UPS 450 - 550 kVA (2x225 - 2x275 kVA)
User’s and Installation Guide
1027574
Revision B
16
Terminals E1 through E12 are 2-hole bus bar mountings for standard NEMA 2-hole barrel lugs.
See Table 2-5 for power cable terminations and Table 2-6 for recommended installation parts
and tools not supplied by Eaton Corporation. Figure 3-4 and Figure 3-5 show the location of the
power cable terminals inside the UPS.
Terminal function
Terminal
Function
Bus landing
Tightening torgue
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
NOTE
Customer ground, size1/0, can be run in any conduit.
Table 2-5. UPS cabinet power cable terminations for the Powerware 9395-550/450 and 9395-550/550
Part
Size
Quantity
Manufacturer
Part number
Notes
Long barrel 2 hole lug
500 MCM
As required Thomas & Betts
76 (56)
Color code: brown
Die code: 87
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
Manual hydraulic crimp tool
14 ton
1
Thomas & Betts
TBM14M
Die set
N/A
1
Thomas & Betts
15506
Table 2-6. Recommended installation parts and tool (not supplied by Eaton Corporation)
External overcurrent protection is not provided by this product, but is required by codes. Refer
to Table 2-4 for wiring requirements. If an output lockable disconnect is required, it is to be
supplied by the user.
UPS model
Input rating
Load rating
400 V
9395-2*225
100%
800 A
9395-450
100%
800 A
9395-2*275
100%
1000 A
9395-550
100%
1000 A
Table 2-7 Recommended input circuit breaker ratings.
CAUTION
To reduce the risk of fire, connect only to a circuit provided with maximum input circuit breaker
current ratings from Table 2-7 in accordance with the National Electrical Code, ANSI/NFPA 70.