11.2 Terminal Blocks and Power Cables
The terminal blocks are shown in Figure 11.2 and are located inside at the bottom of each
100/125/150/180/225kVA UPS.
External cable size and tightening torque are recommended in the Table 11.1~11.5. Only copper wires
are allowed for external cables.
1 | 2 | 3 | 4 | 5 | 6 |
| 7 | 8 | 9 | 10 |
| 11 |
| 12 | 13 | |||||||||
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U V W | U V W | N | U V W | N | - | + | ||||||||
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| AC INPUT |
| BYPASS INPUT |
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| AC OUTPUT |
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| BATTERY | ||||
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Figure 11.2 - Terminal Blocks of 100/125/150/180/225kVA UPS.
Table 11.1 Recommended Cable Size and Tightening Torque for 100kVA UPS.
| Block Number | Cable Size | Tightening Torque |
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| 1 | AWG 1/0 or larger | 3.2 |
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| 2 | AWG 1/0 or larger | 3.2 |
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| 3 | AWG 1/0 or larger | 3.2 |
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| 4 | AWG 1/0 or larger | 3.2 |
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| 5 | AWG 1/0 or larger | 3.2 |
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| 6 | AWG 1/0 or larger | 3.2 |
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| 7 | AWG 1/0 or larger | 3.2 |
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| 8 | AWG 1/0 or larger | 3.2 |
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| 9 | AWG 1/0 or larger | 3.2 |
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| 10 | AWG 1/0 or larger | 3.2 |
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| 11 | AWG 1/0 or larger | 3.2 |
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| *12 | AWG 3/0 or larger | 3.2 |
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| *13 | AWG 3/0 or larger | 3.2 |
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NOTE: Maximum cable size is 350MCM.
*One battery string (consult factory if using multiple battery strings).
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