supply of single phase igbt controlled base portable dc arc welding machinecurrent 10 amp to 150 amp , input voltage 230 v +/- 15 & 50/60 hz as per kemppi model no.minarc 150, fronius model no transpoket-150, & ewm model no. pico-162 mv (230v).accepted make kemppi/fronius/ewm only. authorization certificate from oem /authorized dealer should be submitted by the firm at the time of supply. weldingmachine should have warranty for 02 years from the date of supply. note : quotedonly authorised dealer firm oem at the time of tender opning.