SDC 160IV Direct Throw Mortise Bolt Auto-Relock Failsafe 628
Security Door Controls 160IV Direct Throw Mortise Bolt Lock, Auto-Relock, Failsafe, 628
Automatic relock ball switches keep the bolt retracted while the door is open. The door depresses the ball switch on closure, causing the bolt to project automatically, locking the door. Additionally, ball switches are field adjustable to compensate for wide door gap and bidirectional to permit use on swinging and sliding doors.
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