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Fire Alarm System

Point type heat detector

JTW-ZD-920E

Product Features:

Built-in standalone CPU, quick calculating speed and excellent stability

Non-polarity two-wire bus to make cabling easy, and avoid wrong wiring

Sealed robber type of heat sensitivity component enhances anti-humidity and anti-erosion. 

Three sensitivity levels of the detector are optional at the control panel to suit different environments.


Three sensitivity levels of the detector are optional at the control panel to suit different environments.

Temperature rising compensation to improve responsive capacity upon different temperature rising status.

Special production process to make the device work at high temperature, high humidity and high altitude environment

ESD static protection grade 12000V, strong anti-interference ability


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Technical Parameters:
Operating EnvironmentIndoors,temperature:-10℃~+50℃;relative humidity:≤95%(40℃±2℃,non condensing)
Operating VoltageTwo-wire Bus 24V
Operating Current

Monitoring:<300uA;Alarm:<1.5mA

IndicatorBlinks when polling and keeps on when alarming
WiringTwo-wire Bus system
MountingCeiling-mount
DimensionDiameter 100mm, height 56mm
Matched BaseDZ-910
Alarm temperature54℃~70℃
CodingAddressable
CertificationCCC (GB4716-2005)