Lectra Electrified Locks from Marks USA are suited for stairwell doors, man-traps, hospitals and receptionist buzz-in applications. They are available in both mortise and cylindrical solenoid-operated locks in 12 or 24 VDC. Durable, Grade 1 Lectra locks feature easy installation, concealed latches for greater security, and fail-safe and fail-secure models. Lectra mortise models offer various modes of operation and lock information such as Request to Exit (REX) and key override switch and/or latch bolt sensor. Lectra locks are ADA-Compliant, meet ANSI/BHMA 156.2 and are UL listed for a three-hour fire rating.