Circuit breaker rating for Econitig

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I bought a used Econotig and had an electrician tapped off my 220V AC window unit. This line tie to a two 40 amps circuit breakers for a total of 80 amps.When I started to weld Aluminum and went all out on the pedal, I kept tripping the circuit breaker.So the question is this: If the welding machine is rate for 165Amps, do you put it on a 165amps circuit breaker?
Reply:I think a double-fifty should do. Input power is not the same as ouput power, because it is not a one-to-one function.City of L.A. Structural; Manual & Semi-Automatic;"Surely there is a mine for silver, and a place where gold is refined. Iron is taken from the earth, and copper is smelted from ore."Job 28:1,2Lincoln, Miller, Victor & ISV BibleDanny
Reply:Primary and secondary ratings for welders are 2 different animals.JasonLincoln Idealarc 250 stick/tigThermal Dynamics Cutmaster 52Miller Bobcat 250Torchmate CNC tableThermal Arc Hefty 2Ironworkers Local 720
Reply:Originally Posted by qdnI bought a used Econotig and had an electrician tapped off my 220V AC window unit. This line tie to a two 40 amps circuit breakers for a total of 80 amps.When I started to weld Aluminum and went all out on the pedal, I kept tripping the circuit breaker.So the question is this: If the welding machine is rate for 165Amps, do you put it on a 165amps circuit breaker?
Reply:Got it!Thanks folks
Reply:I've run mine off of a 50A without any troubles.Dynasty200DX w/coolmate1MM210MM VintageESAB miniarc161ltsLincoln AC225Victor O/A, Smith AW1ACutmaster 81IR 2475N7.5FPRage3Jancy USA1019" SBAEAD-200LE