Feature: 1. Has overvoltage protection, undervoltage protection and voltage display (voltage measurement), safer and reliable to use. 2. Both overvoltage protection and overvoltage recovery values are adjustable, and the overvoltage protection action time is adjustable. 3. Both the undervoltage protection value and the undervoltage recovery value are adjustable, and the undervoltage protection action time is adjustable. 4. The fault recovery delay time and poweron delay time are adjustable for better performance. 5. This current protector has the function of reset mode selection, fault query and factory reset. Specification: Condition: 100% brand new Item Type: Current protector Color: As pictures shown Material: Plastic Model: SVP-912 Rated Current: 40A, 63A, 80A Overvoltage Protection Value Range: 130V-150V-OFF adjustable (default 140V) Overvoltage Protection Action Time: 0.1-10s (default 0.1s) Undervoltage Protection Value Range: Adjustable from 100V-80V-OFF (default 90V) Undervoltage Recovery Value Range: 81V-99V (default 95V) Undervoltage Protection Action Time: 0.1-10s (default 0.1s) Failure Recovery Delay Time: 2-512s (default 60s) Delay Time after Power-On: 2-255s (default 2s) Power Consumption: 2W Electrical Machinery Life: 4000 times Size: Approx.81 x 36 x 60mm/3.2x1.4x2.4in Install DIN Rail Working Environment Temperature: -25-+40 Humidity: