
For external wiring requirements, including the minimum size of external wiring, seeTable
Basic unit rating at 0.9 lagging pF load |
| Units | Rating 50/60 Hz | ||
| kVA | 225 | 275 | ||
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| kW | 202 | 247 | |
Input and output voltage |
| Volts | 400/400 | 400/400 | |
AC input to UPS rectifier (0.98 Min. pF) |
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Full load current plus battery recharge current |
| Amps | 373 | 456 | |
(3) phases, (1) ground | A | ||||
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Minimum conductor size |
| mm2 | 120 | 150 | |
Number per Phase |
| (each) | (2) | (2) | |
AC input to UPS bypass |
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Full load current |
| Amps | 336 | 410 | |
(3) phases, (1) | B | ||||
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Minimum conductor size |
| mm2 | 120 | 150 | |
Number per phase |
| (each) | (2) | (2) | |
DC input from battery to UPS |
| Amps | 475 | 650 | |
(1) positive, (1) negative c | C | ||||
minimum conductor size |
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| mm2 | 240 | 300 | ||
number per pole |
| (each) | (2) | (2) | |
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AC output to critical load |
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full load current |
| Amps | 290 | 400 | |
(3) phases, (1) | D | ||||
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minimum conductor size |
| mm2 | 120 | 150 | |
number per phase |
| (each) | (2) | (2) |
NOTE callout letters A, B, C, and D map to figure
Table
Read and understand the following notes while planning and performing the installation:
•Refer to national and local electrical codes for acceptable external wiring practices.
•Material and labor for external wiring requirements are to be provided by designated personnel.
•For external wiring, use 70°C copper wire. See the appropriate information inTable
•The bypass feed into this equipment uses three or four wires.The rectifier feed into this equipment uses three wires.The phases must be symmetrical about ground (from a Wye source) for proper equipment operation.
•If the load requires a neutral, a bypass source neutral must be provided. If the load does not require a neutral and there is no neutral conductor connected at the bypass input, a neutral to ground bonding jumper must be installed. DO NOT install both a source neutral and a bonding jumper.
•The UPS cabinet is shipped with a debris shield covering the ventilation grill on top of the unit. Do not remove the debris shield until installation is complete. However, remove the shield before operating the UPS. Once the debris shield is removed, do not place objects on the ventilation grill.
1027212 | UPS 225 - 275 kVA | 15 |
Revision B | User’s and Installation Guide |
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