24 Eaton 9355 UPS (10/15 kVA) User’s Guide 164201594—Rev H0
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Read and understand the following notes while planning and performing the installation:
WARNING
As a result of the connected loads high leakage current is possible. Connection to earth ground is required for
safety and proper product operation. Do not check UPS operation by any action that includes removal of the
earth (ground) connection with loads attached.
• Refer to national and local electrical codes for acceptable external wiring practices.
• For external wiring, use 90°C copper wire.
IMPORTANT
This product has been evaluated for use with copper wire only. For external wiring, use only 90°C copper wire.
Wire sizes listed in Table 4 through Table 6 are for copper wiring only. If wire is run in an ambient
temperature greater than 40°C, larger size wire may be necessary. Wire sizes are based on using the
specified breakers.
• Recommended wire sizes are based on NFPA National Electrical Code
®
(NEC
®
)70 Table 310.15(B)(16) 90°
C ampacity with 40°C ambient correction factors.
• Input neutral must be wired for proper operation. Failure to connect an input neutral will void the warranty.
If the optional input transformer is installed, an input neutral is not required.
• The Eaton 9355 UPS is a single-feed UPS only.
UPS Installation Plan and Unpacking
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