3SK1122-1CB42

The 3SK1122-1CB42 is a basic unit in the Siemens SIRIUS 3SK1 Advanced series. It features a built-in 0.5 to 30-second intermediate delay time function, provides two sets of instantaneous and two sets of delayed enable outputs electronically, is rated at 24V DC, and has a bolt-type terminal connection.

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Delay in Siemens SIRIUS 3SK1122-1CB42 Safety Station Basic Unit

Product Positioning

The 3SK1122-1CB42 is a basic unit in the Siemens SIRIUS 3SK1 Advanced series, featuring a medium time delay of 0.5 to 30 seconds, suitable for most safety circuit designs that require delayed power-off buffering.

Core Product Advantages and Features

Intermediate delay time setting

The delay time can be adjusted from 0.5 to 30 seconds, covering most common delayed power outage application requirements.

Instantaneous plus delayed dual output

The electronic system provides two sets of instantaneous enable outputs and two sets of delayed enable outputs to meet different timing control requirements.

Bolt-type terminals

Bolted terminal connections ensure secure and reliable wiring, making them suitable for long-term industrial operating environments.

Modular expansion architecture

Input or output expansion modules can be added via device connectors to flexibly build a complete security chain.

project	Specification
Product Family	SIRIUS 3SK1 Advanced Series
Product Type	Basic unit (with time delay function)
Delay time range	0.5~30 seconds
Enable circuit output	Electronic 2-group instantaneous NO + 2-group delayed NO
Rated power supply voltage Us	24 V DC
Terminal type	Bolt-type terminals

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