4-Wire Rate-of-Rise and Fixed Temperature Heat Detector

Our HM-203HC-4 product is the 4-wire network rate-of-rise and fixed temperature heat detector. Adopting the dual alarm mode, it is suitable for combustion heat emission status alarm of any object. When the environmental temperature goes up to the alarm threshold of 57℃ (135°F), or the rate of rise of temperature reaches 15°F (8℃) per minute, the product is triggered to alarm, and outputs a group of dry contact signal to the alarm controller.

The LED indicator lights when the 4-wire rate-of-rise and fixed temperature heat detector raises the alarm. The product provides the options of resetting after the power off and automatic resetting. The relay output of the product is also set to be normally open or normally closed in accordance with the requirements. For the reason of fire giving rise to power outage often, the use of normally closed output is recommended.

Related Names
Intelligent Dual Heat Detector | Thermal Fire Detector | Rate-of-rise Heat Detector