3/0 AWG wire specs

200 A

3/0 AWG copper at 75 °C · 165 A at 60 °C · 225 A at 90 °C · aluminum 155 A at 75 °C

Voltage drop of 3/0 AWG copper

One-way	10 A	15 A	20 A	30 A	50 A
25 ft	0.04 V	0.06 V	0.08 V	0.11 V	0.19 V
50 ft	0.08 V	0.11 V	0.15 V	0.23 V	0.38 V
100 ft	0.15 V	0.23 V	0.31 V	0.46 V	0.77 V
150 ft	0.23 V	0.34 V	0.46 V	0.69 V	1.15 V
200 ft	0.31 V	0.46 V	0.61 V	0.92 V	1.53 V

Single-phase, DC resistance 0.0766 Ω/1000 ft (Cu) / 0.126 Ω (Al).

How many amps can 3/0 AWG wire carry?

Copper 3/0 AWG: 165 A at 60 °C, 200 A at 75 °C, 225 A at 90 °C.

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