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Allen Bradley 1769-L30ER NEW ORIGINAL 1769L30ER
The coupling unit CM-IVN is designed to extend the nominal voltage range
of the insulation monitoring relay CM-IWN.1 up to 690 V AC and 1000 V
DC. The coupling unit can be connected to the system to be monitored by
means of the terminals VL+ and VL-. The terminal Vw has to be connected
to the earth potential. The terminals L+, V1+, L-, V1-, VS and VE have to
be connected to the CM-IWN.1 as shown in the connection diagrams
below. Supply systems with voltages Un = 0-690 V AC (15-400 Hz) or
0-1000 V DC can be connected.
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