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“ SIGNAL SWITCH AND RX ”

Resolution: 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.:

Can the Von Duprin exit alarm ALK and electric latch retraction QEL or EL device be in the same device?

Resolution: 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.:

Does the Von Duprin ALK require the RX switch to operate?

Resolution: 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...:

DUAL SIGNAL SWITCH

Resolution: DS:

SIGNAL SWITCH

Resolution: SS:

SS SIGNAL SWITCH

Resolution: SS, LX, RX:

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“ SIGNAL SWITCH AND RX ”

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