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Polyphase Switchboard WaHhour Meters
GEH764A8
SCHEMATIC CONNECTION DIAGRAMS
Source
ll1
� 81 At
Cu!"'l'"&nt
Trtonsformcr
Load
I
.
I
L_2_J
With Current Transformers
Source
IS1 A] 81A1
Fuses
Lollid
L_?_J
With Current and Potential Transformers
Fig. 16. Connections for Types DS-19 and DS-34, 4-wire, 2-phase (back views)
Sourc•
N 3 2 1
Baek view
Loed
Currant
tref'lafom'lcr
L_�_j
With Current Transformers
Load
With Current and Potential Transformers
Fig. 17. Connections for Types DS-19 and DS-34 for 4-wire Y, 3-phase circuits (back views)
Source
N 3 2 1
Load
1
Current
Transformer
,-6-l
I
L�
_
_j
With Current Transformers
LOed
I
i
L�_j
With Current and Potential Transformers
Fig. 18. Connections for Types DS-20 and DS-35, 4-wire Y, 3-phase (back views)
13
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