Accentra (Yale) MO5491LN-24V-626-SC-KD Fail Secure 24V Electrified Cylindrical Lever Lock, Monroe Lever, Schlage "C" Keyway, Keyed Different, [2] Keys, 2 3/4 Backset, ASA 4 7/8 Strike, Grade 1, Non Handed, US26D Satin Chrome Finish

Electric locks provide the ability to electrically lock or unlock the outside trim from a remote location. Fail Secure locks are used on perimeter doors or security doors to allow ingress using access control technologies (proximity cards, keypads, etc.)