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Siemens 3SK1122-1CB42 SIRIUS Safety Relay - Basic Unit Advanced

Siemens 3SK1122-1CB42 SIRIUS Safety Relay, Advanced Series.

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ManufacturerSiemens

Part number3SK1122-1CB42

Series SIRIUS Advanced

Type Basic Unit

Time Delay 0.5-30 s

Enabling Circuits 2 NO instantaneous

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Adjustable time delay 0.5-30s 2 NO instantaneous outputs 2 NO delayed outputs 24V DC operation Screw terminals for secure connection SIRIUS Advanced series

Product description

The Siemens 3SK1122-1CB42 is a SIRIUS safety relay, part of the Advanced series basic unit. It features a time delay adjustable from 0.5 to 30 seconds and offers 2 instantaneous normally open (NO) enabling circuits and 2 delayed normally open (NO) relay outputs. This unit operates at a supply voltage of 24V DC and uses screw terminals for secure connections.

This safety relay is suitable for applications requiring extended timed safety functions, such as those in automated manufacturing or complex machinery where controlled delays are essential for safe operation. It is widely used in various industrial sectors.

Stanlo Automation, a veteran-owned supplier, offers the Siemens 3SK1122-1CB42. We are committed to providing reliable surplus industrial automation parts, ensuring your systems remain operational and safe.

Technical specifications

Series	SIRIUS Advanced
Type	Basic Unit
Time Delay	0.5-30 s
Enabling Circuits	2 NO instantaneous
Relay Outputs	2 NO delayed
Supply Voltage	24 V DC
Terminal Type	Screw terminal

Common applications

Industrial safety systems

Machine control

Automation processes

Manufacturing plants

Robotics safety

Timed safety functions

Compatible systems

Designed to integrate with standard safety sensors and control systems requiring 24V DC operation.

Also known as

Siemens 3SK1122-1CB42 module SIRIUS advanced safety relay 3SK1122 timed safety relay

Replaces / compatible with

Ideal for applications needing a longer time delay with the security of screw terminal connections. Compatible with Siemens SIRIUS safety system components.

Technical note

Expert tip

The screw terminals on the 3SK1122-1CB42 ensure a robust and vibration-resistant connection, crucial for safety-critical applications in harsh industrial environments.

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Frequently asked questions

What is the time delay range of the Siemens 3SK1122-1CB42 safety relay?

The Siemens 3SK1122-1CB42 safety relay has an adjustable time delay range from 0.5 to 30 seconds. This provides flexibility for integrating safety functions that require specific timing intervals.