Explosion proof emergency start stop action button is a kind of non-coding manual alarm button switch , which explosion-proof performance in line with GB3836-2000 series of standards, inspected by the state designated inspection units, and acquired explosion-proof certificate. Emergency start/ stop action button is available in 1 and 2 Zone hazardous locations which include Class Ⅱ A, B, C class T1 ~ T6 temperature group explosive gas environment.
Explosion-proof emergency start stop button is a indispensable equipment in explosion-proof fire alarm system ,consist with the fire alarm control panel and other equipment to be fire alarm system. When the protection area is in fire, press the emergency start button to send a signal to the gas fire control panel, control panel emit gas extinguishing gas spray command, by the delay, start spraying the gas solenoid valve. During the delay, if the site staff confirmed that no fire occurs, press the emergency stop button immediately move to terminate the start.