The 4530 Standard Duty Deadlatch offers flexibility of traffic control during and after business hours. A reverse turn of the key while the bolt is held retracted retains the bolt to allow two-way traffic for hospitals, banks, stores, and other buildings which require free entrance at certain times and exit-only at other times. 4530 Deadlatches are designed to fit without alteration, the stile cutout for older MS1850 Deadlocks and discontinued 4250 Deadlatches of same backset. Turn key or operate handle to retract spring-loaded Latchbolt. To hold bolt retracted, push it in and secure by reverse turn of key. Uses any standard mortise cylinder with MS cam. Standard strike furnished is 4901-01 for flat jamb. Available in three cylinder backsets, 7/8 In., 31/32 In. and 1-1/8 In.. Individually boxed with strike and machine screws for mounting. Cylinders, paddles, and handles available separately.
4530 Standard Duty Deadlatch