The 7501 series electric strike is ideal for fire rated applications with preload conditions which may be caused by a warped or misaligned door, weather stripping, a smoke seal or any other condition that could cause door bind. The heavy duty stainless steel construction provides the strength and durability required to accommodate fire rated latchbolts up to 3/4" throw.PRODUCT FEATURES:•7501 Universal Electric Strike; includes faceplate for cylindrical locksets•Stainless steel construction •Tamper resistant•Keeper shims for horizontal adjustment •Internally mounted solenoid•7501 Plug-in connector •Trim enhancer DIMENSIONS (in.): Strike Body Depth: 1.6875 Strike Body Height: 4.8700 Strike Body Width: 1.2500 PRELOAD CAPABLE:•Preload release function allows smooth operation under loads on the door that often bind other electric strikes •Accommodates up to 15 pounds of preload (fail secure only)• Ideal for applications with preload caused by air conditioning pressure, changes in the weather, warped doors or doors with weather stripping ROBUST AND RELIABLE:• Static strength 1,500 lbs, Dynamic strength 70 ft-lbs • Endurance 1 million cycles VERSATILE DESIGN:•Works with both cylindrical latchbolts up to 3/4" throw •Field selectable fail secure/fail safe •Non-handed and includes plug in connector.FRAME APPLICATION:Metal/Wood.ELECTRICAL: .45 Amps at 12 VDC continuous duty .25 Amps at 24 VDC continuous duty.CERTIFICATIONS:ASTM E152 Fire Door Compliant ANSI/BHMA A156.31, Grade 1 NFPA-252 fire door Compliant UL 1034 Burglary-Resistant Listed UL 10C Fire-Rated, 3 Hour Single Door [Fail Secure Only] UL 294 Listed.WARRANTY:SecuriCare five-year, no fault, no questions asked warranty.