Load power factor (permitted range) From 0.8 lagging to 0.8 leading
Max ambient temperature without de-rating 40 °C
9.5 UPS environmental specifications
Table 32: UPS environmental specifications
Acoustic noise at 1 m 40 kW unit: <55 dB at 75% load
40 kW unit: <60 dB at 100% load
Temperature range, operation
Recommended range*
0–40 °C
+20–25 °C
Temperature range, storage and
transportation
-25–+55 °C
Relative Humidity
Recommended range*
5–95 %
20–60 %
Condensation No
Operating altitude 1000 m without derating
Up to 2000 m with derating
Maximum storage time with internal
batteries
6 months without recharge
Over voltage category OVC II
Pollution degree 2
*) Note: For maximum lifetime for UPS and batteries, keep the environment in the
recommended range.
© Eaton Corporation plc 2020. All rights reserved. Revision: 006 Document ID: P-164000493 116
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Eaton 91PS/93PS UPS 8–40 kW User’s and Installation Guide
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