Product Name: Inverter IGBT Hf Pulse TIG Welding Machine with MMA Function (TIG-400A) Model NO.: WSM7-400 Electric Current: Inverter Frequency Range: High Frequency Control: Manual Cooling Way: Air Cooling Trademark: MORROW Transport Package: Carton Specification: 590*306*500 Origin: China HS Code: 8515390000 Product Description Product Description:1. Using inverter technology, IGBT dual module to save energy.2. Reactors and transformers are all copper wire wound.3. The actual input current ensures compliance with the described current value.4. Small size, light weight, high reliability, good welding effect.5. All products are available for OEM.6.Guaranty: One year for the whole machine and PC board, and we will offer you spares valued 4% of the total amount for you to do maintenance.Features:1.Adopt the soft switch technology, high efficiency, low power consumption2.Automatic protection from overcurrent, overheat, over/under voltage3.Support DC TIG welding, pulse TIG welding and MMA welding, can weld such metals as stainless steel, alloy steel, copper, silver, titanium, etc.4. In TIG welding, can select DC or pulse welding according to the requirements, can adjust the peak/bottom current, pulse duty circle and frequency according to the size of welding seam5. In TIG welding, HF automatically strikes arc, and extinguish automatically after the arc is successfully stroke, high efficiency6. With the long/short seam switch and gas/water cooling switch, can make selection according to the actual need7.In MMA welding, suitable for the electrode with a diameter of below 5.8mm8.Can realize TIG grounding and MMA covering once a time, high efficiency, especially suitable for the welding of thin rare-metal board9.Wide range of supply voltage, as wide as ±20%Technical Parameters:ContentsWSM7-400Power source3-phase 380V/415V 50HzRated input capacity17.3 KVARated input current26.3 ARated TIG welding current400AWelding current400A 60%DE315A 100%DEAdjustment range of current (A)20-400Efficiency>85%No-load voltageTIG40-50VMMA70-80VCurrent up/down-slope time 0-10 SMaintaining time0-10 SPeak//bottom current (A)20-400Pulse frequency (Hz)0.25-25Pulse duty circle (%)1-99Dimensions (mm)590×306×500Weight (Kg)55Company Description:Sichuan Morrow Welding Development Co., Ltd. ( MORROW WELDING) is a high-tech enterprise specialized in research, development, production and sales of IGBT series inverter welding products. We established Morrow Inverter Power Research Institute to specially engagein research, development, and regeneration of inverter welding machine. We can develop and produce specialized products according to different requirements of different customers. All of our products are produced in line with ISO9001:2000 quality system certificate and have"CCC" certificate. With the business philosophy of "Quality First, Performance First, and Service First", we are dedicated to offering ideal welding equipment for domestic and overseas customers.