Sealey professional mig welder 250a 415v with binzel euro torch sealey powermig3525 tried and trusted by fabricators and professional car repair shops across the uk superb quality heavy duty electronic wire drive motors and industrial transformers make these machines unmatched in performance and value just check the specifications ideal for industrial use where 400v 3ph supply is not a problem these four top of the range 3ph units are covered by the sealey 12 month warranty plus an add