Apollo Series 65 Optical Smoke Detector

The Series 65 Optical Smoke Detector uses light sensing technology to “see” smoke entering the chamber. The external detector moulding is identical to that of the ionisation detector, and has an indicator LED which is clear in quiescent state and produces a red light in alarm.

  • Responds well to slow-burning, smouldering fires
  • Well-suited to bedrooms and escape routes
  • Unaffected by wind or atmospheric pressure
  • Flashing LED and magnet operated test switch options
Warranty 10 year
  • B&Bs/guest houses
  • Bedrooms
  • Cafes
  • Restaurants
  • Retail
  • Small to medium buildings
  • Care homes
  • HMOs
  • Hospitals
  • Hotels
  • Industrial premises
  • Large vessels
  • Listed buildings
  • Medium to large buildings
  • Offices
  • University campuses
  • Warehouses
Fire Type Slow burning, smouldering fires
Colour White
Finish Gloss
Sensor configuration Horizontal optical bench housing infra-red emitter and sensor, arranged radially to detect forward scattered light.
Weight 0.22lbs
Weight 99g
Materials housing Polycarbonate
Materials terminals Nickel plated stainless steel
Product length 42mm
Product diameter 100mm
Detection principle Photo-electric light scattering.
Product length 1.65in
Product diameter 3.94in
Standards EN 54-7
  • CPR
  • FG
  • LPCB
  • VdS
Chamber type Chevron
Power-up surge current 0.115mA
Maximum power-up time 30 seconds
Status indicator - Alarm Red
Status indicator - Fault Off
Quiescent current 50μA
Quiescent current tested at 24V dc
Supply voltage (max) 33V dc
Supply voltage (min) 9V dc
Supply voltage (Vmin-Vmax) 9 to 33V dc
Terminal functions L2 -L2 Line in & out negative
Terminal functions L1 in +L1 in
Terminal functions L1 out +L1 out
Terminal functions -R -R Remote indicator negative connection
Polarity L1 & L2 are polarity insensitive
Battery powered No
Sampling frequency Once every 3 seconds
Holding voltage (min) 6V
Minimum voltage to light alarm LED 12V
Alarm reset time 1s
Alarm load 420Ω in series with 2V drop
Humidity (max) 95% RH
Humidity (min) 0% RH
Humidity Note no condensation or icing
Humidity 0% to 95% (no condensation or icing)
Operating temperature -20 to 60°C
Operating temperature (max) 60°C
Operating temperature (min) -20°C
IP rating Value IP23D
Storage temperature (max) 80°C
Storage temperature (min) -30°C
Storage temperature -30 to 80°C
Effect of wind speed None
Operating temperature -4 to 140°F
Operating temperature (max) 140°F
Operating temperature (min) -4°F


  • Model: 55000-317APO
  • Shipping Weight: 0.3 kgs
  • Manufactured by: Apollo
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