Table 6.1 Cable Size For Different 3P-3W I/O Voltages; Table 6.2 Cable Size For 3P-4W I/O Voltages; Table 6.3 Cable Size For Ground - Toshiba 4200FA Installation And Operation Manual
Three-phase 15/25/30/50 kva ups
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- Installation and operation manual (98 pages) ,
- User manual (66 pages) ,
- Operation manual (20 pages)
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Input/
AWG
Bypass:
AWG
(L1) –
(L1) (L2)
(N)
(L3)
(L3) (N)
120/208 V
6 – 1
4 – 1
208 V
6 – 1
N/A
220 V
6 – 1
N/A
240 V
8 – 1
N/A
N/A
380 V
10 – 1
400 V
10 – 1
N/A
415 V
10 – 1
N/A
480 V
10 – 1
N/A
600 V
10 – 1
N/A
AWG
Output:
AWG
(L1) –
(L1) (L2)
(N)
(L3)
(L3) (N)
120/208 V
6 – 1
4 – 1
127/220 V
6 – 1
4 – 1
240 V
6 – 1
N/A
220/380 V
10 – 1
8 – 1
230/400 V
10 – 1
8 – 1
240/415 V
10 – 1
8 – 1
277/480 V
10 – 1
8 – 1
600 V
10 – 1
N/A
Input/ Bypass/ Output
(GND)
(G)
*Maximum Wire Size is 1 AWG.
22
Table 6.1 Cable Size for Different 3P-3W I/O Voltages
Minimum / Maximum Wire Size and Torque requirements
UPS Input/Bypass Terminals TB1 15-30 kVA
(USE MINIMUM 75 °C INSULATED COPPER WIRING)
15 kVA
Torque
AWG
(inch-lbs.)
(L1)-
(L3)
(L1)-(L3) (N)
51
51
3 – 1
51
N/A
3 – 1
51
N/A
4 – 1
51
N/A
6 – 1
N/A
35
6 – 1
35
N/A
6 – 1
35
N/A
6 – 1
35
N/A
8 – 1
35
N/A
10 – 1
Table 6.2 Cable Size for 3P-4W I/O Voltages
15 kVA
Torque
AWG
(inch-lbs.)
(L1)-
(L3)
(L1)-(L3) (N)
51
51
3 – 1
51
51
3 – 1
51
N/A
3 – 1
35
51
8 – 1
35
51
8 – 1
35
51
8 – 1
35
51
8 – 1
35
N/A
10 – 1
Table 6.3 Cable Size for Ground
15 kVA
AWG*
Torque
10 – 1
35 in-lbs.
25 kVA
Torque
AWG
AWG
(inch-lbs.)
(L1)-
(N)
(L3)
(L1)-(L3) (N)
1
51
87
2 – 1
N/A
51
N/A
2 – 1
N/A
51
N/A
2 – 1
N/A
51
N/A
2 – 1
N/A
N/A
51
6 – 1
N/A
51
N/A
6 – 1
N/A
51
N/A
6 – 1
N/A
51
N/A
6 – 1
N/A
35
N/A
10 – 1
25 kVA
Torque
AWG
AWG
(inch-lbs.)
(L1)-
(N)
(L3)
(L1)-(L3) (N)
1
51
87
2 – 1
1
51
87
2 – 1
N/A
51
N/A
2 – 1
4 – 1
51
51
6 – 1
4 – 1
51
51
6 – 1
4 – 1
51
51
6 – 1
6 – 1
51
51
6 – 1
N/A
35
N/A
10 – 1
25 kVA
AWG*
Torque
8 – 1
51 in-lbs.
4200FA Installation and Operation Manual
30 kVA
Torque
AWG
(inch-lbs.)
(N)
(L1)-(L3) (N)
1
87
87
N/A
87
N/A
N/A
87
N/A
N/A
87
N/A
N/A
N/A
51
N/A
51
N/A
N/A
51
N/A
N/A
51
N/A
N/A
35
N/A
30 kVA
Torque
AWG
(inch-lbs.)
(N)
(L1)-(L3) (N)
1
87
87
1
87
87
N/A
87
N/A
2 – 1
51
87
2 – 1
51
87
2 – 1
51
87
2 – 1
51
87
N/A
35
N/A
30 kVA
AWG*
Torque
6 – 1
51 in-lbs.
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