Manufacturer Yale ASSA ABLOY Model B-AU5491LN-24V-626-REX Lock Functions 5491LN Fail Secure: Power on unlocks outside lever. Inside lever always active. Latchbolt retracted by key when power is off. Free Wheeling lever when power is off (locked). Electrical Specifications Continuous duty solenoid 150 mA @ 24VDC Handing Non-Handed Operating Voltage 24VDC Mode of Operation Fail Secure Monitoring Options Request to Exit – Operating inside lever handle triggers REX switch which can be used to shunt an alarm, monitor egress or release a magnetic lock, etc. ANSI/BHMA Certified ANSI/BHMA Grade 1 U.L. Listed UL listed. Warranty 2-year limited warranty Weight 8.0000