220V 40A adjustable voltage regulator with overvoltage and undervoltage protection and automatic recovery function.

About This Product

【Voltage Regulator】This intelligent adjustable surge and undervoltage protection device has a rated current of 40A and is suitable for single-phase power distribution systems. It provides overvoltage, undervoltage, and overcurrent protection. Protection parameters can be easily adjusted via buttons, and its self-resetting design automatically restarts after a fault reset without manual intervention.

【Digital Display】This product is equipped with a digital display screen that shows the circuit's voltage and current values in real time. Overvoltage, undervoltage, and overcurrent indicator lights are clearly visible, providing a clear overview of operating status and fault information for quick power supply problem detection.

【Adjustable Surge Protection】This product features a SET button and up/down adjustment buttons. Parameter configuration is simple, allowing for precise adjustment of the protection threshold according to different usage conditions. This meets the protection needs of various power distribution environments, including residential and commercial settings.

【Easy Installation】This product is DIN rail mounted. Dimensions are 35mm × 85mm (front) and 65mm × 45mm (side). The compact design saves space on the distribution panel.

The "top input, bottom output" wiring method simplifies and speeds up installation. [Wide Applications] This product is suitable for single-phase applications in homes, small businesses, and offices. It provides overvoltage, undervoltage, and overcurrent protection for electrical equipment such as air conditioners, refrigerators, and lighting systems. It is an intelligent protection device for low-voltage power distribution networks.