is this a question or a statement ?

 

Posted a picture of the following welder. To me looks like a transformer arc welder and it has three duty cycles on the name plate. When connecting this for a customer do you tell them that if you want to use the machine full power then you use the full 80 amps if they are going to weld four minutes out of 10 on average then can use the correction factor in the code book.
If the correction factor is used say for welder say it is a plug in welder should the plug label the duty cycle. Or maybe the welder be labeled what the duty cycle is.

 

Wouldn't it be the other way around?

When using it for short periods of time, you need a large overcurrent protection, because short cycling it using a higher current from all the starting the arc.

Regardless, wire it for it's max.

 

Hook it for full power. Their usage today may not be the usage in a month.

 

Duty Cycle is how long you should run your welder before it’ll shutdown. Duty cycle is given in a percentage out of 10 minutes. For instance, the Millermatic 212 at 160 amps (at 24.5 VDC) has a 60% Duty Cycle. This means it can weld continuously for 6 minutes straight before it has to reset itself. Welders with 80% Duty Cycle can weld for 8 minutes straight before the machine has to reset. It’s worth noting that all the machines sold on Welding Supplies from IOC will reset themselves unlike some cheaper machines sold by some big box stores that could burn up if their duty cycle is maxed out.

Does Duty Cycle Really Matter?

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