Manufacturer Yale ASSA ABLOY Model ARR8890FL-24V-LH-626-LC Lock Functions 8890FL – Power off outside lever active, Power on outside lever locked. Auxiliary latch deadlocks latchbolt. Inside lever always free. Mechanical key override by outside when locked Door Thickness Standard for 1-3/4″ thick doors. Backset 2-3/4″ only Case Wrought steel, zinc dichromated Handing LH – Left Hand Keying/Keyways Less Mortise Cylinder Latchbolt 3/4″ throw, stainless steel two-piece anti-friction camming action Exposed Trim AR Lever Handle: Cast Roses CO Rose: Stamped Mode of Operation Fail Safe Voltage 330 mA @ 24 VDC Electrical Specifications 330mA Peak @ 24VDC 612mA Steadystate @ 24VDC U.L. Listed UL Listed for use on fire doors having a rating up to and including 3 hours and for use on 20 minute wood doors. ANSI/BHMA Certified ANSI/BHMA A156.13 Grade 1 Warranty 2 Year Warranty Weight 8.0000