Functional Features：

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The GM722 emergency start/stop button is installed at the entrance outside the gas fire extinguishing area, and the start button is pressed after the fire alarm is confirmed. It is used with GK652B/GK752 through the loop bus. After the signal is received by the gas fire extinguishing controller, the gas fire extinguishing device is started. During the startup delay time, when it is determined that the gas spraying command needs to be stopped, press the stop button. The start/stop button is of interlock design. The bus is non-polar.

Technical Parameter：

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Operating voltage: DC24V

Operating current: ≤1mA

Overall dimensions: 85mm×85mm×37mm

Usage environment：

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Temperature: -10℃~50℃

Relative humidity: ≤95%RH（40℃±2℃）