MULTISAFE 854 - the automatic lock Close the door and two hook bolts simultaneously swing out and lock in place securing the door at multiple locking points – a force to be reckoned with. This mechanism also helps to prevent any warping of the door.
This lock can be equipped with additonal roller cams. It works with one-piece or split strike plates.
Function Automatic locking by closing the door and unlocking via the lever. To protect the locking the main dead bolt is extended by the cylinder key afterwards. For unlocking, the main dead bolt will be retracted via the cylinder key and by the lever activated. If the hook bolts are not extended, because of a warped door for example, you have got the possibility to put the hook bolts in the endposition via lever operating.