UPS INSTALLATION PLAN AND UNPACKING
Eaton 9395 UPS (450–825 kVA) Installation and Operation Manual
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164201725 Rev 4
www.eaton.com/powerquality
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If the power rating listed on the nameplate of the installed UPS is not found in the
following tables, wire the UPS using the fully rated specifications. Otherwise,
calculate the required wire, conduit, and breaker sizes using the following guidelines
in addition to those already listed in paragraph 3.2.2:
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Select wire size according to the UPS nameplate.
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Do not use wire larger than the largest size listed in Table 3‐4 through Table 3‐8.
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Use terminal recommendations from Table 3‐11 through Table 3‐14.
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Size and number of conduits must not exceed those listed in Table 3‐15.
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Select overcurrent protection input, battery, and output breakers according to the
UPS nameplate rated for either 80% or 100%.
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Follow all applicable NEC and local codes.
For three UPM external wiring requirements, including the minimum AWG size of
external wiring see:
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Table 3‐4 for common battery system installations
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Table 3‐5 for separate battery system installations
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Table 3‐8 for separate rectifier feed installations
Wire sizes listed are for copper wiring only.
For two UPM external wiring requirements, including the minimum AWG size of
external wiring see:
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Table 3‐6 for common battery system installations
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Table 3‐7 for separate battery system installations
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Table 3‐8 for separate rectifier feed installations
Because of the future upgradability to a fully rated 825 kVA UPS with the addition of
the FI-UPM, the UPS wiring is specified for 825 kVA in Table 3‐6 and Table 3‐7.
Wire sizes listed are for copper wiring only.
