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CHQ-ISM

Intrinsically Safe Sounder Module

The sounder control module interfaces between the Hochiki analogue system via a CHQ-DSC or conventional sounder O/P's and the intrinsically Audio/Visual units via an intrinsically safe barrier

The module provides line monitoring for open and short circuits on the wiring connected to both safe and hazardous areas 

  • Provides dual sounder circuits
  • Provides fault-monitored input
  • Interfaces between loop and I.S. sounders/beacons
  • Fully monitored for short-circuits
  • Requires 24 vdc external power supply\
  • Also available as a DIN module