38 Eaton 9155 UPS (8–15 kVA) User’s Guide 164201553—Rev H0
9. Continue to paragraph 4.3.4.2 Wiring the MBM/PDM.
Figure 23. Securing the MBM or PDM
Screws to L-Bracket
(three each side)
Screws for
Top of Module
NOTE: MBM shown
44..33..44..22 WWiirriinngg tthhee MMBBMM//PPDDMM
The Eaton 9155 UPS has the following power connections:
• 2-phase (L1 and L2), neutral, and ground connection for rectifier/bypass input
• 2-phase (L1 and L2), neutral, and ground connection for load output
The nominal input/output voltages are:
• 100/200, 110/220, or 120/240 Vac with 180° phase displacement
• 120/208 or 127/220 Vac with 120° phase displacement
Output overcurrent protection and disconnect switch must be provided by others.
Figure 41 and Figure 42 show the oneline diagrams of the MBM and PDM with the UPS.
WARNING
Only qualified service personnel (such as a licensed electrician) should perform the UPS installation and initial
startup. Risk of electrical shock.
To hardwire the MBM/PDM:
1. Verify that the electrical connections to the installation site have been properly installed.
2. A wall-mounted, user-supplied, readily-accessible disconnection device must be incorporated in the input
wiring.
Compare the circuit breaker ratings and wire sizes to the specifications in Table 6.
NOTE To accommodate the feature of easy system expandability, it is recommended that
initial installation of the Eaton 9155 UPS contain wiring to support the maximum
capacity of the UPS cabinet.
UPS System Installation
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