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iEM3100 / iEM3200 / iEM3300 series user manual Hardware and installation
DOCA0005EN-04 31
Three-phase systems with CTs and VTs
250 mA fuses and disconnect switch
Shorting block
VT primary fuses and disconnect switch
indicates wiring for a balanced system
Power system Wiring
3PH3W
2 VTs, 1 CT 2 VTs, 2 CTs 2 VTs, 3 CTs
3PH4W
3 VTs, 1 CTs 3 VTs, 2 CTs 3 VTs, 3 CTs
V1V2V3Vn
V1V2V3Vn
V1V2V3Vn
V1V2V3Vn
V1V2V3Vn
V1V2V3Vn