Toshiba 431A User Manual
26
4300 Series Ancillary Cabinets Installation and Operation Manual
Table 10.3 - 431A
Input/Output Power Cable Sizes
(
Cable sizes for 75°C Copper Cable)
Recommended/Maximum Wire size and
Torque Requirement
Trans
-
former
Code
Input/Output T
rans
-
former V
oltage
Xfmr T
ype
30 kV
A
50 kV
A
Tightening
Torque
Phase A
WG*
Neutral A
WG*
Phase A
WG*
Neutral A
WG*
Input
B
208V
Δ
to
208/120V
Y
Input Iso
2 - 250 kcmil
N/A
2/0 - 250 kcmil
N/A
200 in.-lbs.
C
240V
Δ
to
208/120V
Y
Input Iso
3 - 250 kcmil
N/A
1/0 - 250 kcmil
N/A
200 in.-lbs.
N
380V
Δ
to
208/120V
Y
Input Iso
6 - 250 kcmil
N/A
3 - 250 kcmil
N/A
200 in.-lbs.
N
400/415V
Δ
to
208/120V
Y
Input Iso
6 - 250 kcmil
N/A
3 - 250 kcmil
N/A
200 in.-lbs.
S
480V
Δ
to
208/120V
Y
Input Iso
6 - 250 kcmil
N/A
4 - 250 kcmil
N/A
200 in.-lbs.
M
600V
Δ
to
208/120V
Y
Input Iso
6 - 250 kcmil
N/A
6 - 250 kcmil
N/A
200 in.-lbs.
X
208/120V
Y 4 wire input
(No T
ransformer)
N/A
1/0 - 250 kcmil
4/0 - 350 kcmil
250 kcmil
350 kcmil
200 in.-lbs.
K
480/277V
Y
to
208/120V
Y
Input Auto
6 - 250 kcmil
3 - 350 kcmil
3 - 250 kcmil
2/0 - 350 kcmil
200 in.-lbs.
Output
F
208/120V
Y 4 wire input
(No T
ransformer)
N/A
1/0 - 250 kcmil
4/0 - 350 kcmil
250 kcmil
350 kcmil
200 in.-lbs.
H
208/120V
Y
to
220/127V
Y
Output Auto
1 - 250 kcmil
4/0 - 350 kcmil
4/0 - 250 kcmil
350 kcmil
200 in.-lbs.
J
208/120V
Y
to
240/139V
Y
Output Auto
2 - 250 kcmil
3/0 - 350 kcmil
3/0 - 250 kcmil
350 kcmil
200 in.-lbs.
P
208/120V
Y
to
380/220V
Y
Output Iso
4 - 250 kcmil
1 - 350 kcmil
1 - 250 kcmil
4/0 - 350 kcmil
200 in.-lbs.
Q
208/120V
Y
to
400/230V
Y
Output Iso
4 - 250 kcmil
1 - 350 kcmil
2 - 250 kcmil
3/0 - 250 kcmil
200 in.-lbs.
K
208/120V
Y
to
480/277V
Y
Output Auto
6 - 250 kcmil
3 - 350 kcmil
3 - 250 kcmil
2/0 - 250 kcmil
200 in.-lbs.
M
208/120V
Y
to
600/347V
Y
Output Iso
6 - 250 kcmil
4 - 350 kcmil
4 - 250 kcmil
1/0 - 250 kcmil
200 in.-lbs.
* Wire capacity for Phase lugs is 250 kcmil - 6
AWG, Neutral lugs is 350 kcmil - 6
AWG.