Apollo Series 65 AIR (57ºC) heat detector

Order code: 55000-122APO Category:
  • A high-quality Type A1R static/rate of rise heat detector.
  • Monitors temperature using a dual thermistor network which provides a voltage output proportional to the external air temperature.
  • Certified to EN54-5 by the LPCB.
  • Wide 9-33V DC operating voltage.
  • Red LED illuminates when the detector is in alarm.
  • Requires a 45681-201APO diode base, 45681-200APO non-diode base or 45681-245APO relay base.
Technical Specifications


Application temperature

Static response temperature

Supply wiring

Supply/operating voltage

Quiescent current

Alarm voltage

Alarm current

Alarm reset voltage

Expansion connections

Product dimensions (mm)

Construction & finish

IP Rating


Operating conditions/temperature


Series 65 Engineering Guide – uncontrolled document