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30 DOCA0005EN-04
Hardware and installation iEM3100 / iEM3200 / iEM3300 series user manual
Three-phase systems with CTs
250 mA fuses and disconnect switch
Shorting block
indicates wiring for a balanced system
1PH2W L-L
1PH3W L-L-N
1PH multiple loads with neutral
(1PH4W Multi L-N)
1
2CTs 3CTs
1
The 1PH4W Multi L-N wiring type is only available on the iEM3235, iEM3250, iEM3255, iEM3265 and iEM3275
Power system Wiring
V1V2V3Vn
(I1)
S1
(I3)(I2)
S2
L1
L2
480 V L-L
V1V2V3Vn
(I1)
S1
(I3)(I2)
S2
L1
L2
N
S1 S2
277 V L-N
480 V L-L
V1V2V3Vn
(I1) (I3)(I2)
277 V L-N
V1V2V3Vn
(I1) (I3)(I2)
277 V L-N
Power system Wiring
3PH3W
1 CT 2CTs 3CTs
3PH4W
1 CT 2 CTs 3CTs
V1V2V3Vn
480 V L-L
V1V2V3Vn
480 V L-L
V1V2V3Vn
480 V L-L
V1V2V3Vn
277 V L-N
V1V2V3Vn
277 V L-N
V1V2V3Vn
277 V L-N