Recommended to be used in exterior doors where it is of high priority to combine the electric motor locking device with improved security. Protection against lifting the door is ensured by thrown hook bolts placed on the lower and upper part of the door leaf.

Primary area of use are entrance doors, security doors, fire rated doors and automated doors. Status feedback is ensured by a separate control unit. The bolts are operated by built-in micro motors. The lock is always openable by cylinder with a key.