Zone Monitor with Isolator

Product Overview

The Zone Monitor with Isolator powers and controls the operation of a zone of up to 20 Apollo Series 65 or Orbis fire detectors from a Discovery or XP95 Loop.


  • Loop powered.
  • Visible LED.
  • Built-in short circuit isolator


Voltage 17-28vdc
Quiescent Current 4mA + detector load
Alarm Current 11mA at 24vdc
EOL Resistor Value 5.1k
Maximum Capacitor on Zone Terminals 50µF
Zone Voltage 19V ± 1V
Operating Temperature -20°C to +70°C (no icing)
Relative Humidity 0 to 95% (non condensing)
IP Rating IP54
Size (mm) 150 W x 90 H x 48 D
Weight 230 grams


Item Numbers

55000-845AMP XP95 Zone Monitor Unit with Isolator