Electric Strike For Use With Mortise/Cylindrical Locksets Performance Heavy-Duty Failure Mode Fail Secure Input Voltage 24 V AC/DC Door Frame Type Aluminum/Hollow Metal/Wood Faceplate Width 1 3/4 in Faceplate Height 6 in Faceplate Depth 1/4 in Pull Force 1 500 lb Grade 1 Fire Rated Yes Finish Stainless Steel Material Stainless Steel Bolt Throw 3/4 in Strikes 250 000 Cycles Standards ANSI 156.5 Grade 1 UL 1034 Includes Plug Connector