Voltage protector is designed to protect home appliances (refrigerators, air conditioners, washing machines, television, video and audio equipment, etc.) against the unacceptable voltage fluctuations and unallowable current. The rated current can be set.

Microcontroller based
Double 3 digit display for operating voltage value
Protect electrical device against overvoltage and undervoltage
Reset/start delay adjustable(5~600s)
Voltage measurement accuracy ≤1%
Parameters setting by keys
LEDs indication for overvoltage and undervoltage faults
3 Module, DIN Rail mounting

RD-MVA voltage and current protector is a type of electronic device that is designed to protect electrical equipment from both overvoltage and overcurrent. Overvoltage and overcurrent can cause damage to electrical devices and even pose a safety hazard. The RD-MVA voltage and current protector is a reliable and efficient solution to this problem.

The RD-MVA voltage and current protector uses metal oxide varistors (MOV) and gas discharge tubes (GDT) to protect against overvoltage and overcurrent, respectively. MOVs are electronic components that have a nonlinear resistance characteristic, which means that their resistance decreases as the voltage across them increases. GDTs are devices that conduct electricity when a certain threshold voltage is reached, which makes them ideal for use in overcurrent protection circuits.

The RD-MVA voltage and current protector is capable of handling voltage spikes up to 6000V and can protect equipment against power surges caused by lightning strikes, power outages, and other electrical disturbances. It is also capable of handling overcurrents up to 40kA, protecting equipment from short circuits, ground faults, and other current-related issues.

The RD-MVA voltage and current protector is designed for use in three-phase systems and can be installed in a variety of applications, including residential, commercial, and industrial settings. It is typically installed at the point where the electrical service enters the building, which is usually the main electrical panel.

The RD-MVA voltage and current protector is easy to install and requires no maintenance. Once installed, it continuously monitors the incoming voltage and current and activates when it detects an overvoltage or overcurrent condition. The device then redirects the excess voltage or current to ground, protecting the connected equipment from damage.

In addition to its voltage and current protection capabilities, the RD-MVA voltage and current protector also provides an indication of its operational status through a built-in LED indicator. This allows users to easily monitor the device and ensure that it is functioning properly.

Overall, the RD-MVA voltage and current protector is an effective and reliable solution for protecting electrical equipment from overvoltage and overcurrent. Its use can help to prevent equipment damage, reduce downtime, and ensure the safety of electrical systems.

Some additional features and benefits of the RD-MVA voltage and current protector are:

1. High-quality construction: The RD-MVA voltage and current protector is built to last. It is made of high-quality materials and is designed to withstand harsh environments. It has a compact design and is built to withstand extreme temperatures and humidity levels.
2. Wide range of protection: The RD-MVA voltage and current protector provides protection against a wide range of electrical disturbances, including lightning strikes, power surges, short circuits, and ground faults.
3. Cost-effective: The RD-MVA voltage and current protector is a cost-effective solution for protecting electronic devices from overvoltage and overcurrent. It is much cheaper than replacing damaged equipment, which can be costly and time-consuming.
4. Easy to use: The RD-MVA voltage and current protector is easy to install and use, making it an ideal choice for homeowners and businesses looking to protect their valuable electronic devices.

In conclusion, the RD-MVA voltage and current protector is an essential device for protecting electronic equipment from overvoltage and overcurrent. It is easy to install, cost-effective, and built to last, making it an ideal choice for homeowners and businesses looking to protect their valuable electronic devices. Its use can help to prevent equipment damage, reduce downtime, and ensure the safety of electrical systems.

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