I have an ac225s lincoln arc welder. How many amps does it draw at peak load?
don e asked:
Can I plug it into the dryer plug which is a 240 v, 30amp? How high can I run the amps up on the welder before it blows the circuit breaker? And would it only trip the breaker or would it damage the welder or wireing from the breaker to the dryer plug. I’m basically trying to find out how high I can turn up the amps on the welder before it will trip the breaker.
Welder Photos
Can I plug it into the dryer plug which is a 240 v, 30amp? How high can I run the amps up on the welder before it blows the circuit breaker? And would it only trip the breaker or would it damage the welder or wireing from the breaker to the dryer plug. I’m basically trying to find out how high I can turn up the amps on the welder before it will trip the breaker.
Welder Photos
5 Responses to “I have an ac225s lincoln arc welder. How many amps does it draw at peak load?”

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I have done this.
30 amps is not enough to run the welder at it’s full power.
You should however be able to weld ok.
You may want to use smaller diameter rods, 1/8″ or so and try to keep the current down to less than 90 amps.
Blowing the breaker is the worst that should happen.
hey bert, your right on the money
It’s kind interesting to note that usually, names of arc welders
has a number affixed to it like this one-ac225s. Mine is a Parva 145 and the specification says that its peak load current is 145 Amperes. Obviously this one is a 225 amps welder. A big one. To find out the current drawn from the supply breaker, the arc voltage should be known and this is usually indicated in the specs plate of the equipment. If it says 40 volts, then your supply line and breaker should be higher than 30 amperes. If it is 30 volts, then your breaker and line ampacity is just on the margin, 28 amps. If it is 50 volts, you really have to change your supply line capacity to a little bit better than 50 amps. at full load of 225 amperes.
you are all wrong as shiite doggie doo,,, !!
the machine will not draw more than 30 amps from the supply line,, ever!!! the 225 amp output from the machine to the weld is created by transformers in the machine!!! a 30 amp circuit is more than enough for this little welder!! BUT NO! you can not plug it into the washer outlet as the plugs are different,, you need to change one or the other!! welders use small three conductor plugs,,, and all new welders have thermal cut outs that will cause the machine to quit if you weld too long or build up too much heat internally… also most house 220 volt lines are not compatible to welders,,, i use 8 guage on my dedicated line as it is a short line,,,, 4 guage or bigger if more than 25 feet!!
check lincoln web site