Eaton 9355 UPS (10/15 kVA) User's Guide S 164201594 Rev D www.eaton.com/powerquality
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Chapter 5 Version 1 Wall-Mounted Bypass Switch
Installation
This chapter describes installing the wall-mounted bypass switch with
the UPS. The wall-mounted bypass switch is a Make-Before-Break
(MBB) maintenance bypass switch.
NOTE The input isolation transformer cannot be used with the wall-mounted bypass
switch.
The Eaton 9355 UPS UPS has the following power connections:
S 3‐phase (L1, L2, and L3), neutral, and ground connection for
rectifier/bypass input
S 3‐phase (L1, L2, and L3), neutral, and ground connection for load
output
The nominal input/output voltages are:
S 120/208 or 127/220 Vac
Output overcurrent protection and disconnect switch must be provided
by others.
Figure 26 and Figure 27 beginning on page 39 show the oneline
diagrams.
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