Hold-open function 24ATP
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 24.400
Diode (05), Fail-locked, Hold-open function, ATP (anti-panic)

Electric strike 24.400-20105
Diode (05), Fail-locked, Hold-open function, ATP (anti-panic)

Electric strike 24.460
Monitoring contact (RR), Fail-locked, Hold-open function, ATP (anti-panic)

Electric strike 24.460-20105
Monitoring contact (RR), Fail-locked, Hold-open function, ATP (anti-panic)

Rim type housing no. 201 sbl201