
Honeywell 802373 IQ8Quad OT Multisensor Fire Detector (Addressable, with Isolator)
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Honeywell 802373 IQ8Quad OT Multisensor Fire Detector
Addressable multisensor fire detector combining optical and thermal sensors; evaluates the combined optical/thermal signal and also provides a separate heat signal. Can be operated on esserbus and esserbus-PLus lines thanks to the integrated short-circuit isolator.
Multisensor Detection
Provides combined evaluation of optical (photoelectric) and thermal (heat) sensors.
Addressable Operation
Belongs to the IQ8Quad series of addressable detectors.
Integrated Isolator
Short-circuit isolator is integrated; operates on esserbus and esserbus-PLus lines.
Monitored Area
Monitored area 110 m², height max. 12 m and air velocity range 0–25.4 m/s.
Technical Specifications
Model : 802373
Features : Addressable multisensor; optical (photoelectric) and thermal (heat) sensors; separate heat signal; integrated short-circuit isolator
Detection Principle : Optical and thermal (combined signal, separate heat signal)
Monitored Area : 110 m²
Monitored Height : Max. 12 m
Air Velocity Range : 0–25.4 m/s
Integrated Isolator : Yes
Operating Voltage : 9–42 V DC
Standby Current : Approx. 280 µA
Alarm Current : 18 mA (without communication barrier)
Dimensions : Ø117 mm × height 49 mm (62 mm including base)
Weight : Approx. 110 g
Material : ABS plastic
Color : White (similar to RAL 9010)
Operating Temperature : -20 °C ~ +50 °C
Storage Temperature : -25 °C ~ +75 °C
Protection Class : IP 40 (with base); max. IP 43 with base and option
Standards : EN 54-7; EN 54-5 A2; EN 54-17:2005; CEA 4021; VdS; DIBt
Compatibility : Mounts on IQ8Quad standard detector base or base with relay contacts (detector base ordered separately)
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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