Fangrui Product Details Svp-916 Is Automatic Over-voltage And Under-voltage Protector Is Suitable For Single-phase Ac 230v, 50/60hz, Rated Working Current 63a Or Less Loads. It Is Mainly Used For Residential Household Box Entry Or Over-voltage, Under-voltage Or Over-current Protection Of Distribution Lines For Single-phase Electrical Equipment. Its Main Is When The Circuit Has Over-voltage Or Under-voltage, Over-current Problems, The Product Can Cut Off The Power Supply Instantaneously To Protect The Electrical Equipment From Being , Besides,the Protector Can Automatically Turn On The Power Supply When The Circuit Voltage Returns To The Normal. Color: White Material: Plastic Functions: 1.over-voltage Protection 2.under-voltage Protection 3.over-current Protection 4.automatic Recovery 5.voltage Display(voltage Measurement) 6.current Display (current Measurement) Product Parameters: 1.model Number:svp-916 2.power Supply:230vac 50/60hz 3.max.loading Power: 1~63a Adjustable(default:63a) 4.over-voltage Protection Value Range