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UPS INSTALLATION
EATON Powerware
®
9355 UPS (10/15 kVA) User’s Guide S 164201594 Rev B www.powerware.com
22
NOTE Input neutral must be wired for proper operation. Failure to connect an input neutral
will void the warranty.
NOTE The Powerware 9355 UPS is a single-feed UPS only.
Table 1. Terminal Block Wiring
10 kVA
Input Voltage
Wire
Function
Input Circuit
Breaker Size
L1, L2, L3, N
Wire Size
1
Ground
Wire Size
1
Tightening
Torque
Conduit Size
2, 3
(Number of Conduits)
208
Input
45A
6AWG 10 AWG
220
p
45A
8AWG 10 AWG
1
2
0
l
b
i
n
1
0
0
”
d
i
(
1
)
480 (with transformer) 20A
12 AWG 12 AWG
1
2
0
l
b
i
n
(13.5 Nm)
1.00” conduit (1)
600
(with transformer) 20A
12 AWG 14 AWG
208
Output
8AWG 10 AWG
220
p
8AWG 10 AWG
1
2
0
l
b
i
n
1
0
0
”
d
i
(
1
)
480 (with transformer)
8AWG 10 AWG
1
2
0
l
b
i
n
(13.5 Nm)
1.00” conduit (1)
600
(with transformer)
8AWG 10 AWG
15 kVA
Input Voltage
Wire
Function
Input Circuit
Breaker Size
L1, L2, L3, N
Wire Size
1
Ground
Wire Size
1
Tightening
Torque
Conduit Size
2, 3
(Number of Conduits)
208
Input
60A
4AWG 10 AWG 1.25” conduit (1)
220
p
60A
4AWG 10 AWG
1
2
0
l
b
i
n
1.25” conduit (1)
480 (with transformer) 30A
10 AWG 10 AWG
1
2
0
l
b
i
n
(13.5 Nm)
1.00” conduit (1)
600 (with transformer) 25A
10 AWG 10 AWG 1.00” conduit (1)
208
Output
6AWG 10 AWG
220
p
6AWG 10 AWG
1
2
0
l
b
i
n
1
0
0
”
d
i
(
1
)
480 (with transformer)
6AWG 10 AWG
1
2
0
l
b
i
n
(13.5 Nm)
1.00” conduit (1)
600
(with transformer)
6AWG 10 AWG
1
Use only 90°C-rated copper wire. Minimum wire size is based on 120/208 full load ratings applied to NEC Code Table
310-16. Code may require a larger AWG size than shown in this table because of temperature, number of conductors in
the conduit, or long service runs. Follow local requirements.
2
Per NEC article 300-20(a), all three-phase conductors must be run in the same conduit. Neutral and ground must be
run in the same conduit as the phase conductors.
3
Conduit is sized to accommodate one neutral conductor the same size as the phase conductor and one #8 AWG
ground conductor. If two neutral conductors or an oversized neutral conductor are to be installed, check the size of the
conduit needed to accommodate the extra wire or size and use that conduit size i n place of the conduit size listed.
Conduit sizes were chosen from NEC Table C1, type letters RHH, RHW, RHW-2, TW, THW, THHW, THW-2.