17
9395P 250 kVA / 275 kVA / 300 kVA
User’s and Installation Guide
•
The bypass feed into this equipment uses three or four wires. The rectifier feed into this
equipment uses three wires. The phases must be symmetrical about ground (from a Wye source)
for proper equipment operation.
•
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, an optional
neutral forming kit must be used.
•
The UPS cabinet is shipped with a debris shield covering the ventilation grill on top of the unit. Do
not remove the debris shield until installation is complete. However, remove the shield before
operating the UPS. Once the debris shield is removed, do not place objects on the ventilation grill.
Terminals E1 through E12 are 2-hole bus bar mountings. See Table
3-5 for power cable
terminations and Table
3-6 for recommended installation parts not supplied by Eaton Corporation.
4-6 show the location of the power cable terminals inside the UPS.
Table 3-5: UPS cabinet power cable terminations for the 9395P
250 kVA / 275 kVA
/ 300 kVA
NOTE
Bypass terminations are not applicable to IOM configurations.
Terminal function
Terminal
Function
Bus landing
Tightening torque Nm
Bolt size
AC input to UPS rectifier
E1
Phase L1
4-2 bolt mounting
76
M12
E2
Phase L2
4-2 bolt mounting
76
M12
E3
Phase L3
4-2 bolt mounting
76
M12
AC input to bypass
E6
Phase L1
4-2 bolt mounting
76
M12
E7
Phase L2
4-2 bolt mounting
76
M12
E8
Phase L3
4-2 bolt mounting
76
M12
AC output to critical load
E9
Phase L1
4-2 bolt mounting
76
M12
E10
Phase L2
4-2 bolt mounting
76
M12
E11
Phase L3
4-2 bolt mounting
76
M12
DC input from battery to UPS
E4
Battery (+)
4-2 bolt mounting
76
M12
E5
Battery (-)
4-2 bolt mounting
76
M12
Input and output neutral
E12
Neutral
8-2 bolt mounting
22
M10
Customer ground
Ground
Ground
7-1 bolt mounting
22
M10
Part
Size
Quantity
Manufacturer
Part
number
Notes
Bolt
M12 x 50 mm
As required
N/A
N/A
Quantity per lug
hole
Bolt
M10 x 50 mm
As required
N/A
N/A
Flat washer
M12
As required
N/A
N/A
Lock washer
M12
As required
N/A
N/A
Nut
M12
As required
N/A
N/A
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