1.Easy structure and convenient maintenance 2.Output voltage and spot welding time can adjust separately 3.Quick welding speed and high frequency typeDN-15DN-25rated input capacity15KVA25KVArated input voltage220/380V220/380Vrated input current39.5A65.8Ano-load voltage1.7-3.4V1.76-3.52Vrated load cycle20%20%arm length320mm350mmregulating grade66welding thickness0.5-2mm1.0-3mmweight80kg100kgdimension980*380*1140