dual monitoring switch low current

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The DS is Dual Monitor Switch for Von Duprin 6000 series electric strikes. DS option cannot be added to a Von Duprin 6000 series electric strikes in the field. It is only available factory inst...
The ND-Series RX,  the L-Series RX and latch monitoring switches are Form C - Single Pole Double Throw (also known as SPDT).
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.
Use a multi-meter in series with the batteries to measure battery current.  Be sure your multi-meter can accurately measure very low current, in the micro-amp range. See the attached Technical Not...
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...
LC