D.3 - Output/Bypass Cable Size For 3-Phase/4-Wire + G - Toshiba 4400 Series Installation And Operation Manual

Vin, Vout, Vbyp
3P/4W+G
400/227V Phase
Neutral
415/240V Phase
Neutral
480/277V Phase
Neutral
600/347V Phase
Neutral
1 – Cable sizing based on Table 310.16 Allowable Ampacities of Insulated Conductors in Conduit, for
75 °C Copper conductors; National Electrical Code 2008 ed.
D.3 – Output/Bypass Cable Size for 3-Phase/4-Wire + G
TABLE D.3 – RECOMMENDED MINIMUM OUTPUT/BYPASS CABLE SIZE FOR 3-PHASE/4-WIRE + G
Vin, Vout, Vbyp
3P/4W+G
208/120V (no Phase
xFMR)
Neutral
220/127V Phase
Neutral
230/133V Phase
Neutral
240/139V Phase
Neutral
380/220V Phase
Neutral
400/227V Phase
Neutral
415/240V Phase
Neutral
480/277V Phase
Neutral
600/347V Phase
Neutral
122
15kVA 20kVA
(AWG) (AWG)
#8 #8
#6 #4
#8 #8
#6 #4
#10 #8
#6 #4
#12 #10
#8 #6
15kVA 20kVA
(AWG) (AWG)
#4 #3
#2 #2
#6 #4
#2 #2
#6 #4
#3 #2
#6 1/0
#2 #2
#10 #8
#6 #6
#10 #8
#6 #4
#10 #8
#6 #4
#10 #8
#8 #6
#12 #10
#8 #6
25kVA 30kVA
(AWG) (AWG)
#6 #4
#2 #1
#6 #4
#3 #2
#6 #4
#3 #2
#8 #8
#4 #4
25kVA 30kVA
(AWG) (AWG)
#2 #2
#2 #2
#2 #2
#2 #2
#3 #2
#2 #2
#3 #2
#2 #2
#6 #4
#2 #2
#6 #4
#3 #2
#8 #6
#2 #2
#8 #6
#4 #3
#8 #6
#6 #4
4400 Series Installation and Operation Manual – 64527-008
50kVA 80kVA
(AWG) (AWG)
#1 3/0
4/0 400 kcmil
#1 3/0
4/0 400 kcmil
#2 2/0
2/0 300 kcmil
#4 1/0
1/0 4/0
1
50kVA 80kVA
(AWG) (AWG)
4/0 500 kcmil
250 kcmil 2 x 350 kcmil
4/0 500 kcmil
250 kcmil 2 x 350 kcmil
3/0 500 kcmil
250 kcmil 2 x 350 kcmil
3/0 350 kcmil
250 kcmil 2 x 4/0
#1 3/0
4/0 400 kcmil
#2 3/0
3/0 350 kcmil
#2 2/0
3/0 350 kcmil
#3 2/0
2/0 300 kcmil
#4 #1
1/0 4/0