TopTech JCHWS welding power source TopTech JCHWS350 Import European main parts, TopTech power sources have the world first class welding & cutting quality, which can be the same performance as the world big brands'. Main Technical Parameters of TopTech JCHWS350 Machine typeTopTech JCHWS350 Input voltage380V/415V, 3 phase, 50/60Hz Input current25A Duty cycle80% Output voltage72V Output current30-350A Welding bar diameter0.8-1.6mm Gas flow15-20L/min Torch coolingAir cooling Shell IP gradeIP21S Machine size700*430*710mm Machine weight46Kg Company Introduction Beijing TopTech Technology Co., Ltd. was founded in Beijing, the capital and main transportation city in China. With more than 10 years experience in welding and cutting industry, we had R&D our advanced welding and cutting equipment. Mature teams, included sales team, marketing team, production team and after-service team, supply professional service for customers. Strictly follow ISO 9001:2000 world quality management system. Beijing TopTech Technology Co., Ltd. products include plasma cutting machine, laser cutting machine, CNC cutting machine, flame cutting machine, portable cutting machine, gantry cutting machine, laser carving machine, high definition plasma cutting machine, bevel cutting machine, plasma cutter.