Battery String - Eaton 9PXM User Manual

UPS power modules (UPMs) are installed in the left hand slots of the UPS facing the user behind the front
covers. Battery strings consist of two battery packs each and can be installed in both the right or left hand slots.
For the twelve-slot cabinet, a minimum of one UPM and up to eleven battery strings each can be installed in
the 9PXM. One UPM and seven battery strings can be installed in eight-slot cabinet (see Figure 3).
Power Module
Figure 3. Power Modules and Battery Strings
Battery Strings
As a UPS, the eight-slot 9PXM chassis can accommodate a maximum of seven battery strings and the
twelve-slot can contain up to eleven strings. Each battery module contains two battery packs that can be
removed and installed separately from the battery slots in the chassis. A battery pack supplies 60VDC with five
12V batteries, each battery string in a 9PXM battery slot supplies 120VDC, with 10 batteries (see Figure 4).
Figure 4. Battery String

Battery String

(2 packs)
Twelve-slot Cabinet
Shown.
Battery Packs (2)
Eaton 9PXM UPS (4-20 kVA) User's Guide
Introduction
P-164000669—Rev 05 5