This item libo electric drop bolt lock dc 12v fail safe nc mode electronic door lock for access control security system with time delay.
Electric drop bolt door lock fail secure.
Some electric bolt locks have delay control and door magnetic detection function.
It s default state is locked or secured.
For most access control system projects it is recommended to use the electric drop bolt door lock fail safe and the power supply can be disconnected when the access control system fails and the fire protection requirements for power failure can be met.
Monitoring contacts bolt door.
Bolt length 12 7 x 16mm.
Large repelling magnets are located within the bolt and strike.
That s why it s called secure.
The position of the bolt must be monitored as well as have an integrated reed switch for door position monitoring.
Fail secure locks so in the end fail secure means that if the power is interrupted or fails the door stays locked.
When power is interrupted the bolt is retracted and held back by a spring.
No open when powered fail secure.
So a fail secure lock locks the door when power is removed.
Libo electric drop bolt lock dc 12v fail safe nc mode electronic door lock for access control security system with time delay 4 2 out of 5 stars 47 24 99.
The high torque motorised bolt can be concealed from view or surface mounted and has the world s first fail safe motor locking mechanism.
Acts as a dead bolt on side of door or top and bottom latch on double doors.
Should the spring fail repelling magnets eject the bolt from the strike unlocking the door.
Fs23m sdc spacesaver electric bolt lock narrow mortise dual failsafe csfm listed for 1 3 4 frame.
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Fail safe and fail secure.
The bolt moves into the v shaped strike plate allows for door misalignment of up to 7mm.
Lock can be powered by 12vdc 28vdc lock releases by a normally open dry contact.
With door close time delay function will lock until the door completely stop moving rather than lock instantly effectively protect the door and lock from damage fail secure mode the door will unlock while supplied with power and lock without power operating modes.