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Siemens 3SK1122-2CB44 SIRIUS Safety Relay - Basic Unit Advanced

Siemens 3SK1122-2CB44 SIRIUS Safety Relay, Advanced Series.

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ManufacturerSiemens

Part number3SK1122-2CB44

Series SIRIUS Advanced

Type Basic Unit

Time Delay 5-300 s

Enabling Circuits 2 NO instantaneous

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Extended time delay 5-300s 2 NO instantaneous outputs 2 NO delayed outputs 24V DC operation Spring-type (push-in) terminals SIRIUS Advanced series

Product description

The Siemens 3SK1122-2CB44 is a SIRIUS safety relay from the Advanced series basic unit. This model features an extended adjustable time delay ranging from 5 to 300 seconds, offering significant flexibility for long-duration safety functions. It includes 2 instantaneous normally open (NO) enabling circuits and 2 delayed normally open (NO) outputs, operating at 24V DC with spring-type (push-in) terminals for ease of connection.

This safety relay is designed for applications requiring substantial time delays in their safety circuits, such as complex automated processes, machinery with long ramp-up or cool-down periods, or safety interlocks that need extended waiting times. It is crucial in industries like heavy manufacturing, chemical processing, and advanced automation.

Stanlo Automation, a veteran-owned distributor, offers the Siemens 3SK1122-2CB44. We pride ourselves on providing dependable surplus industrial automation parts, ensuring that your critical safety systems are always supported.

Technical specifications

Series	SIRIUS Advanced
Type	Basic Unit
Time Delay	5-300 s
Enabling Circuits	2 NO instantaneous
Relay Outputs	2 NO delayed
Supply Voltage	24 V DC
Terminal Type	Spring-type (push-in)

Common applications

Industrial automation with long delays

Complex machine safety

Process control with timed sequences

Safety systems requiring extended hold

Heavy manufacturing

Chemical processing

Compatible systems

Compatible with standard safety sensors and control systems requiring 24V DC inputs.

Also known as

Siemens 3SK1122-2CB44 module SIRIUS advanced long delay relay 3SK1122 push-in long time relay

Replaces / compatible with

Ideal for applications needing extended time delays and the convenience of push-in terminals. Compatible with Siemens SIRIUS safety system components.

Technical note

Expert tip

The extensive 5-300 second time delay range of the 3SK1122-2CB44 is crucial for safety interlocks in processes with lengthy operational cycles or post-operation safety requirements.

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Frequently asked questions

What is the longest time delay setting available on the Siemens 3SK1122-2CB44 safety relay?

The Siemens 3SK1122-2CB44 safety relay offers an extended adjustable time delay range from 5 to 300 seconds. This makes it suitable for safety applications that require very long or precisely timed sequential operations.