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Bi-Wire / 2 Wire Fire Alarm Systems


Bi-Wire / 2 Wire systems provide a advance Conventional Fire alarm systems that detectors, manual call points and sounder on one pair of wires. This means easier, faster installations.

Benefits and Features

  • Available in 1, 2, 4, and 8 zones
  • Self-Check features as standard
  • Detectors, sounders and relay modules share same wiring
  • HMO facility and repeater output on 4 and 8 zone panels
  • Class change facility
  • Selectable fire/fault relay
  • Supports up to 20 sounders and 20 ancillaries per zone
  • Detector removal indication as standard
  • Maintenance-free poly switch circuit protection
  • Weekly test/walk test facility

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