Output/Bypass Cable Size For 3-Phase/4-Wire + G; Cable Size For 3-Phase/3-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 Phase
(no 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
D.4 – Cable Size for 3-Phase/3-Wire + G
TABLE D4 – RECOMMENDED MINIMUM INPUT CABLE SIZE FOR 3-PHASE/3-WIRE + G
Vin, Vout
3P/3W+G
208V Phase
220V Phase
114
15kVA 20kVA 25kVA
(AWG) (AWG) (AWG)
#8 #8 #6
#6 #4 #2
#8 #8 #6
#6 #4 #3
#10 #8 #6
#6 #4 #3
#12 #10 #8
#8 #6 #4
15kVA 20kVA 25kVA
(AWG) (AWG) (AWG)
#4 #3 #2
#2 #2 #2
#6 #4 #2
#2 #2 #2
#6 #4 #3
#3 #2 #2
#6 1/0 #3
#2 #2 #2
#10 #8 #6
#6 #6 #2
#10 #8 #6
#6 #4 #3
#10 #8 #8
#6 #4 #2
#10 #8 #8
#8 #6 #4
#12 #10 #8
#8 #6 #6
15kVA 20kVA 25kVA
(AWG) (AWG) (AWG)
#6 #4 #3
#8 #6 #4
4400 Series Installation and Operation Manual – 64527-006
30kVA 50kVA
(AWG) (AWG)
#4 #1
#1 4/0
#4 #1
#2 4/0
#4 #2
#2 2/0
#8 #4
#4 1/0
30kVA 50kVA
(AWG) (AWG)
#2 4/0
#2 250 kcmil 2 x 350 kcmil
#2 4/0
#2 250 kcmil 2 x 350 kcmil
#2 3/0
#2 250 kcmil 2 x 350 kcmil
#2 3/0
#2 250 kcmil
#4 #1
#2 4/0
#4 #2
#2 3/0
#6 #2
#2 3/0
#6 #3
#3 2/0
#6 #4
#4 1/0
30kVA 50kVA
(AWG) (AWG)
#2 3/0
#3 3/0
80kVA
(AWG)
3/0
400 kcmil
3/0
400 kcmil
2/0
300 kcmil
1/0
4/0
1
80kVA
(AWG)
500 kcmil
500 kcmil
500 kcmil
350 kcmil
2 x 4/0
3/0
400 kcmil
3/0
350 kcmil
2/0
350 kcmil
2/0
300 kcmil
#1
4/0
1
80kVA
(AWG)
350 kcmil
250 kcmil