802171
The Esser 802171 is an IQ8Quad series intelligent addressable fixed heat detector with integrated isolator, designed for reliable fire detection in environments with high dust, smoke, or airflow.
It features a fast semiconductor thermistor sensor for Class A1S fixed temperature detection (response at +58°C), decentralized intelligence with automatic self-test, CPU failure mode, and bi-color LED (red alarm, yellow fault).
| Specification | Details |
|---|---|
| Part Number | 802171 |
| Description | Fixed heat detector IQ8Quad 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 +58°C (EN 54-5 Class A1S) |
| Coverage Area | Max 30 m²; Height 7.5 m |
| Air Velocity | 0-25.4 m/s |
| Temperature Range | -20°C to +50°C |
| Dimensions | Ø 117 mm × 49 mm H (62 mm w/base) |
| Standards | EN 54-5 A1S, VdS, BOSEC |
