Model series 914U & 914ZY
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 914U-09
Adjustable keeper (FF, FaFix®), Adjustable electric strike (F, Fix®), Diode (05), Fail-locked

Electric strike 914U-13
Adjustable keeper (FF, FaFix®), Adjustable electric strike (F, Fix®), Diode (05), Fail-locked

Electric strike 914UR09
Adjustable keeper (FF, FaFix®), Adjustable electric strike (F, Fix®), Monitoring contact (RR), Diode (05), Fail-locked

Electric strike 914UR13
Adjustable keeper (FF, FaFix®), Adjustable electric strike (F, Fix®), Monitoring contact (RR), Diode (05), Fail-locked

Electric strike 914ZY
Adjustable keeper (FF, FaFix®), Fail-locked

Electric strike 91405ZY
Adjustable keeper (FF, FaFix®), Diode (05), Fail-locked