Part No. F16-77305


EVA-ZMU-SCI Zone Module with Short Circuit Isolator is intended for use in addressable two wire systems, which can be connected with two-wire conventional detectors. The module monitors and transmits the status (normal, open, short,or alarm) of zone with the detectors to a control panel. The module is used for Class A (Style D & E) and Class B (Style B & C) operation.


  • Loop powered conventional zone module
  • SCI function
  • Supports Class A and Class B wiring
  • SEMS screws for easy wiring
  • Status indicator LED
  • Analog communications
  • Address settable from 001 to 254 by a dedicated programmer
  • Low standby current (2.6mA)
  • Mounts to optional 4-inch square junction box

SCI Function

The module has a built-in short circuit isolator. SCI
circuit prevents entire loop failure in the event of a
short between L+ and L- on the loop.


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