Fail-unlocked 138 ProFix® 2 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 electric strike latch can be moved and the door can be opened. Electric strike 138.13Electric strike FaFix® adjustment range, Fail-unlocked Electric strike 138.23Electric strike FaFix® adjustment range, Monitoring conta… Electric strike 138.53Electric strike FaFix® adjustment range, Fail-unlocked,… Electric strike 138.63Electric strike FaFix® adjustment range, Monitoring conta…