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#6 copper or #4 aluminum

3/0 thhn

Q: What Wire size for 225 amp commercial panel?

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Depends on the load it will carry which you failed to list.

300 kcmil @ 75°

Use AWG #1 copper service entrance wire and #4 copper ground wire.

A 500 MCM wire with an insulation factor of 90 degrees C is rated at 430. Most 400 amp services will use parallel wires on each leg to feed the circuit. A 3/0 wire with an insulation factor of 75 and 90 degrees C is rated at 200 and 225 amps respectively. The insulation rating of these conductors will be 600 volts.

Wire size calculations and breaker sizing are based on the motors amperage. If the amperage is not known the electrical code book rating are used by electricians. The book states that a three phase 30 HP motor draws 80 amps. An 80 amp motor needs a conductor rated at 100 amps. A #3 copper conductor with an insulation factor of 75 or 90 degrees C is rated at 100 and 115 amps respectively. Non time delay fuses rated at 225 amps, time delay fused rated at 125 amps or a breaker rated at 200 amps. These figures can probably be reduced if the actual motors amperage rating is used in the calculation.

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Depends on the load it will carry which you failed to list.

300 kcmil @ 75°

Use AWG #1 copper service entrance wire and #4 copper ground wire.

The 225 amps is the secondary output amperage. Look on the machines nameplate to find the input amperage. It is that amperage that is needed to size the feed wire and there the breaker size. When you find that amperage you may want to re question the breaker size.

Lake Geniva in Switzerland is 225 sq mi in size

The 2 largest commercial aircraft are the Airbus A 380 and the Antonov 225

A 3/0 copper conductor with an insulation rating of 90 degrees C is rated at 225 amps.

In a three phase 225 amp panel, there would be a total of 225 amps available for each phase, making it a total of 675 amps for all three phases combined. This means that you could have up to 225 amps of current flowing through each phase simultaneously.

Wikipedia: "The first An-225 was completed in 1988 and a second An-225 has been partially completed. The one An-225 is in commercial operation with the Antonov Airlines carrying over-sized payloads."

NO, rim size is incorrect.

The factory size is: 225/70-15

The factory size is: 225/60-16