Eaton 9395 UPS - Page 54

UPS INSTALLATION PLAN AND UNPACKING
Eaton 9395 UPS (450–825 kVA) Installation and Operation Manual S 164201725 Rev 4 www.eaton.com/powerquality
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Table 3‐19. Recommended DC Input Battery Disconnect Ratings – Common Battery
UPS Model
Input Rating
400V
480V
Eaton 9395-825/650 1600A 1600A
Eaton 9395-825/750 2000A 2000A
Eaton 9395-825/825 2000A 2000A
Eaton 9395-825/450
Eaton 9395-825/500
Eaton 9395-825/550
See Note
2000A 2000A
NOTE Because of the future upgradability to a fully rated 825 kVA UPS with the addition of the FI-UPM,
these breaker sizes are specified for an 825 kVA UPS..
Table 3‐20. Recommended DC Input Battery Disconnect Ratings – Separate Battery
UPS Model
Input Rating
(each UPM)
400V
480V
Eaton 9395-825/650
700A 700A
Eaton 9395-825/750
Eaton 9395-825/825
Eaton 9395-825/450
Eaton 9395-825/500
Eaton 9395-825/550
See Note
700A 700A
NOTE Because of the future upgradability to a fully rated 825 kVA UPS with the addition of the FI-UPM,
these breaker sizes are specified for an 825 kVA UPS.
Battery voltage is computed at 2 volts per cell as defined by Article 480 of the NEC.
Rated battery current is computed at 2 volts per cell.
The battery wiring used between the battery and the UPS should not allow a voltage
drop of more than 1% of nominal DC voltage at rated battery current.