91PS/93PS is also available as a C-model, which consists of the electrical part of
the 91PS/93PS UPS 15/20 kW frame without the battery compartment.
Table 2: UPS frames and UPMs
UPS frame
Number of UPMs Ratings
91PS 15 kW 1 8, 10, 15 kW
91PS 30 kW 1 or 2 8, 10, 15, 20, 30 kW
93PS 20 kW 1 8, 10, 15 or 20 kW
93PS 40 kW 1 or 2 8, 10, 15, 20, 30 or
40 kW
UPM includes a rectifier, inverter, battery converter, and independent controls.
Each UPM is able to operate independently from the other power modules.
NOTE: Startup and operational checks must be done by an authorized Eaton
Customer Service Engineer or by other qualified service personnel authorized by
Eaton, or the terms specified in the Warranty (see 10.1 General information
about warranty) become void. This service is offered as part of the sales contract
for the UPS. Contact service in advance (usually a two-week notice is required)
to reserve a preferred startup date.
3.2 Looking inside the UPS system
Figure 2: Looking inside the 15/20 kW standard and C-model frames
© Eaton Corporation plc 2020. All rights reserved. Revision: 006 Document ID: P-164000493 19 (126)
Eaton 91PS/93PS UPS 8–40 kW User’s and Installation Guide
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