supply of portable welding plant 250 s , portable welding plant 250 amps (single phase), igbt based, light weight, low voltage withholder, cable and earth clamp as per technical sp ecification. technical specification: description: portable welding plant 250 amps (single phase) technology: igbt based, no of phases: single phase, rated in put voltage: 160-250 v (single phase) rated input frequency: 50 hz max. welding current: 250 amps electrode diameter: 1.6 - 5 mm power, 10.8 kva availa bility of test certificate. yes. make: toshon/ rilon / shakti / cheston / esab / ibell /cruxweld / miller [ warranty period: 24 months after the date of delivery ] ]