Model range 934U
The electric strike is locked for as long as the power is on. If the power is switched off or if there is a power cut, the keeper can be moved and the door can be opened.

Electric strike 934U-09
Adjustable keeper (FF, FaFix®), Adjustable electric strike (F, Fix®), Diode (05), Fail-unlocked

Electric strike 934U-13
Adjustable keeper (FF, FaFix®), Adjustable electric strike (F, Fix®), Diode (05), Fail-unlocked

Electric strike 934UR09
Adjustable keeper (FF, FaFix®), Adjustable electric strike (F, Fix®), Monitoring contact (RR), Diode (05), Fail-unlocked

Electric strike 934UR13
Adjustable keeper (FF, FaFix®), Adjustable electric strike (F, Fix®), Monitoring contact (RR), Diode (05), Fail-unlocked