Tuya WiFi 1-63A Intelligent Automatic Reclosing Protector Current... By integrating over-voltage, under-voltage, over-current, and leakage protections and functions in one, it comprehensively ensures circuit . The WiFi version can be controlled by your cellphone via the APP. 4p 100A Tuya WiFi Three Phase Smart Life Auto-Reclosing Over Under Voltage Protector Smart Meter Timer Switch Circuit Breaker Single Phase Protector WiFi Automatic Reclosuring Protector Intelligent Circuit Breaker Single Phase Digital Display Reclosing Switch Adjustable Voltage Current Leakage Single Phase KWh Meter Breaker It also has a power failure memory function. DINrail type snap installation, no screws required, buckle fixation. Specifications:Name: Automatic Reclosing Protector: plasticsVersion:common version, WiFi version(optional)Item size: 39 * 95 * 70mm / 1., 54 * 3., 74 * 2., 76inItem weight: 182g / 6., 42ouncePackage size: 100 * 44 * 76mm / 3., 94 * 1., 73 * 2., 99inPackage weight: 198g / 6., 98ouncePacking List: 【Wide Applications】: Application scenarios, suitable for household appliances management, remote management, housing rental use, industrial control equipment use, intelligent upgrade of power distribution equipment, etc. By integrating overvoltage, undervoltage, overcurrent, and leakage protections and functions in one, it comprehensively ensures circuit . The over-voltage, under-voltage, over-current, and leakage protective values of this product can all be set up by you and adjusted based on local practical conditions. If the fault has been eliminated, it will automatically reset and restore power. management, on-site equipment control, camera management, room lighting management, household appliances, and so on. Three Phase Reclosure Switch Intelligent Reclosing Protector When overvoltage or overcurrent occurs, the protector will automatically cut off the powersupply to defend home appliances. You can choose according to your needs. 【Easy Installation】: Large wiring port design, makes the wiring process quicker and easier.