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UPS 225 - 275 kVA
User’s and Installation Guide
1027212
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 9395-275/225 and 9395-275/275
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
9395-275/225 100% rated 400 A
9395-275/275 100% rated 500 A
Table 2-7 lists the recommended rating for input circuit breakers.
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.