Electromagnetic Door Holder, Flush Mount, Die Cast Metal, Amp Draw @ 24V .015, Input Voltage 24VAC/DC, 120VAC, Projection from Wall In. 13/16, Total Projection In. 2-5/8, Holding Force Lb. 25 to 50, Lock Body Length In. 4-5/8, Lock Body Width In. 2-3/4, Lock Body Depth In. 13/16, Strike Plate Length In. 2, Strike Plate Width In. 2, Strike Plate Depth In. 1-5/8, Mfr. Series 1505, Powder Epoxy Aluminum Finish, Standards UL Listed FM Approved, For Use With Fire Panels