Actually Bob's point is valid. The wiring for a VFD is not based on the output wiring/motor current but the input rating of the VFD. It could pull full current of the rated VFD independent of the motor load. A 2 Hp VFD typically specifies a 30-40A fuse rating depending on the type of fuse, a breaker rating of 30A at 230 VAC for 2-3Hp. The Fuji Mini specifies a 30A J class fuse or 20A breaker at 230VAC for the 2 Hp VFD. You can get by with a 20A breaker circuit. The breaker is suppose to be rated at 125% of the input amperage of the VFD, there are also some rounding rules for breakers. If you are adding 230VAC circuits, consider a 20 or 30A breaker. The wire from the breaker to the VFD would need to be sized according to the breaker size. Breakers typically protect the wiring and prevent fires from short circuits/overloads, fuses are meant to protect equipment, but at this level of VFD they are a toss if they fail.
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