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Appendix 6 Wiring Diagram 119
NetSure 801 CA7 Power Supply System (New Skelecton) User Manual
2
1
3
2
U
V
2 3 1
1
W34
W33
W32
W
1
3
3 1 2
3
2
1
1 2 3
1
3
2
2 3
2
1
3
Three-phase copper bar
MCB quantity
≤3
MCB quantity
>
3
1. Under this circumstance, no need to use busbar,
Technical requirement:
2. Upon wiring, follow the sequence of U--1, V--2, W--3.
1.Under this circumstance, busbar should be used under the MCB,
choose the busbar pole according to actual configured MCBs.
Technical requirement:
U
V
W
W32
W33
W34
output MCB quantity of each entry cable is equal.
just use cable for connection directly as shown in the left figure.
2. Upon wiring, follow the sequence of U--1, V--2, W--3.
3.If there are more MCB poles and longer busbars, the cable
should be connected to the position near the middle of the busbar.
4. If the entry cable is more than one group, make sure that the
Figure 29 PD380/630AFA-7-Y4 wiring diagram 3