Also called fail locked or non fail safe.
Fail safe door hardware definition.
Fail safe means that a device will not endanger lives or property when it fails.
Most products provide free egress whether they are fail safe or fail secure see below.
An electric strike replaces the regular strike for a lockset or panic hardware.
Unlike fail safe fail secure means that if the power is interrupted or fails the door stays locked.
Fail safe and fail secure are distinct concepts.
To keep it locked during normal business operations power is applied.
Why build a delayed egress system.
Fail safe locks are unlocked when the power goes out i e they require power to lock the door.
In this configuration applying electric current to the strike will cause it to unlock.
The most frequently used locking device in a component based delayed egress system is the electromagnetic lock.
So with a fail secure system the door remains locked unless it is manually overridden.
In this configuration the strike would remain locked in a power failure but typically the mechanical lock can still be used to open the door from the inside for egress from the secure side.
Fail safe electric locking devices are used wherever doors must remain unlocked in the event of a fire or other life safety emergency.
Fail safe fail secure refers to the status of the secure side key side outside of the door.
Fail secure locks are most often used for it rooms or other sensitive areas.
Most products provide free egress whether they are fail safe or fail secure.
Fail safe locks when looking at fail safe locks this means that it s default state is actually unlocked.
For a fail secure system the default state is locked or secured.
Fail safe fail secure refers to the status of the secure side key side outside of the door.
Sometimes the approaches suggest opposite solutions.
Should the power be interrupted or fail the door automatically unlocks or releases to let people out of the space.