supply of supply, installation and commissioning of heavy duty portable inverter welding. , supply, installation and commissioning of heavy duty portable inverter welding machine (igbt based).single phase, mains supply ,v/ph.hz-230 v single phase,50hz.input power (max) ,kva-12, output current range a-30-250a,maximum load at 60 % duty cycle a-250a,maximum load at 100% duty cycl e a-194a,open circuit voltage v-80v ,display-digital display, efficiency-88. the supply shall include equipment as detailed in the specifications along with the all the accessories which are essential to make the equipment fully operational when connected to power source. detailed description enclosed.warranty peri od: 30 month(s) from the date of supply [ warranty period: 30 months after the date of delivery ] ]