AC390-500V 3 Phase DIN Rail Voltmeter Ammeter Overcurrent Overvoltage Protector Auto Reset Digital Display Voltage Current Real Time (40A)

SAFE USE: When the protector is overloaded, it automatically cuts off the power supply, and the power is then supplied normally within the specified power limits, thus preventing any risk of overvoltage or undervoltage.
EASY INSTALLATION: This three-phase voltage protector is installed via a DIN rail, making it simple and easy to use, and stable and secure after installation.
FAST RESPONSE: The current voltage protector has a fast response time and sensitive internal components, saving you working time and making it more convenient.
AUTOMATIC RESET: The protector has an automatic reset function, which can prevent long-term power outages and ensure its lifespan.
DIGITAL DISPLAY: The digital display shows the operating voltage and current in real time, allowing you to monitor for anomalies and use it in complete confidence.