over voltage and over current protection portable welder generator

{"cid":"91191208","title":"Civilian Portable Welder Generator 200A MMA Gasoline Welder Generator","imgUrl":"https:\/\/img.chinax.com\/nimg\/24\/26\/e96470b21f80357dd8b617a5c390-200x200-1.jpg","attrs":{"Price":"USD536-560\/set","Brand Name":"Aipower","Model Number":"SUA200M","Minimum Order Quantity":"1 container","Delivery Time":"20-30 days after received prepayment","Certification":"CE","Place of Origin":"Chongqing,China","Payment Terms":"T\/T,, L\/C","Supply Ability":"1000 sets per month","Packaging Details":"Seaworthy carton,740*550*545mm, Sets\/20GP","Rated Duty Cycle":"35%\/170A\/26.8V","Rated Power Output":"AC5.0Kw\/240V or 120V","Engine brand & type":"gasoline welder generator","Max. power\/Speed":"9.0Kw\/3600rpm","Fuel":"Gasoline","Start method":"Recoil\/Electric","Net weight":"87Kg","Packing sizes":"695*525*562mm"}}

{"cid":"91192209","title":"Industrial Portable Inverter 3 Phase Welder Generator 250A To 630A MMA MIG DC Welding Machine","imgUrl":"https:\/\/img.chinax.com\/nimg\/f4\/ac\/2633e3abd78825e293f1488b1644-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"GENOR POWER","Model Number":"GNAW630","Minimum Order Quantity":"1 Set","Delivery Time":"Within 20 days","Certification":"ISO9001:2008, CE, CCC","Place of Origin":"China","Payment Terms":"T\/T ,L\/C ,Western Union, MoneyGram, D\/A","Supply Ability":"200\/sets per Month","Packaging Details":"Wooden Package \/ Plywood case","Product name":"Diesel generator DC welder","Engine type":"4 strok ,direct injection ,Diesel engine","Welding Current":"250A to 630A","Cooling system":"Water cooled","Excitation Type":"AVR Brushless Self exciting","Engine RPM":"1500rpm","Frequency":"50Hz","Protection Class":"IP23","Start system":"Electric start"}}