Feature 1 When the single-phase circuit has an undervoltage, when the current is faulty, the line is cut off, and when it returns to normal, it automatically recovers. 2 The product has voltage, current and power display 3 Product design with anti-thunder protection, it has stable performance 4 Made of high quality material, durable and long service life 5 With overvoltage protection, undervoltage protection and current limiting protectionItem Type: Voltage ProtectorInput Voltage: 85~300VOver-Voltage and Under-Voltage Protection Value Adjustable: 85-300V (default 270V)Undervoltage Protection Value Adjustable: 85-300V (default 170V)Current Limit Protection Value Adjustable: 1-63A (default 40A) 1-80A (default 60A)Frequency: 50/60HzVoltage Wire Power Consumption: 0.5wCurrent Wire Power Consumption: <1VARange: 0~9999.99KWhVoltage, Current, Power Accuracy: +0.5%Power Accuracy: +1%Working Temperature: -25 ~ +70Humidity: 85%Electrical Mechanical Life: 100,000 timesOptional Style: 63A, 80A.w-e-text table td,.w-e-text table th,.wang-edit-text table td, .wang-edit-text table th{border: .5pt solid #000;};.w-e-text table,.wang-edit-text table{border: 1px solid #000 !important;}Package List1 x Voltage ProtectorNoteNew‑style and old‑style are shipped randomly