802177.IN
The Esser 802177.IN is the FM-approved industrial variant of the IQ8Quad fixed heat detector (Class B) with integrated isolator, certified for Factory Mutual standards in high-risk environments like petrochemical plants and warehouses.
It features the same +65°C fixed temperature response as the standard 802177 but with enhanced housing materials (PC/ABS) and IP43 protection rating for harsher conditions, maintaining decentralized intelligence, automatic self-test, and bi-color LED status indication.
| Specification | Details |
|---|---|
| Part Number | 802177.IN |
| Description | Fixed heat detector IQ8Quad FM Class B w/ isolator |
| Operating Voltage | 8-42 VDC (loop-powered) |
| Quiescent Current | 40 μA @ 19 VDC |
| Alarm Current | 18 mA @ 24 VDC (no comms) |
| Response Threshold | Fixed +65°C (EN 54-5 Class B) |
| Coverage Area | Max 30 m²; Height 6 m |
| Air Velocity | 0-25.4 m/s |
| Temperature Range | -20°C to +65°C |
| Protection Rating | IP43 (w/base + option) |
| Material | PC/ABS housing |
| Standards | EN 54-5 Class B, FM Approved |
















