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Introduction
Uninterruptible Power Modules (UPM)
The eight-slot 9PXM chassis can accommodate a maximum of four power modules and the twelve-slot can
contain up to six modules. Each 4kVA has a built in 5 Amp battery charger and is cooled by two cooling fans.(see
Figure 5).
Figure 5. Uninterruptible Power Module
Super Charger Modules (Optional)
Super chargers have a built in 20A charger and charge the batteries and are identical in appearance to power
modules. They are identified separately from each other by their labels. The UPS can contain a minimum of one
super charger while External Battery Modules (EBMs) can accommodate one in the lower left slot. One super
charger is able to fully charge the batteries of a fully-loaded EBM (max 11 battery strings).
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Eaton 9PXM UPS (4-20 kVA) User's Guide P-164000669—Rev 05
Cooling Fans
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