Electric Strike For Use With Mortise/Cylindrical Locksets with Deadlatches Performance Heavy-Duty Failure Mode Fail Safe or Fail Secure Input Voltage 12/24 V AC/DC Door Frame Type Metal/Wood Faceplate Width 1 1/4 in Faceplate Height 4 7/8 in Faceplate Depth 1/8 in Pull Force 3 000 lb Grade 1 Fire Rated 3 hr Finish Satin Stainless Steel Material Stainless Steel Bolt Throw 3/4 in Strikes 1 000 000 Cycles Standards ANSI/BHMA A156.31