Features 1. Over-voltage and under-voltage protection and other functions 2. The main feature is that the line has overvoltage or undervoltage, overcurrent situation, the product can immediately cut off the power supply, protect the electrical equipment from damage. 3, Mainly used for the protection of over-voltage, under-voltage or over-current of the residential box distribution wire or the protection of single-phase power equipment. 4. Suitable for single-phase AC voltage 230V, 50/60Hz, rated working current 63A and below users or loads 5. Low power consumption and long mechanical life Specification Model: SVP-916 Rated Voltage: 100-130VAC 50 / 60Hz Rated Current: 1-40A adjustable 1-63A adjustable 1-80A adjustable Undervoltage Protection Value: 219V-150V-OFF (Adjustable) Overvoltage Protection Value Range: OFF-80V-100V (Adjustable) 90V (Default) 40ver Voltage Protection Value Range: 130V-150V-OFF (Adjustable), 140V (Default) Recovery Delay Time: 2-512s (default is 60s) Boot Delay Time: 2-255s (default 2s) Mechanical and Electrical Performances: 4000 times Disconnect Capacity: Overvoltage: 221~300V Undervoltage: 219~150V (adjustable) Package Includes: 1 x Protector