Von Duprin electric strikes are known for their reliability, durability and security. The 6100 series strikes are designed to withstand abuse. Their heavy-duty stainless steel construction is UL1034 listed, burglary-resistant. 6100 series electric door strikes are designed for use with a variety of rim exit devices including rim nightlatch. Electrified strikes allow remote release of a locked door by activating a movable lip (keeper) using an entry/exit button or credential reader and can be a cost effective means for managing access. 6100 series strikes come standard as 24 VDC in fail secure mode. Use 6100 series electric strikes for retrofit applications or new construction. When using a lockset not listed or if retrofitting a strike to an existing application, please contact Von Duprin technical support for application assistance. Five configurations available for rim exit and nightlatch devices. Strike box allows horizontal adjustment to compensate for misalignment of the door or frame. UL listed for 3 hours on single door and 90 minutes on a pair of doors.