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“ LX RX switch for QEL ”

Resolution: The RX switch is request exit and the LX switch is latch bolt monitor switch. They do not require a power supply directly. The electrified hardware that the RX or LX switch...:

Can a pneumatic (PN) 33A/35A/98/99 exit device use the RX or LX switches?

Resolution: PN33/35/98/99 Pneumatic exit devices are not usually used with RX or LX switches since the Pneumatic PN device is used instead EL to eliminate the electric from the device.:

What is the difference between Von Duprin LX and/or RX switches and the Signal Switch SS option?

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 QEL and RX be added to an existing 9927?

Resolution: The QEL conversion kit (3' or 4') and the RX switch kit (050251-00) can convert the 9927 to QEL-RX9927 device.:

What are the Von Duprin part numbers for RX, LX and RX,LX-LC switch kits for field installation?

Resolution: The attached table shows the part numbers for LX-RX and LX-RX-LC switches field installed.:

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“ LX RX switch for QEL ”

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