Dormakaba 3020-19-41 Pushbutton Lock | thebuilderssupply.com

Mechanical pushbutton lock - eliminates problems and costs associated with issuing, controlling, and collecting keys and cards. Provides exterior access by combination. Fullymechanical lock eliminates thematerial and labor expense of battery replacements. Adams Rite 4510/4710/4910 mortise latch. Single access code - one easy to manage code for all users. Lock is easily programmed via keypad without removing lock from the door. Non-handed; Required drive assembly is factory handed - not field reversible. Accepts Maximum Security (MS) mortise cylinders; can be used to override the lock combination and gain access using a key. Allows facilities to initiate or maintain a master-keyed security system (keyed alike or keyed differently). Mechanical retraction of latch upon entry of correct sequence of code or by turning of key. Front body is non handed (although drive assembly is). Reversible latch uses Adams Rite lock case. Protective clutch mechanism. Fast code change whilst unit fitted to door. Key by-pass function. Hold back facility via code & cylinder. Choice of backset sizes 24/28/38mm. Code disable feature by key. Suits doors 35-57mm thick. Outside Operation : Thumbturn on entry of code or key Inside Operation : Thumbturn/lever handle or paddle handle - free exit Number Of Codes : 1 Combinations : 1000+ Code Length : 1 to 5 Holdback : Yes (key) Latch : Operates with Adams Rite 4710/4720 mortice deadlatch