Honeywell 802473 OTG Multisensor Fire Detector (CO, IQ8Quad, Isolator)
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Honeywell 802473 OTG Multisensor Fire Detector (CO, IQ8Quad, Isolator)
The OTG multisensor fire detector uses optical smoke, heat, and carbon monoxide (CO) detection methods together to detect both smoldering and flaming fires; it includes an integrated short-circuit isolator and is used on the esserbus/esserbus-Plus addressable loop.
Multi-Detection (Optical, Heat, CO)
Uses optical smoke, heat, and carbon monoxide detection methods in combination.
Integrated Short-Circuit Isolator
A short-circuit isolator is integrated and designed for use on the esserbus/esserbus-Plus loop.
Monitored Area and Height
Monitored area 110 m²; monitoring height 12 m.
Operating and Storage Conditions
Operating temperature -20 °C ... +50 °C, storage temperature -25 °C ... +75 °C, and ambient humidity < 95 % (non-condensing).
Technical Specifications
Model : 802473
Features : OTG multisensor fire detector; optical smoke, heat, and carbon monoxide (CO) detection; integrated short-circuit isolator
Operating voltage : 8 ... 42 V DC
Standby current : Approx. 225 µA (at 27.5 V); approx. 360 µA (at 42 V)
Alarm current : 18 mA (without communication)
Monitored area : 110 m²
Monitoring height : 12 m
Permitted air velocity : 0 ... 25.4 m/s
CO pre-alarm threshold : 75 ppm
CO alarm threshold : 100 ppm
Operating temperature : -20 °C ... +50 °C
Storage temperature : -25 °C ... +75 °C
Air humidity : < 95 % (non-condensing)
Material : ABS plastic
Color : White (similar to RAL 9010)
Dimensions : Ø 117 mm; height 49 mm (62 mm with detector base)
Weight : Approx. 110 g
Protection class : IP 40 with base; IP 43 with base and option
Integrated isolator : Yes
Remote indicator connection : Possible
Standards / Approvals : EN 54-7 / EN 54-5 A2 / EN 54-17, CEA 4021; VdS approval; DIBt approved
Accessories : 805590 detector base; 805591 base with relay contacts; 767800 mounting bracket
Shipping & Return Terms
Fast Shipping: 24-hour delivery within North Cyprus · 3–5 business days between Türkiye and North Cyprus
Returns: 14-day no-questions-asked returns · In original packaging, unused
Warranty: All products are distributor approved and carry a 24-month warranty.
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