Features Under Voltage Protection: The protector can effectively prevent electrical appliances from being damaged due to too high or low voltage, to reassure you. Auto Reset The surge and undervoltage protection can be reset automatically without manual operation, saving time and effort. Delay Reset The protector supports automatic delay reset, fault recovery time and start time are adjustable, very convenient. MULTIFUNCTIONAL This voltage protector has the functions of selecting reset mode, fault query, factory reset, etc., very convenient and functional. Easy to Install The protector is lightweight and small in size, adopts DIN rail installation, very easy to install, you can finish in minutes. Specification: Item Type: Surge Protection Material: PC. Rated voltage: 230V AC Rated current: 100A. Surge action: 275V ± 5V Reset voltage: 250V Under-voltage action: 160V ± 5V. Reset voltage: 185V Reset time: 25S ± 5S Pole Number: 1P+N Rated limited current short circuit capacity: 6KA Wiring mode: upper outgoing line, lower incoming line Applicable temperature: -5°C to 40°C Package list: 1 x surge protector Package List 1 x Over Under Voltage Protector