Overvoltage and Undervoltage Protector

Your Professional Overvoltage And Undervoltage Protector Supplier

Tengtai brand operator TengTai International Co., Ltd. was founded in 1984. After 30 years of market development and development, it has become a large-scale modern private electrical appliance enterprise integrating manufacturing, scientific research, trade and service.

The products are mainly involved in surge protectors, high and low voltage transformers, zero sequence transformers, reactors and so on.

Why Choose us

CHQ3-G Series Two-phase Over-voltage And Under-voltage Protector

Quality Certification

Our products have successfully obtained ISO 9000 system certification, national mandatory product certification, metrology certification (MC), export CE certification, and our lightning protection products are officially registered in all provinces nationwide.

Advanced Production Equipment

By introducing cutting-edge foreign testing equipment, we strictly adhere to quality control processes, ensuring superior product performance. As a result, the company's products continue to be highly favored by both new and long-term customers.

Production Technology

We utilize imported high-quality PC materials combined with sophisticated manufacturing techniques to develop products that not only meet user needs but also lead market trends.

Parameter

Techical Parameters Model	CHQ3-G(36)
Rated ac voltage	220V
Frequency	50Hz
Through the maximum current	20A	32A	40A	50A	63A
The maximum load power	4.4KVA	6.6KVA	8.8KVA	11KVA	13.8KVA
Overpressure action to cut off the values	260-275VAC
Overpressure recovery value	48±5VAC
Undervoltage action to cut off the values	170±5VAC
Owe pressure recovery value	183±5VAC
After power transmission delay	1-5 minutes
Their power consumption	≤2W
Electrical mechanical life	≥9 Ten thousand times
Shape	85mm×36mm×66.5mm(Long * wide * high)

Functions of Overvoltage And Undervoltage Protector

Overloaded Circuits:

When the load in a circuit exceeds the supply capacity, the voltage can drop.

Power Supply Issues:

Such as damaged power lines or faults in the power source.

Electrical Equipment Failures:

Certain equipment failures may result in voltage drops.

Working Principles

Over Voltage Protection

When the voltage exceeds the upper limit of the preset threshold, the protector’s sensor detects this change and immediately sends a signal to the control unit. The control unit then commands the relay to disconnect the power supply, preventing current from flowing to the devices. During this process, the over voltage protector may also activate an alarm to notify the user to check the power source.

Under Voltage Protection

Similar to over voltage protection, when the voltage drops below a predetermined lower limit, the sensor detects this condition and sends a signal. The control unit assesses this as under voltage and disconnects the power supply via the relay to prevent devices from malfunctioning. The protector may also trigger an alarm to alert the user about the power supply issue.

Application of Overvoltage And Undervoltage Protector

Residential Electrical Systems

In homes, overvoltage and undervoltage protectors can safeguard household appliances such as refrigerators, washing machines, and air conditioners, ensuring they operate within safe voltage limits and preventing damage due to voltage fluctuations.

Industrial Equipment

In industrial environments, overvoltage and undervoltage protectors are widely used to protect various machines and equipment. These devices are often sensitive to voltage changes, and protectors can effectively prevent equipment failures, ensuring operational safety.

Renewable Energy Systems

In solar power systems, overvoltage and undervoltage protectors can be utilized to protect critical equipment such as inverters from voltage fluctuations, thereby ensuring the stability and reliability of the system.

Delivery Information

Shipping Methods: We offer a variety of shipping options, including sea freight, air freight, railway transportation, and international express delivery, to meet the diverse needs of our customers.

Estimated Delivery Time: We will provide you with the estimated delivery time for your order, which will be clearly stated in the formal order to ensure your rights are protected, allowing you to arrange for the receipt of your goods in a timely manner.

Order Tracking: We provide order tracking services, allowing you to stay informed about the current status and expected arrival time of your order. Detailed inspection information and shipping manifests, including photos and videos, are provided to ensure the security of your transactions.

Certificate

FAQ

Q: What is overvoltage and undervoltage protection?

A: The over voltage may also be caused by a damage in the circuit or loose connections in neutral wire. Anything below that will be considered as under voltage and anything above that will be considered as over voltage. Thus, we can protect the equipment from damage.

Q: What is the purpose of undervoltage protection?

A: Under-voltage protection is very important to protect the life of your batteries, your motor, and even your AC. The protection circuit is designed in such a way that it protects the electronic components like the DC input signal from being transformed into excessive or low voltage.

Q: Is over voltage protection the same as surge protection?

A: Surge protectors primarily safeguard against the hazards caused by high voltage and high current surges induced by lightning, making them suitable for instantaneous protection. Over/under voltage protectors mainly protect against the hazards caused by excessively high or low voltage in the power grid.

Q: What is the difference between under voltage relay and over voltage relay?

A: Simply put, an under-voltage protection system is imperative to extending the life of an electromechanical device. Over-voltage protection, on the other hand, is a system that cuts off power-supply when pre-set levels of voltage is exceeded.

We're professional overvoltage and undervoltage protector suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy high-grade overvoltage and undervoltage protector made in China here from our factory.

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