Thomas & Betts 9395 User Manual

Page 16

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UPS 225 - 275 kVA

User’s and Installation Guide

1027212

Revision B

1

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.

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