APPLICATIONS: - typical in doors which are unlocked in day time and electrically locked in night time -Â used in exterior doors of commercial buildings and industrial premises - in fire rated doors - can be used with door automatics
FUNCTION: Door can be opened when the electrical control is on (e.g. timer) and always by key. Lock case has two bolts, which can be controlled individually. Double-action bolt for day time locking and the strong deadbolt for night time locking.