Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201725—Rev 15
33
Table 7. Input/Output Ratings and External Wiring Requirements for the Two UPM Power Xpert 9395-825/450, 9395-825/
500, and 9395-825/ 550– Common Battery (Continued)
Basic Unit Rating
Units
Rating 50/60 Hz
kVA
kW
450
410
450
410
500
455
500
455
550
501
550
501
Input and Output Voltage
Volts
400/400 480/480 400/400 480/480 400/400 480/480
AC Output to Critical Load (Five Wire)
Full Load Current
(3) Phases, (1) Neutral, (1) Ground
D
Amps
650
541
722
601
794
662
Minimum Conductor Size
Number per Pole
AWG or kcmil
(each)
500
(5)
NOTE: Callout letters
A
,
B
,
C
, and
D
map to
NOTE: Because of the future upgradability to a fully rated 825 kVA UPS with the addition of the FI-UPM, the UPS wiring is specified
for 825 kV.
NOTE If a 4-pole Automatic Transfer Switch (ATS) is used to connect the UPS to a generator or alternative input source, it may
interrupt the UPS input neutral during its transition between sources. For the 9395 UPS:
The ATS transition must be open in both directions. The "break" time for the contacts must be at least 50 ms. This allows the UPS to
operate properly,
however it is important to evaluate whether the critical load will function properly as its neutral reference is rapidly
(50 ms) switched. Note also that if the UPS load is on bypass, an ATS switchover with interruption of the neutral, will interrupt the
return current path and cause a loss of all phase-to-neutral loads.
If an overlapping neutral or make-before-break ATS switch is used, the neutrals must overlap for a minimum of 50 ms during the
transition.
Table 8. Input/Output Ratings and External Wiring Requirements for the Three UPM Power Xpert 9395-825/650, 9395-825/
750, and 9395-825/ 825 – Separate Battery
Basic Unit Rating
Units
Rating 50/60 Hz
kVA
kW
450
410
450
410
500
455
500
455
550
501
550
501
Input and Output Voltage
Volts
400/400 480/480 400/400 480/480 400/400 480/480
AC Input to UPS Rectifier (0.98 Minimum pF)
Full load current plus battery recharge current
(3) Phases, (1) Ground
A
Amps
741
617
823
686
905
754
Minimum Conductor Size
Number per Phase
AWG or kcmil
(each)
500
(5)
500
(4)
500
(5)
500
(4)
500
(5)
500
(4)
AC Input to UPS Bypass (Four Wire)
Full Load Current
(3) Phases, (1) Ground
B
Amps
650
541
722
601
794
662
Minimum Conductor Size
Number per Phase
AWG or kcmil
(each)
500
(4)
AC Input to UPS Bypass (Five Wire)
Full Load Current
(3) Phases, (1) Neutral, (1) Ground
B
Amps
650
541
722
601
794
662
Minimum Conductor Size
Number per Phase
AWG or kcmil
(each)
500
(5)
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