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Product Introduction:

NM-7111H11 Phase sequence protection relay

Phase sequence protection relay is a vital component in power systems that ensures the proper functioning of electrical equipment. Its job is to detect any deviations in the phase sequence and interrupt the electrical supply to prevent damage to the equipment.

This relay has many benefits for power systems, including increased safety and reliability. By ensuring that the phases are in the correct order, the relay prevents electrical faults and reduces the risk of fires and other accidents.

The phase sequence protection relay also helps to increase efficiency and reduce costs by preventing wastage of electrical power. When the phases are in the correct order, electrical equipment can operate at peak efficiency, reducing energy consumption and cost.

Moreover, this relay is easy to install and requires minimal maintenance. It is a simple yet effective device that can provide years of reliable service, making it an excellent investment for power systems.

Overall, the phase sequence protection relay is an essential component in power systems that plays a crucial role in maintaining safety, reliability, efficiency, and cost-effectiveness. By providing early detection of electrical faults and preventing damage to equipment, this relay helps ensure the smooth functioning of power systems, delivering electricity to households, businesses, and industries.

Voltage protection relay uses a high-speed and low-power processor as its core, when the power supply line has over-voltage, under-voltage,or phase failure, phase reverse, the relay will cut off the circuit quickly and safely to avoid accidents caused by abnormal voltage being sent to the terminal appliance. when the voltage returns to the normal value, the relay will turn on the circuit automatically to ensure the normal operation of the terminal electrical appliances under unattended conditions.

1. Cut off the lline when over&under voltage occurs,ａnd automatically reset and connect the line after returning to normal without manual operation.

2. When the line appears transient or transient over & under voltage, then protector does not malfunction.

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