802171.IN

The Esser 802171.IN is the FM-approved version of the IQ8Quad fixed heat detector with integrated isolator, specifically certified for industrial applications requiring Factory Mutual (FM) standards.​
It maintains the same fixed temperature response (Class A1S, +58°C) and features as the standard 802171, including decentralized intelligence, automatic self-test, CPU failure mode, and bi-color LED status indication, but with enhanced FM certification for hazardous locations.
 
Specification
Details
Part Number
802171.IN ​
Description
Fixed heat detector IQ8Quad FM w/ isolator ​
Operating Voltage
8-42 VDC (loop-powered) 
Quiescent Current
40 µA @ 19 VDC 
Alarm Current
18 mA @ 24 VDC ​
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 
Certifications
EN 54-5 A1S, VdS, BOSEC, FM Approved ​
Dimensions
Ø 117 mm × 49 mm H (62 mm w/base) ​