Honeywell · Detectors

Honeywell Esser 761290 LWM-1 Linear Heat Detector

Brand: Honeywell
Model: 761290
Product type: Honeywell Heat Detector
Category: Detectors
System Type: —

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Product description

The LWM-1 is designed for early fire and overheating detection in confined spaces or harsh environmental conditions. The evaluation unit operates with a specialist sensor cable selected according to the application; loop connection and reset are handled via an esserbus transponder.

Key features

Maximum sensor cable length: 300 m
Detection for heat detector classes A1, A2, B and C
Compatible with specialist cables resistant to mechanical and chemical effects, corrosion, moisture and dust
Two volt-free relay outputs for fire and fault
Test button for alarm, fault and LED testing
Suitable for applications in explosive atmospheres

Technical specifications

Operating voltage	10–30 V DC
Standby current, 24 V DC	Approx. 25 mA
Alarm current, 24 V DC	Approx. 25 mA (DIFF or MAX alarm)
Start-up current, 24 V DC	< 100 mA
Maximum sensor length	300 m
Temperature range	-20 °C to 50 °C
Relative humidity	< 95%, non-condensing
Protection rating	IP 65
Housing material and colour	ABS plastic, grey similar to RAL 7035
Dimensions	W: 200 mm, H: 120 mm, D: 80 mm