Teledata OPEN HOLD ELECTROMAGNET Holding Force 50Km And Aluminum HousingFDM5411F

FDM5411F is an aluminum-housed electromagnetic fire door holder. The aluminum case is more resistant to impact and high traffic compared to plastic-housed models; it extends service life in locations where doors are used repeatedly throughout the day, such as hospital, school, and shopping center corridors. When an alarm occurs, power is cut and the door closes via its own closer, creating the fire compartment.