Model Range 9318, 9338

Supplementary locking system 9318
Adjustable keeper (FF, FaFix®), Fail-locked, Bi-directional diode, Weak latch bolt spring, Noise reduction

Supplementary locking system 9318RR
Adjustable keeper (FF, FaFix®), Monitoring contact (RR), Fail-locked, Bi-directional diode, Weak latch bolt spring, Noise reduction

Supplementary locking system 9338
Adjustable keeper (FF, FaFix®), Fail-unlocked, Weak latch bolt spring, Noise reduction

Magnetic bolt counterpart

Supplementary locking system 9338RR
Adjustable keeper (FF, FaFix®), Monitoring contact (RR), Diode (05), Fail-unlocked, Weak latch bolt spring, Noise reduction