Self-locking. Bolt 1-turn 20 mm, with steel latch, with split forced nut, without strike plate. Can be converted from DIN left to DIN right. Panic function selectable and adjustable.

Connection or corridor doors can be coupled or uncoupled during day and night operation of the outer door with a single turn of the key. The panic function allows exit from the panic side at any time. Suitable for use in commercial buildings (administrative buildings, nursing homes) or as secondary exit doors in schools and hotels.

Compatible with knob and free-running cylinders. No reduction sleeves for the lock nut/spindle are permitted. Do not use external mechanical bolt switch contacts.