New air compressor keeps tripping breaker...not a happy camper

[Backpayne]

Need help guys. Bought a new Kobalt 60 gallon, 240v air compressor today. I got it home, wired with a plug, and hooked it up. Turned it on and the breaker trips. Hooked it up to the other 240 outlet (welder outlet) and same thing. When I turn it on the motor moves the pulley a mm or so then stops.

I did reset the breakers and my 240 welder works in both.

Did I buy a dud? Are my breakers duds? I'm pretty bummed.

[truckster]

My first question would be what's the amperage on your 240v circuit and what does the compressor draw?

I just looked up your compressor on Lowes' website. I think it's the 3.7 hp compressor, so at 230 volts it should only be drawing about 12 amps. Your circuit is going to be at least 30 amps, so that's not the problem. There might be something wrong with the compressor, or the motor might not be wired correctly.

[Backpayne]

30 amp double breaker, air compressor is rated at 15.7 amps

[LEEVON]

Sounds like it's locked up...? I know you didn't just jump in the truck and drive two miles to get that being down in Seligman. Sorry : (

[Backpayne]

Apparently my motor was installed on a Friday. I took the metal plate off of the motor connection and compared it to the wiring schematic on the motor case. Stupid white and black cables were switched. Swapped them and she fired right up.

Whew!

[truckster]

That's good news. Congratulations.