normally open and closed

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RX wiring on all L9000 locks with RX switch manufactured after January 2, 2017:The L-Series switched to a handed modular three-wire request to exit (RX) switch. This change was originally completed...
Specific to the RX switch installed into the L9080EL/EU and L9082EL/EU and L9000 mechanical locks prior to January 2, 2017:ALL PART NUMBERS BELOW DISCONTINUEDThe L-Series switched to a three-wire r...
For the older 17/18 or current 19 device per instructions :  Red - Normally Open  Green - Common   Black - Normally Closed
For 24/25 devices per instructions :   Violet - Normally Open   Black - Common   Gray - Normally Closed
Falcon began offering an RX switch with its electrified functions beginning January 17th 2012.  To specify, add "RX" to the end of the part number. Example:  Storeroom Function, Fai...
The MA RX features a single switch within the chassis that will monitor both the inside and outside knob/lever.  The switch is only available as Normally Open (NO).
In a push button type switch (RX or LX), in which the contacts remain in one state unless actuated, the contacts can either be normally open (abbreviated "n.o." or "no") until closed by o...
If an ME Series closer creeps shut or will not hold open, Verify proper voltage is being supplied to the closer, if correct Check the on/off switch. Verify the voltage on the 2 pin co...