Fail Release Door Lock

To keep it locked during normal business operations power is applied.

Fail release door lock.

The latch stays in a retracted position as long as power is applied but as soon as power is. With no moving parts to bind or wear out the security. Fail safe and fail secure strikes are available. Electric deadbolts provide superior security and safety and include fail safe operation for doors and gates.

If the door lock actuators fail they will disable the power door lock feature from working. Another symptom of a potential problem with the door lock actuators are power door locks that do not function. The sdc electromagnetic lock is suited for interior doors perimeter exit doors and entrances that require failsafe emergency release capability compatible with any access control system sdc 1500 series magnetic door locks meet the demands of security professionals and the most rigorous building and fire life safety codes in the world. When looking at fail safe locks this means that it s default state is actually unlocked.

For vehicles equipped with door lock cylinders the door can still be opened using the key. Most fail secure locks use a technology known as electric latch retraction el which basically means that power is required to retract the latch and unlock the door. For vehicles with traditional style door lock cylinders and keys a bad power door lock relay will merely disable the power door lock feature. This will require the driver to use the key to lock or unlock the doors and can disable the power door.

Deadbolt options include lock sensor door sensor or lock and door sensor models to indicate status of the lock locked unlocked and or door open closed. However vehicles without door lock cylinders will not be able to lock or unlock the doors until power is restored.