Hold-open function 128
The latch bolt controlled locking pin in the centre of the keeper keeps the electric strike unlocked until the door is opened, even after contact has been made.
Electric strike 128
Adjustable keeper (FF, FaFix®), Fail-locked, Hold-open function
Electric strike 128E
Adjustable keeper (FF, FaFix®), Mechanical unlocking (E), Fail-locked, Hold-open function
Electric strike 128K
Adjustable keeper (FF, FaFix®), Fail-locked, Hold-open function
Electric strike 128.500
Fail-locked, Hold-open function, Drill hole offset by 1 mm
Electric strike 128E500
Mechanical unlocking (E), Fail-locked, Hold-open function, Drill hole offset by 1 mm
Electric strike 128.505
Fail-locked, Hold-open function, Bi-directional diode, Drill hole offset by 1 mm
Electric strike 128E505
Mechanical unlocking (E), Fail-locked, Hold-open function, Bi-directional diode, Drill hole offset by 1 mm