TABLE 3.4 Recommended Cable Sizes

kVA

Input

Output

Input Side

 

Output Side

Bypass Side

DC Input Side

Cable

 

Torque

Cable

Torque

Cable

Torque

Cable

Torque

Capacity

Voltage

Voltage

Size

 

ft. lbs

Size

ft. lbs

Size

ft. lbs

Size

ft. lbs

 

 

 

 

 

 

 

 

 

 

 

 

80kVA

480V

480V

1 AWG –

 

17-22

1 AWG –

17-22

1 AWG –

17-22

3/0 AWG –

17-22

1/0 AWG

 

ft. lbs

1/0 AWG

ft. lbs

1/0 AWG

ft. lbs

4/0 AWG

ft. lbs

 

 

 

 

100kVA

480V

480V

2/0 AWG –

 

17-22

2/0 AWG –

17-22

2/0 AWG –

17-22

(2) x 1 AWG –

17-22

3/0 AWG

 

ft. lbs

3/0 AWG

ft. lbs

3/0 AWG

ft. lbs

(2) x 2/0 AWG

ft. lbs

 

 

 

 

160kVA

480V

480V

250 MCM –

 

17-22

250 MCM –

17-22

250 MCM –

17-22

(2) x 3/0 AWG –

17-22

300 MCM

 

ft. lbs

300 MCM

ft. lbs

300 MCM

ft. lbs

(2) x 250 MCM

ft. lbs

 

 

 

 

225kVA

480V

480V

500 MCM –

 

17-22

500 MCM –

17-22

500 MCM –

17-22

(2) x 350 MCM –

17-22

(2) x 250 MCM

 

ft. lbs

(2) x 250 MCM

ft. lbs

(2) x 250 MCM

ft. lbs

(2) x 400 MCM

ft. lbs

 

 

 

 

300kVA

480V

480V

(2) x 250 MCM –

 

29-39

(2) x 250 MCM –

29-39

(2) x 250 MCM –

29-39

(3) x 300 MCM –

29-39

(2) x 300 MCM

 

ft. lbs

(2) x 300 MCM

ft. lbs

(2) x 300 MCM

ft. lbs

(3) x 350 MCM

ft. lbs

 

 

 

 

500kVA

480V

480V

(3) x 300 MCM –

 

29-39

(3) x 300 MCM –

29-39

(3) x 300 MCM –

29-39

(4) x 500 MCM –

29-39

(3) x 350 MCM

 

ft. lbs

(3) x 350 MCM

ft. lbs

(3) x 350 MCM

ft. lbs

(5) x 300 MCM

ft. lbs

 

 

 

 

750kVA

480V

480V

(4) x 350 MCM –

 

29-39

(4) x 350 MCM –

29-39

(4) x 350 MCM –

29-39

(6) x 400 MCM –

29-39

(5) x 250 MCM

 

ft. lbs

(5) x 250 MCM

ft. lbs

(5) x 250 MCM

ft. lbs

(6) x 500 MCM

ft. lbs

 

 

 

 

*1 – The cables must be selected to be equal to the sizes listed in the table.

*2 – Voltage drop across power cables not to exceed 2% of nominal source voltage.

*3 – Allowable ampere-capacities based on 75 °C insulated copper conductor at ambient temperature of 30 °C. *4 – All wiring to be in accordance with all applicable national and/or local electrical codes.

G9000 Installation and Operation Manual

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Toshiba G9000 operation manual Recommended Cable Sizes