Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201716—Rev 13
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Table 9. Separate Rectifier Input UPM Ratings and External Wiring Requirements for the Power Xpert 9395-550/275 –
Separate Battery
Basic Unit Rating
Units
Rating 50/60 Hz
kVA
kW
275
250
275
250
Input and Output Voltage
Volts
400
480
AC Input to UPS Rectifier (0.98 Minimum pF)
Full load current plus battery recharge current
(3) Phases, (1) Ground
A
Amps
453
377
Minimum Conductor Size
Number per Phase
AWG or kcmil
(each)
2/0
(3)
4/0
(2)
NOTE: Callout letters
A
maps to
Table 10. Neutral Bonding Jumper Wire Size (Four Wire Only - All Ratings)
Neutral Bonding Jumper
Minimum Conductor Size Number
AWG or kcmil
(each)
2/0
(1)
For a UPS with common rectifier input terminals, E1 through E12 are 2-hole bus bar mountings for standard
NEMA 2-hole barrel lugs. The power wiring connections for this equipment are rated at 90 ºC. See
for
external power cable terminations,
for supplied external wiring terminal hardware, and
for
recommended installation parts and tools not supplied by Eaton Corporation.
For a UPS with separate rectifier input terminals for the UPMs, E1 through E3 are pressure terminations, UL
and CSA rated at 90 ºC. See
for power cable terminations.
and
show the location of the power cable terminals inside the UPS.
Table 11. UPS Cabinet Power Cable Terminations for the Power Xpert 9395-550/275
Terminal Function
Terminal
Function
Bus Landings
Tightening Torque
Nm (lb ft)
Bolt
Size
AC Input to UPS Rectifier
E1
Phase A
4 – 2 bolt mounting
76 (56)
M12
E2
Phase B
4 – 2 bolt mounting
76 (56)
M12
E3
Phase C
4 – 2 bolt mounting
76 (56)
M12
AC Input to Bypass
E6
Phase A
4 – 2 bolt mounting
76 (56)
M12
E7
Phase B
4 – 2 bolt mounting
76 (56)
M12
E8
Phase C
4 – 2 bolt mounting
76 (56)
M12
AC Output to Critical Load
E9
Phase A
4 – 2 bolt mounting
76 (56)
M12
E10
Phase B
4 – 2 bolt mounting
76 (56)
M12
E11
Phase C
4 – 2 bolt mounting
76 (56)
M12
DC Input from Battery or
Battery Disconnect to UPS –
Common Battery
E4
Battery (+)
4 – 2 bolt mounting
8 – 2 bolt mounting (with FI-UPM)
76 (56)
M12
E5
Battery (-)
4 – 2 bolt mounting
8 – 2 bolt mounting (with FI-UPM)
76 (56)
M12
DC Input from Battery or
Battery Disconnect to UPS –
Separate Battery (UPM 1)
E4
Battery (+)
4 – 2 bolt mounting
76 (56)
M12
E5
Battery (-)
4 – 2 bolt mounting
76 (56)
M12