Zone Input Device

Product Overview

The Zone Input Device is designed to allow up to 40 conventional detectors to be interfaced to the Ampac range of Apollo analogue addressable control panels.

The Zone Input circuit is compatible with Series 60/65 and Orbis range of detectors and is fully monitored for alarm state, open & short circuit fault conditions. The Ampac NZ Heat detector range is also fully compatible.

The programmable End of Line (EOL) feature, incorporating Alarm Verification Facility (AVF) provides options for 3K3? or 6K2? resistor values. To facilitate support for detector head removal, a 10uF capacitor can also be selected for use with the appropriate diode bases on the conventional detection circuit.

The Ampac Zone Input Device is loop powered and incorporates bi directional isolation circuitry to provide protection against detection loop short circuits. On board LED status indication is provided for service and commissioning purposes.

Two packaging options are available. The ‘DIN Mount’ version enables the device to be mounted onto standard 35mm DIN rail or screwed direct to the back pan of a larger enclosure while the ‘Enclosed’ version allows the device to be surface mounted to a wall.


  • Conventional Monitored Input
  • Selectable EOL Monitoring Device
  • Loop Powered
  • Compatible with XP95 & Discovery Protocol
  • Built In Short Circuit Isolator
  • Low Power Consumption
  • Diagnostic LED Indications
  • Surface Mount Enclosure
  • DIN Rail Mount Option



Operating Voltage 17 – 28 V dc
Max Current at 24 V dc 3K3 EOL 6K2 EOL 10uF EOL
Quiescent Current 7.5mA 5mA 2mA
Alarm Condition 23mA 23mA 23mA
Operating Temp -20°C +70°C
Humidity 0 to 95% Non-condensing
Dimensions H x W x D
DIN Mount 75 x 110 x 25mm
Enclosed 150 x 200 x 52mm
Material Grey ABS
IP Rating IP44 (Indoor Use)


Item Numbers

4210-0058 Zone Input Device DIN Mount
4210-0059 Zone Input Device Enclosed