Intelligent Mains Switching Input/Output Unit

The Intelligent Mains Switching Input/Output Unit provides a single line tolerant circuit containing one or more normally open contacts connected to a single pair of cables. It also provides a voltage free change over relay output capable of switching mains.

  • Contains controllable isolator
  • Two input channels
  • Failsafe mode (meets BS 7273-4 requirements)
  • Earth fault monitoring

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