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Normally open locks are open in case of power loss, so they are used at premises with high demands for guaranteed opening of doors and easy evacuation – for fire exits, stairs, elevators, hallways, child care centers, educational and health facilities. It is advisable to use a normally open door locks at offices where both the entrance and the exit are performed with the use of a card, and a key is used for reserve opening. In case of fire, when the lines of communication and electrics fail, it will unlock automatically, the use of a key is not needed.
PERCo-LB85.2 lock has a unique construction, allowing control cable installation through the strike plate in the door frame and not through the whole door leaf. This makes installation easier and provides aesthetically pleasing exterior of the door without using adaptors.
Stable lock operation in case of door leaf deformation due to the seasonal factor is provided by the moving contact system and neodymium magnets, designed in the lock construction.
Locks are multi-purpose as they can be installed both to the right-hand and to the left-hand doors.
The warranty period is 5 (five) years from the date of sale of the product.
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