3SK1121-1CB41

Siemens SIRIUS 3SK1121-1CB41 Safety Relay Basic Unit Advanced  | Shop On Ebay
Factory New Parts : Warranty 12 Months​
Second-Hand Parts : Warranty 3-6 Months​
Tested & Certified | Ships Worldwide​
Technical / Safety Engineering Support​
Warranty Extension and Urgent Delivery supported. Get your quote or lead time now !

Description

The Siemens SIRIUS 3SK1121-1CB41 is an advanced safety relay basic unit designed for time-delayed safety functions in industrial applications. Operating with a 24V DC supply voltage, this unit features 2 normally open (NO) instantaneous contacts and 2 NO delayed contacts with an adjustable time delay range of 0.05 to 3 seconds. The screw terminal design ensures secure and reliable connections, while the advanced series functionality provides flexible integration into safety circuits requiring precise timing control. This relay is ideal for applications such as delayed restart, time-based interlocking, and sequenced safety operations, ensuring compliance with safety standards and reliable performance in demanding environments.

Key Features

  • Advanced safety relay basic unit
  • Supply voltage: 24V DC
  • 2 NO instantaneous relay contacts
  • 2 NO delayed relay contacts
  • Adjustable time delay: 0.05–3 seconds
  • Screw terminal connections
  • For advanced safety applications
  • Complies with international safety standards

Warranty & After-Sales

  • Factory new units: 12 months warranty
  • Refurbished units: 3-6 months warranty
  • Technical support for safety configuration and validation

Delivery Time

  • Standard delivery: 3-5 working days
  • Express shipping available upon request

Why Choose Our Store

  • Genuine Siemens safety components
  • Global supply network with competitive pricing
  • Expertise in functional safety systems

Applications

  • Delayed restart safety circuits
  • Time-based interlocking systems
  • Sequenced safety operations
  • Machine safety with timing requirements
  • Safety systems in conveyor and automation

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