SIGNAL SWITCH AND RX

RELATED FAQS

Question
Answer
The RX monitors the push bar while the LX monitors the latch bolt of the exit device. A SS device has an LX and a key cylinder switch plus an emergency push bar signage.
The signal switch(S) will automatically be installed in an EL1490 and EL1590 devices when built at factory. Red, Green, and Black are the wires to the switch and are shown in the 1490 instructio...
No, Von Duprin exit alarm ALK and electric latch retraction QEL or EL are installed in the same location and can't be ordered together with the same device.
The RX switch is required to activate the ALK. The RX switch monitors the pushbar and will signal the ALK to go into alarm when the pushbar is depressed. The RX switch also allows free in...
DS
SS
SS, LX, RX