Home Allen-Bradley® Guardmaster® 440C-CR30 Configurable Safety Relay
A flexible, cost-effective and easy-to-use safety solution
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You can enhance the base unit of the Guardmaster Configurable Safety relay with a space-saving plug-in module, which extends the functionality of the embedded I/O.

  • Increase communication functionality using 2080-IQ4OB4 plug-in modules from Micro800® Control Systems and add 4-channel inputs/outputs
  • Accessories provide standard parts and help ease configuration
  • A standard USB cable can be used to help speed up configuration