3SK1211-1BB40
The 3SK1211-1BB40 is an output expansion module from the Siemens SIRIUS 3SK1 Advanced series. It provides four sets of normally open enable contacts and one set of normally closed signal contacts, with a rated voltage of 24V DC and bolt-type terminal connections for easy connection to basic units.
Product Positioning
The 3SK1211-1BB40 is an output expansion module from the Siemens SIRIUS 3SK1 Advanced series. It is rated at 24V DC and uses bolt-type terminals, which can add 4 sets of enable output contacts to the safety relay system.
Core Product Advantages and Features
4 sets of energizing normally open contacts
It provides 4 sets of enable (NO) output contacts, plus 1 set of normally closed (NC) signal contacts, which can monitor the output status.
24V DC standard power supply
It adopts the 24V DC power supply standard commonly used in industrial sites, making it easy to integrate with existing systems.
Modular expansion architecture
The number of output points can be flexibly expanded by connecting the device connector to the 3SK1 Advanced series basic unit.
Bolt-type terminals
Bolted terminal connections ensure secure wiring and facilitate maintenance and on-site inspection.
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3SK1211-1BB00
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3SK1122-2CB41
The 3SK1122-2CB41 is a basic unit in the Siemens SIRIUS 3SK1 Advanced series. It features a built-in adjustable delay time of 0.05 to 3 seconds, electronically provides two sets of instantaneous and two sets of delayed enable outputs, is rated at 24V DC, and has spring-loaded terminal connections.