4200FA Installation and Operation Manual
21
4.1.3
Recommended Wire Size and Torque Requirements for 15/25/30kVA
Minimum wire sizes are based on NEC Table 310.16. Neutral wire sized per NEC Article
310.15(B), Grounding wires sized per NEC Article 250.122. Maximum wire capacity of the
terminal lugs is 1 AWG.
Minimum / Maximum Wire Size and Torque requirements
UPS Input/Bypass Terminals
TB1
15-30 kVA
(USE MINIMUM 75 °C INSULATED COPPER WIRING)
Input/
Bypass:
(L1) (L2)
(L3) (N)
15 kVA
25 kVA
30 kVA
AWG
(L1) –
(L3)
AWG
(N)
Torque
(inch-lbs.)
(L1)-(L3) (N)
AWG
(L1)-
(L3)
AWG
(N)
Torque
(inch-lbs.)
(L1)-(L3) (N)
AWG
(L1)-
(L3)
AWG
(N)
Torque
(inch-lbs.)
(L1)-(L3) (N)
120/208 V
6 – 1
4 – 1
51
51
3 – 1
1
51
87
2 – 1
1
87
87
208 V
6 – 1
N/A
51
N/A
3 – 1
N/A
51
N/A
2 – 1
N/A
87
N/A
220 V
6 – 1
N/A
51
N/A
4 – 1
N/A
51
N/A
2 – 1
N/A
87
N/A
240 V
8 – 1
N/A
51
N/A
6 – 1
N/A
51
N/A
2 – 1
N/A
87
N/A
380 V
10 – 1
N/A
35
N/A
6 – 1
N/A
51
N/A
6 – 1
N/A
51
N/A
400 V
10 – 1
N/A
35
N/A
6 – 1
N/A
51
N/A
6 – 1
N/A
51
N/A
415 V
10 – 1
N/A
35
N/A
6 – 1
N/A
51
N/A
6 – 1
N/A
51
N/A
480 V
10 – 1
N/A
35
N/A
8 – 1
N/A
51
N/A
6 – 1
N/A
51
N/A
600 V
10 – 1
N/A
35
N/A
10 – 1
N/A
35
N/A
10 – 1
N/A
35
N/A
Output:
(L1) (L2)
(L3) (N)
15 kVA
25 kVA
30 kVA
AWG
(L1) –
(L3)
AWG
(N)
Torque
(inch-lbs.)
(L1)-(L3) (N)
AWG
(L1)-
(L3)
AWG
(N)
Torque
(inch-lbs.)
(L1)-(L3) (N)
AWG
(L1)-
(L3)
AWG
(N)
Torque
(inch-lbs.)
(L1)-(L3) (N)
120/208 V
6 – 1
4 – 1
51
51
3 – 1
1
51
87
2 – 1
1
87
87
127/220 V
6 – 1
4 – 1
51
51
3 – 1
1
51
87
2 – 1
1
87
87
240 V
6 – 1
N/A
51
N/A
3 – 1
N/A
51
N/A
2 – 1
N/A
87
N/A
220/380 V
10 – 1
8 – 1
35
51
8 – 1
4 – 1
51
51
6 – 1
2 – 1
51
87
230/400 V
10 – 1
8 – 1
35
51
8 – 1
4 – 1
51
51
6 – 1
2 – 1
51
87
240/415 V
10 – 1
8 – 1
35
51
8 – 1
4 – 1
51
51
6 – 1
2 – 1
51
87
277/480 V
10 – 1
8 – 1
35
51
8 – 1
6 – 1
51
51
6 – 1
2 – 1
51
87
600 V
10 – 1
N/A
35
N/A
10 – 1
N/A
35
N/A
10 – 1
N/A
35
N/A
Input/ Bypass/ Output
(GND)
15 kVA
25 kVA
30 kVA
AWG*
Torque
AWG*
Torque
AWG*
Torque
(G)
10 – 1
35 in-lbs.
8 – 1
51 in-lbs.
6 – 1
51 in-lbs.
*Maximum Wire Size is 1 AWG.
Minimum / Maximum Wire Size and Torque Requirements
UPS Optional Separate Bypass Input
TB4
15 / 25kVA
(USE MINIMUM 75 °C INSULATED COPPER WIRING)
Phase: (A) (B) (C)
Input: (H1) (H2) (H3)
15 kVA
25 kVA
30 kVA
AWG*
Torque
AWG*
Torque
AWG*
Torque
208 V
8 – 1
51 in-lbs.
4 – 1
51 in-lbs.
2 – 1
87 in-lbs.
220 V
8 – 1
51 in-lbs.
4 – 1
51 in-lbs.
2 – 1
87 in-lbs.
240 V
8 – 1
51 in-lbs.
4 – 1
51 in-lbs.
2 – 1
87 in-lbs.
380 V
10 – 1
35 in-lbs.
8 – 1
51 in-lbs.
6 – 1
51 in-lbs.
400 V
10 – 1
35 in-lbs.
8 – 1
51 in-lbs.
6 – 1
51 in-lbs.
415 V
10 – 1
35 in-lbs.
8 – 1
51 in-lbs.
6 – 1
51 in-lbs.
480 V
10 – 1
35 in-lbs.
8 – 1
51 in-lbs.
6 – 1
51 in-lbs.
600 V
10 – 1
35 in-lbs.
10 – 1
35 in-lbs.
10 – 1
35 in-lbs.
*Maximum Wire Size is 1 AWG.
Summary of Contents for 4200FA CT
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