1) Working voltage: 220VAC 50Hz, 24VDC 2) Max. current: 5A 220V 50Hz, 8A 24VDC Feature:This fire alarm is a special conflagration alarm set used for artificial start in the system of self-motion conflagration, eyewitness only need to broke face-plate glass of conflagration button in strength, then can make conflagration signal sending to the controller and give out the part of conflagration. At ...