difference between lx-rx and lx-rx-lc


The RX-LC and LX-LC (Low Current) switches are used for current up to 0.05 amps at 24 VDC and the standard RX and LX switches are used for current greater than 0.05 amps up to 0.5 amps at 24 VDC.
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 attached table shows the part numbers for LX-RX and LX-RX-LC switches field installed.
Here is detailed information on why the Von Duprin RX-LC Swtich is required by the AD300 and AD400 993 units.   A low current switch is needed because … -     &nb...
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.
The hole should be drilled in the field once the end cap is located on the door.  It is a 5/8" hole, that is located 5/16" from the end of the mechanism case. See installation instruction of t...
RX switch is request exit and LX switch is latch bolt monitor switch. They do not required a power supply directly. The electrified hardware that RX or LX switch conne...