Mig/mag co2 welding machine diode based continuously feed wire in the form of spool is used as electrode & the arc is shield under the cloud of insert gases such as argon, helium (mag) or mixture of active gases or most commonly used gas co2. features • 100% indian product. • most robust construction. • best suited for solid & flux coated wires, steel or aluminum. • solid state tropicalised pcb for increased reliability. • power transformer with delta to star connection for optimum ocv.