POWER WIRING INSTALLATION NOTES
011509D
164201604-5
3 of 15
DESCRIPTION:
DATE:
:TEEHS:ON GNIWARD
REVISION:
Table G. INPUT/OUTPUT Ratings & External Wiring Requirements for the Eaton 9390-160/160
Units Rating 50/60 Hz
Basic Unit Rating at 0.9 lagging pF
load
kVA
kW
160
144
160
144
160
144
160
144
160
144
Input and Bypass Input
Output
VOLTS
VOLTS
208/220
208/220
380
380
400
400
415
415
480
480
AC Input to UPS Rectifier
(0.98 min. pF)
Full Load Current plus Battery
Recharge Current
(3) Phases, (1) Ground
A
Amps 480 275 255 250 210
Minimum Conductor Size
Number per Phase
AWG or kcmil
(each)
400
(2)
2/0
(2)
2/0
(2)
2/0
(2)
1/0
(2)
AC Input to UPS Bypass
Full Load Current
(3) Phases, (1) Neutral-if required,
(1) Ground
B
Amps 444/420 243 231 223 193
Minimum Conductor Size
Number per Phase
AWG or kcmil
(each)
400
(2)
2/0
(2)
2/0
(2)
2/0
(2)
1/0
(2)
DC Input from Battery to UPS
(1) Positive, (1) Negative
C
Vdc
Amps@
(2.0V/cell)
384-480
403
432-480
403
432-480
403
432-480
403
432-480
403
Minimum Conductor Size
Number per Pole
AWG or kcmil
(each)
250
(2)
250
(2)
250
(2)
250
(2)
250
(2)
AC Output to Critical Load
Full Load Current
(3) Phases, (1) Neutral-if required,
(1) Ground
D
Amps 444/420 243 231 223 193
Minimum Conductor Size
Number per Phase
AWG or kcmil
(each)
400
(2)
2/0
(2)
2/0
(2)
2/0
(2)
1/0
(2)
Neutral Bonding Jumper
Minimum Conductor Size
Number (See Note 7)
-
AWG or kcmil
(each)
1/0
(2)
2
(2)
2
(2)
2
(2)
2
(2)
7. If the load requires a neutral, a bypass source neutral must be provided. If the load does
not require a neutral and there is no neutral conductor connected at the bypass input, a
neutral to ground bonding jumper must be installed. DO NOT install both a source neutral
and a bonding jumper. See Table E through Table G for neutral bonding jumper wire sizes.
Bonding jumper must be copper wire.
CAUTION
HIGH IMPEDANCE GROUND SOURCES - If the source of supply is a high impedance ground (IT) type, the input
neutral conductor must be connected from the source of supply. If there is no output neutral connected to the UPS,
the neutral‐forming transformer kit (PN 103005400) may be used instead of pulling a neutral from the source. If the
load requires a neutral then an input neutral conductor must be pulled into the UPS. In no circumstances shall a
neutral-to-ground bonding jumper be installed in the UPS.
NOTE: Callout letters A, B, C, and D map to Figure 79 sheets 1, 2, 4, 5, and 6.