Trane Starters Engineering Bulletin page 60

Electrical System–Power Wire Sizing
Table 15. MCA look-up table for 90°C copper conductors rated for 2,001–5,000 Volts
Wire Size
Note: Use this table to select line-side wiring to the starter and load-side wiring between the starter and the motor. Value in
(a) Based on 2011 NEC Table 310.60(C)(73)
Table 16. MCA look-up table for 90°C copper conductors rated for 5,001–35,000 Volts
Wire size
Note: Use this table to select line-side wiring to the starter and load-side wiring between the starter and the motor. Value in
(a) Based on 2011 NEC Table 310.60(C)(73)
60
1 Conduit 2 Conduits
3 Wires 3 Wires ea.
8 55
6 75
4 97
2 130
1 155
0 180
00 205
000 240
0000 280
250 315
350 385
500 475
750 600
table must be larger than the MCA to use the wire combination.
1 Conduit 2 Conduits
3 Wires 3 Wires ea.
6 83
4 110
2 150
1 170
0 195
00 225
000 260
0000 295
250 330
350 395
500 480
750 585
table must be larger than the MCA to use the wire combination.
3 Conduits
3 Wires ea.
360 540
410 615
480 720
560 840
630 945
770 1155
950 1425
1200 1800
3 Conduits
3 Wires ea.
390 585
450 675
520 780
590 885
660 990
790 1185
960 1440
1170 1755
(a)
(a)
CTV-PRB004-EN