Medeco 65-2150T- 011-26-60 Satin Chrome 26D On/Off 1 Key Pull Position, the 1 KEY PULL POSITION means the key has to stay in to keep it in the ON position mode, High Security 3/4" Diameter Micro Switch Lock, specially designed to offer a wide range of electrical functions with the physical security and patented key control of a Medeco cylinder. This lock comes with 1 key, the leads are sold separately, and it requires 2 leads per switch. This switch lock is ideal for applications requiring controlled access to electrically activated systems like alarms, ATM's, time delay safes, encryption devices, heavy powered equipment, control panels, and electrically accessed doors and gates. The Medeco unique design provides triple locking action, making this lock virtually pick proof. This lock is UL 437 Listed, and the switch is UL registered, and CSA certified. This micro switch lock features a five pin tumbler, a 3/4" double "D" mounting standard, and it is rated at 7 amps resistive at 125/250 VAC. All Medeco keys and locks are protected under patent, trademark, and copyright laws.