Eaton 93PM-50-1, Инструкция по установке и эксплуатации

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Eaton 93PM Emergency Lighting UPS (50 kW, 480V Three and Four-Wire UL 924) Installation and Operation Manual P-164000569—Rev 03 25
Table 8. Recommended Input and Bypass Circuit Breaker Ratings
Input Rating
UPS Model
UPS Rating Load Rating
480V
Eaton 93PM-50-1 20 kW
80% Rated 70A
100% Rated 50A
Eaton 93PM-50-1 30 kW
80% Rated 80A
100% Rated 70A
Eaton 93PM-50-1 40 kW
80% Rated 100A
100% Rated 80A
CAUTION
To reduce the risk of fire, connect only to a circuit provided with maximum input circuit breaker current ratings
from
Table 8 in accordance with the NEC, ANSI/NFPA 70.
The line-to-line unbalanced output capability of the UPS is limited only by the full load per phase current values
for AC output to critical load shown in
Table 5 . The recommended line-to-line load unbalance is 50% or less.
Bypass and output overcurrent protection and bypass and output disconnect switches are to be supplied by the
customer.
Table 9 lists the recommended rating for output circuit breakers.
Table 9. Recommended Output Circuit Breaker Ratings
Output Rating
UPS Model
UPS Rating Load Rating
480V
Eaton 93PM-50-1 20 kW
80% Rated 35A
100% Rated 25A
Eaton 93PM-50-1 30 kW
80% Rated 50A
100% Rated 40A
Eaton 93PM-50-1 40 kW
80% Rated 70A
100% Rated 50A
No manual DC disconnect device is provided within the UPS.
Battery voltage is computed at 2 volts per cell as defined by Article 480 of the NEC. Rated battery current is
computed based on 2 volts per cell.
For details on the type of batteries and number of battery cabinets required for the Eaton 93PM Emergency
Lighting UPS, refer to
Table 1 .
UPS Installation Plan and Unpacking