“SEC” Make Arc Welding Rectifier Model-“SEC-400Amps”, Input 400/440V AC, 3 PHASE, 50 HZ, 20 KVA, OCV 85V DC, Current range 30-400Amps, Fitted with silicon diodes, Forced Air-Cooled, Fitted with Digital Amps., & Volts Meter & Golden Yellow Powder Coated Body & Mounted on wheels (WITH SAFTY DEVICE)