1CB30 safety module

Replaces / compatible with

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

Technical note

Expert tip

This relay is suitable for applications requiring two independent enabling circuits with a high safety rating, and where safety contacts are handled by external contactors or other safety devices.

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Frequently asked questions

What are the contact configurations for the Siemens 3TK2822-1CB30 safety relay?

The Siemens 3TK2822-1CB30 safety relay features 2 instantaneous normally open (NO) enabling circuit (EC) contacts and does not have delayed NO or safety circuit (SC) contacts.