Technical Data

Number of Poles: 3
Nominal Current: 220/230 VAC
Nominal Voltage: 220V AC
Nominal Current Size: 63A
Maximum Load Power: 63A adjustable
Degree of Protection: CCC, CE certifications
Switching Time: <30 ms
LCD Screen: Yes
Overvoltage Protection Value Range: 240V–300V adjustable
Undervoltage Protection Value Range: 140V–200V adjustable
Switch-on Delay Time: 1s–300s adjustable
Supply Terminals: N, L1, L2, L3
Rated Supply Voltage: 220V AC
Rated Frequency: 50/60Hz
Umax Setting Range: 230-300V
Umin Setting Range: 140-210V
Automatic Delay Time (Ton): 1-600s
Time Delay for Returning to Priority Phase: 1-600s
Time Delay for Switching to Reserve Phase: <0.2s
Voltage Hysteresis: 5V
Overvoltage Disconnection Delay Time: 0.1s; ≥350V: 0.02s
Undervoltage Disconnection Delay Time: 0.1s; ≥350V: 0.02s
Voltage Accuracy: <1%
Maximum Operating Phase Voltage: 350V
Rated Operating Current: 63A
Maximum Operating Current: 80A
Pollution Degree: 3
Ambient Temperature: -25℃~+50°C

Applications

Voltage Stabilization: The switch is designed to protect equipment from both overvoltage and undervoltage, preventing potential damage or malfunction due to unfavorable voltage conditions.
Industrial and Commercial Systems: Used in industrial equipment, commercial zones, and production lines where voltage fluctuations can pose a risk to equipment.
Energy Supply Protection: Used as part of an energy supply system to ensure a reliable and safe power supply, automatically switching phases if the voltage drops or exceeds safe limits.
Residential Buildings: A great solution for homeowners wanting to ensure the protection and stability of their electrical equipment, especially in homes where frequent voltage fluctuations are noticed.
Pros

Voltage Protection: This device provides reliable protection against both overvoltage and undervoltage, preventing potential equipment failures and operational disruptions.
Fast Switching Time: The switching time of less than 30 ms ensures that the voltage is quickly regulated, protecting the equipment from potential hazards.
Adjustable Protection Values: The ability to adjust overvoltage and undervoltage protection values allows the device to be tailored to specific needs and operating conditions.
LCD Screen: The LCD screen allows for easy monitoring of voltage parameters and the system, enabling users to track system status and identify potential deviations.
High Reliability and Certifications: The product is certified with CCC and CE, ensuring it meets the highest quality and safety standards.
Cons

Not Recommended for Outdoor Conditions: The IP20 protection rating indicates that the device is unsuitable for use in damp or open outdoor conditions, and should only be installed indoors or in a protected environment.
Relatively High Power Rating: Although the 63A nominal current is suitable for most industrial equipment, smaller power systems may find it challenging to use this device as it could be excessive for smaller loads.
Higher Cost: Considering the functionality and complexity of the device, its price may be higher than that of simple switch devices or basic voltage protection units.
The voltage control protection relay is a high-quality and effective solution for industrial and commercial environments where equipment protection from voltage fluctuations is essential. The adjustable overvoltage and undervoltage protection, fast switching time, and LCD screen make it easy to monitor the device's condition and provide added safety. While the device is an excellent choice for high-load systems, it should be used only in indoor, protected environments.