Terminals E1 through E12 are 2-hole bus bar mountings for standard NEMA 2-hole barrel lugs. SeeTable 2-5 for power cable terminations andTable 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 functionTerminalFunctionBus landing

Tightening torgue

Bolt size

Nm

 

 

 

 

 

 

E1

Phase L1

4-2 bolt mounting

76

M12

AC input to UPS rectifier

E2

Phase L2

4-2 bolt mounting

76

M12

 

E3

Phase L3

4-2 bolt mounting

76

M12

 

E6

Phase L1

4-2 bolt mounting

76

M12

AC input to bypass

E7

Phase L2

4-2 bolt mounting

76

M12

 

E8

Phase L3

4-2 bolt mounting

76

M12

 

E9

Phase L1

4-2 bolt mounting

76

M12

AC output to critical load

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

PartSizeQuantityManufacturer

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

Bolt

M10 x 50 mm

As required

N/A

N/A

hole

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 toTable 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 fromTable 2-7 in accordance with the National Electrical Code, ANSI/NFPA 70.

16

UPS 450 - 550 kVA (2x225 - 2x275 kVA)

1027574

 

User’s and Installation Guide

Revision B