You are here: PRODUCTS / Electric Strikes / Standard applications / Model 118®, 128, 138 / Fail-locked 118® Fail-locked 118® The door can only be opened while a contact is made. In alternating current operation, a humming noise is audible. In direct current operation, there is no noise. When mounting with a throw-open spring or throw-open bolt, the door is opened visibly after a contact is made. Electric strike 118Electric strike FaFix® adjustment range, Fail-locked Electric strike 118RRElectric strike FaFix® adjustment range, Monitoring conta… Electric strike 118EElectric strike FaFix® adjustment range, Fail-locked Electric strike 11805Electric strike FaFix® adjustment range, Fail-locked, Bi-…