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Product information

Series 65 Optical Smoke Detector

The Series 65 Optical Smoke Detector uses light sensing technology to detect a fire. The external detector moulding has an indicator LED which is white in quiescent state but produces a red light in alarm.

Brand Information

Series 65 incorporates well-proven sensing technologies, including an Integrated Circuit based on that used in XP95 analogue addressable detectors.

The Series 65 range has a wide operating voltage of 9–33V and consists of ionisation, integrating ionisation and optical smoke detectors, four grades of heat detector and a range of bases.

Brand Features

  • Wide-operating voltage of 9–33 V DC
  • Wide-operating and storage temperature of -20°C to +60°C
  • Can be used on security systems
  • Electrically and mechanically compatible with Series 60
  • Proven detection performance


Applications 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
Warranty 10 year
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
Sampling frequency Once every 3 seconds
Sampling frequency -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
Holding voltage (min) 6V
Minimum voltage to light alarm LED 12V
Alarm reset time 1s
Alarm load 420Ω in series with 2V drop
Battery powered No
Humidity (min) 0% RH
Humidity (max) 95% RH
Humidity Note no condensation or icing
Humidity 0% to 95% (no condensation or icing)
Operating temperature (min) -20°C
Operating temperature (max) 60°C
Operating temperature -20 to 60°C
IP rating Value IP23D
Storage temperature (min) -30°C
Storage temperature (max) 80°C
Storage temperature -30 to 80°C
Standards EN 54-7
Weight 99g
Colour White
Finish Gloss
Materials housing Polycarbonate
Materials terminals Nickel plated stainless steel
Product length 42mm
Product diameter 100mm
Detection principle Photo-electric light scattering
Sensor configuration Horizontal optical bench housing infra-red emitter and sensor, arranged radially to detect forward scattered light


Certificate Datasheet Product Guides
FG - Forsikringsselskapenes Godkjennelsesnevnd PP2613 Series 65 Optical Smoke Detector Datasheet PP2061 Series 65 EPG
LPCB - Loss Prevention Certification Board Certificate
SBSC - Svensk Brand & Sakerhets Certifiering AB Certificate
VdS - Verband der Schadenversicherer
BOSEC - Belgian Organisation for Security Certification
CPR - Certificate of Constancy of Performance