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3SK Safety Relays

3SK Safety Relays

Overview

SIRIUS 3SK safety relays are the key elements of a consistent, cost-effective safety chain. Whether you need EMERGENCY-STOP functionality, protective door monitoring, light arrays, laser scanners or the protection of presses or punches - slimline SIRIUS safety relays enable all safety applications to be implemented in the best possible way in terms of engineering and price.

The following safety-related functions are available:

  • Monitoring the safety functions of sensors
  • Monitoring the sensor leads
  • Monitoring the correct device function of the safety relay
  • Monitoring the actuators in the shutdown circuit
  • Safety-related disconnection when dangers arise

SIRIUS 3SK safety relays are approved for applications up to SIL 3 (IEC 61508/IEC 62061) or PL e (EN ISO 13849-1).

Device series

SIRIUS 3SK safety relays stand out on account of their flexibility in both parameterization and system configurations with several evaluation units. Optimized solutions when selecting components are facilitated by a clearly structured component range:

  • 3SK1 Standard basic units
  • 3SK1 Advanced basic units
  • 3SK2 basic units
  • 3SK output expansions
  • 3SK1 input expansions
  • Accessories

3SK1 Standard basic units

The 3SK1 Standard basic units are characterized by the following features:

  • Compact design
  • Simple operation
  • Relay and semiconductor outputs
  • Economical solution

3SK1 Advanced basic units

The 3SK1 Advanced basic units additionally offer:

  • Universal application opportunities thanks to multifunctionality
  • Time-delayed outputs
  • Expansion of inputs and outputs

3SK2 basic units

In addition, 3SK2 basic units offer:

  • Up to six fail-safe trip functions
  • Flexible application thanks to software parameterization
  • Powerful semiconductor outputs
  • Convenient diagnostics using diagnostics display and configuration software

Did you know, we are an entrusted Siemens approved partner?

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