Installation (cont.)
1200kVA external maintenance bypass cubicle
A | B |
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| Q3BP | G |
H |
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| Q5N |
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I |
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L |
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AA
C
G
H
E
F
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| Q3BP |
| Q5N |
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| 1 | 2 | ||
| Q3BP + 1 |
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| XM8 |
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MISI 1 | Q3BP - 2 |
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| Q3BP + 1 |
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MISI 2 | Q3BP - 2 |
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MISI 3
MISI 4
Key to figure:
AA:
B: cubicle front view,
C: front panel,
E: connection of auxiliary wires to signal the position of switches Q5N and Q3BP,
F: connection of UPS load outputs,
G: connection of the maintenance bypass line,
H: connection of load,
I: air outlet grid,
J: openings of 460 x 204 mm for cable insertion,
L: top view of cubicle.
Important. The power cables between each UPS and the upstream protection devices must be the same length. The same holds for the power cables between each UPS cubicle and the external maintenance bypass.
TNC option: connection of the PEN conductors to the UPS neutral bar.
6739381EN/
