These door bolts are designed for interior use and should be fitted vertically at the top of the door frame.
Locking is performed by a13 mm diameter extension locking bolt.

Fail unlocked use, 12 or 24V DC operation; without counterpart.
With integrated monitoring contact (bolt thrown/extended fully).
Suitable for revolving and swing doors.
Additional locking to main lock.
Continuous duty (100% ED).