DES BROCHURE REV E INDD

turns ratio of energy storage welding machine

In North America, it is generally standard to rate welding transformers at 50%. On some imported equipment, you will see Duty Cycle ratings of 20%. One may find transformers rated as low as 4%. (A transformer rated at 0% means you could never use it.) Single Phase Amps to kVA calculation S (kVA) = I (A) x V (RMS) /