Box-type substation

JXF Series Wall-Mounted Low-Voltage Power Control Box

This product is suitable for circuits with an AC frequency of 50 Hz and a rated operating voltage of 500 V or lower. Under special requirements, the protection rating can reach IP5. It features knock-out holes, and multiple conduit entries can be accommodated via pre-installed removable mounting plates. The maximum rated current can reach 400 A. This product is particularly well-suited for metering switchboards used by industrial, mining, and hotel customers. The product’s enclosure protection rating is IP53.

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JP Integrated Distribution Box

The JP integrated distribution box is a new type of comprehensive control box manufactured by our company, integrating power distribution, metering, protection, control, and reactive power compensation into one unit. As rural grid upgrades continue to deepen, a large number of JP cabinets have been deployed in rural power lines and various distribution substations.

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GCS Low-Voltage Withdrawable Switchgear

The GCS-type low-voltage withdrawable switchgear boasts high technical performance indicators, meeting the demands of power market development and capable of competing with currently imported products. It is suitable for power distribution systems in industries such as power plants, petroleum, chemical engineering, metallurgy, textiles, and high-rise buildings.

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High-voltage switches are of great significance to the safety and operation of power systems.

High-voltage switches are primarily used for control and protection in power systems. They can connect or disconnect specific electrical equipment or transmission lines as required by grid operations, and they can also rapidly isolate faulty sections of equipment or lines during a fault, thereby ensuring the normal operation of the healthy portions of the grid and the safety of both the equipment and the personnel responsible for its maintenance and operation.

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The Three Major Technologies Facing Intelligent Vacuum Circuit Breakers—Erzheng Electric Invites You to Learn More

As one of the core components of power transmission and distribution equipment, the vacuum circuit breaker—how to meet the smart grid’s demands for informationization, digitalization, automation, and interactivity—has become a key issue of shared concern among research institutions and manufacturers. Recently, industry experts have offered their perspectives on the technical challenges confronting intelligent vacuum circuit breakers.

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Thank you to Anhui Erzheng Electric Co., Ltd. for organizing the tour.

In August 2020, the height of summer travel season, Anhui Erzheng Electric Co., Ltd. organized a two-day excursion to Lianyungang, Jiangsu, allowing employees to unwind, escape the pressures of work, and reconnect with nature—rekindling their enthusiasm for both work and life.

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Grounding Methods for High- and Low-Voltage Switchgear—Explained by Erzheng Electric

Today, the editor from Erzheng Electric will mainly discuss grounding methods for high- and low-voltage switchgear. Let’s take a look together.

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Circuit Technology and Enclosure Technology of Cable Junction Boxes

Electrical wiring within a cable tap-off box is of paramount importance for boxes installed at designated locations. Although the enclosure‑related technical specifications of many tap-off boxes in the same project may be identical, their internal electrical wiring typically varies significantly; indeed, the electrical wiring constitutes the most critical technical aspect of a cable tap-off box.

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