Fail Release Door Lock

When looking at fail safe locks this means that it s default state is actually unlocked.

Fail release door lock.

Should the power be interrupted or fail the door automatically unlocks or releases to let people out of the space. With no moving parts to bind or wear out the security. To keep it locked during normal business operations power is applied. If the door lock actuators fail they will disable the power door lock feature from working.

The door lock will fail safe enabling you to have free egress without a hitch. However vehicles without door lock cylinders will not be able to lock or unlock the doors until power is restored. For vehicles with traditional style door lock cylinders and keys a bad power door lock relay will merely disable the power door lock feature. The latch stays in a retracted position as long as power is applied but as soon as power is.

Another symptom of a potential problem with the door lock actuators are power door locks that do not function. Power door locks do not function. Fail safe and fail secure strikes are available. 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.

For vehicles equipped with door lock cylinders the door can still be opened using the key. Electric deadbolts provide superior security and safety and include fail safe operation for doors and gates.