Factory Direct 2 or 4 Wires Conventional Fire Alarm System Heat Detector Sensor Heat Alarm
Factory Direct 2 or 4 Wires Conventional Fire Alarm System Heat Detector Sensor Heat Alarm
Factory Direct 2 or 4 Wires Conventional Fire Alarm System Heat Detector Sensor Heat Alarm
Factory Direct 2 or 4 Wires Conventional Fire Alarm System Heat Detector Sensor Heat Alarm
Factory Direct 2 or 4 Wires Conventional Fire Alarm System Heat Detector Sensor Heat Alarm
Factory Direct 2 or 4 Wires Conventional Fire Alarm System Heat Detector Sensor Heat Alarm
Factory Direct 2 or 4 Wires Conventional Fire Alarm System Heat Detector Sensor Heat Alarm

Factory Direct 2 or 4 Wires Conventional Fire Alarm System Heat Detector Sensor Heat Alarm

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Product Overview

Description



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Products Description


Features HD503-2 WIRED HEAT DETECTOR
1)Two fire LED allows 360°viewing
2)SMT adopted, high stability
3) Low standby current
4)Anti-RFI& Anti-EMI
5)2 wires or 4 wires optional
6)Alarm output: Remote led for 2 wires; relay output for 4 wires


Product Name
Conventional heat detector
Alarm Current
 2 WIRE:20~25 mA @12V / 40~50 mA @24V
4 WIRE:≤ 40 mA(relay NO) / ≤ 20 mA (relay NC)
Model
HD-503-2
Standby Current
2 WIRE: <50uA ; 4 WIRE:：≤ 50 uA (relay NO)/ ≤ 16 mA (relay NC)
Wire available
2 wires or 4 wires
Dimension
101 * 55mm
Alarm output
 Remote led for 2 wires; 
 Relay output for 4 wires
contact rating
  N/A for 2 wires; 
  0.5A@DC28V for 4 wires
Alarm temperature
  57℃
Certificate
CE


















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0.2016 s.