Product Name: MMA-250 Portable DC Inverter IGBT Welder Welding Machine Model NO.: MMA-250 Welding Machine Type: Manual metal-Arc Welder Work Form: One-Body Electric Current: Inverter Frequency Range: High Frequency Style: Portable Cooling Way: Air Cooling MMA: 250 Welding Machine Transport Package: Carton Origin: China HS Code: 8515390000 Product Description 1. FeaturesSmall size,light,portable,durableEasy operationStable ARC,good welding performanceCPU control,self checking and protectionContinous workingWith Arc force2. Technical parameterInput: 220V/50HZOCV: 60+/-5VFull duty cycle at 40ºC: 250ARated power: 10KVAEfficiency: 90%Power factor: 0.9Input voltage range: 160--260VACSelf-protection: Low voltage/Over voltage/over heatProtection grade: IP23Insulation class: FDimension: 258*136*230mmWeight: 5KG