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Initiating Device Circuit (IDC)

The IDC consists of a terminal wiring board and a communication module, mounted in an explosion-proof, water-tight enclosure. The IDC accepts two dry contact inputs for use with devices like relays, pushbuttons, and key switches.

  • Accepts inputs from standard contact closure input devices such as manual call stations, heat detectors, keyswitches, and proof of agent release flow switches
  • Provides two ANSI/NFPA 72 Class B Style B supervised input circuits
  • Non-volatile alarm history memory
  • Active fault isolation
  • Each input programmable for fire, supervisory, trouble or normal service

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