Main features DN7 type spot welder DN series spot welder is widely used in metal cabinet manufacturing, construction machinery repair, auto parts, bicycle parts, shaped standard parts, handicrafts, electronic components, instruments, electrical switches, cable manufacturing filter, muffler, metal packaging, chemical containers, wire mesh, mesh baskets and other metal products industries. DN series of spot welding can low carbon steel, sheet metal of different thickness, steel garden with garden steel, small diameter wire, steel and non-ferrous metal parts and various shaped pieces of high-quality, high efficiency welding. Technical Specifications Model Rated capacity input voltage output voltage frequency characteristics of the load rate plus maximum short circuit current maximum pump pressure of the cooling water flow pressure DN-7 7KVA 220V up to 3.52v 50Hz-60Hz 20% 5000A> 2000 N None None Maximum welding electrode size shape weight capacity Grip size electrode tip electrode arm cold 1 + 1mm kilograms of high 1020mm 10mm 10mm 400mm 320mm wide galvanized plate 1 + 1mm stainless steel welding wire 800mm long by our company philosophy: science and technology as the driving force, the pursuit of perfection, and strive to develop market, service customers.