Arc Welding Machine 300 Amp

In welding terms amps is the "heat". To get more weld penetration or to weld thicker diameter material, you turn up the heat/amperage. However, to increase the amps you need to have enough volts. In physics terms, amps and volts combine to determine the overall heat input.An ampere is the unit used to measure electric current. Current is a count of the number of electrons flowing through a circuit. One amp is the amount of current produced by a force of one volt acting through the resistance of one ohm. (An ohm is a way of measuring resistance.