Escape door strike 331U80F Overview of Advantages Monitoring contact Recovery diode Reliable unlocking under preload FaFix® latch with 2 mm adjustment range Integrated monitoring and armature contact Sturdy design for demanding requirements Note Can only be used as a supplementary locking device on fire doors Related products Escape door strike 331U80Monitoring contact (RR), Diode (05), Fail-unlocked, Armat…