Specifications:Name: Portable Hand-Held Welding Kit Electric Welding MachineColour: BlueModel: MMA-300Input voltage(VAC) : 3-380+/-10%Power: 7000WRated frequency: 50/60HzRated input capacity: 14KVADuty cycle: 60%Output current: 20-300ANo-load Voltage: 72 VRated load sustainability: 60%Efficiency: 85%Power factor: 0.93Shell protection grade: IP21Insulation grade: FApplied stick thickness: 1.6-4.0mmElectrode: 2.5-3.0Over current automatic protection: YesGround wire: approx. 1.1mElectric clamp: approx. 1.8mSize:approx.33.5cm x 21cm x 14cmRecommended Welding Electrode Thickness: 2-6 mmApplied electrode: general, stainless steel, cast iron and other basic coated electrodeSuitable material: stainless steel, carbon steel, iron, copper and other non-ferrous metalFeatures:- Pure copper welding wire for sufficient power.- High quality plastic handle, easy to carry out.- Over-current and overheat, double protection.- Fully automatic DC voltage stabilized welding machine.- Provide a stronger, more stable and more concentrated arc.- High welding efficiency, 60% duty cycle, ensures long time welding.- Digital display, allows adjusting output current ranging from 20 to 300A.- Heat dissipation shutters, effectively promote the heat dissipation of machinery.- Adjustable arc force control, prevents the electrode from sticking during welding.- Hot start, increases the output amperage at arc start to eliminate sticking of the electrode.- Advanced IGBT inverter technology, features excellent arc stability and less spatter.- Application: widely used in welding various kinds of acid and alkaline electrodes welding rod.Package Includes:1 x Main host1 x Ground wire1 x Electric clamp1 x Belt1 x Face Mask1 x Rapping hammer1X Manual- High quality plastic handle, easy to carry out.- Over-current and overheat, double protection.