fire alarm lock

RELATED FAQS

Question
Answer
Use a normally closed fire alarm as the input to the power supply option board (PS873-2 or PS914-2RS), this will hold the latch retracted.  During a fire alarm, the contact will open, dropping...
The Von Duprin Chexit device will not automatically rearm itself after a fire alarm clears.  After a Fire Alarm has triggered the Von Duprin Chexit device, the device must be manually reset&nb...
 The Basic PS914 power supply will not accept a 900-FA fire alarm board. 900-8F option board is required with PS914 power supply to accept 900-FA fire alarm board (900-8F is an adaptor board for...