3 Phase DIN Rail Voltmeter Power Meter, AC 390‑500V Digital Ammeter Automatic Overvoltage Overcurrent Protector, 3 Phase Watt kwh Amp Electricity Tester (63A)

Features

• MULTIFUNCTIONAL CURRENT PROTECTOR: The protector has over voltage , under voltage and other functions. Automatic reset function, which can prevent long term power failure and ensure its service life.
• TO USE: The main feature is that the line has overvoltage or undervoltage, overcurrent condition, the product can cut off the power supply instantaneously, the electrical equipment from damage; when the line voltage returns to normal, the protector can automatically and normally.
• DIGITAL DISPLAY: The digital display screen displays the working voltage and current in real time, you can monitor the abnormality and use it with confidence.
• EASY INSTALLATION: This 3 phase protector is installed by DIN rail, which is simple and easy to operate, and is stable and firm after installation. The protector has a quick response speed and sensitive internal components, saving you working time and making it more practical.
• APPLICABLE EQUIPMENT: It is mainly used for the of over-voltage, under-voltage or over-current in the distribution line of residential household box or the of 3-phase power equipment.