I. Overview:
The HXGN15-12 modular sulfur hexafluoride ring main unit is suitable for AC 50HZ, 12kV power systems. Widely used in industrial and civilian cable ring networks and power supply terminals.
II. Main purpose
-- The HXGN15-12 modular sulfur hexafluoride ring main unit is suitable for AC 50HZ, 12kV power systems. Widely used in industrial and civilian cable ring networks and power supply terminals.
-- Specially suitable for the following places: small secondary substations, switch stations, urban residential area power distribution, industrial and mining enterprises, shopping malls, airports, subways, wind power generation, hospitals, sports venues, railways, etc.
III. Normal usage conditions
-- Altitude: ≤ 1000m. (If there are special requirements, please specify them when ordering. Currently, there are 6 groups operating at an altitude of 5200m.)
-- Environmental temperature: -35 ° C+45 ° C, maximum daily average temperature difference ≤ 25 ° C.
-- The average daily relative humidity should not exceed 95%, and the average monthly relative humidity should not exceed 90%.
-- Seismic resistance: 8 degrees.
-- Places with severe vibrations and impacts, as well as no fire, chemical corrosion, or explosion hazards.
IV. Execution standard
IEC298 IEC265 IEC129 IEC694 IEC420 IEC56
IEC529 IEC932 Gb3804 Gb3906 GB11022
V. Cabinet Structure
-- The ring main unit cabinet is formed by riveting 2mm thick aluminum-zinc-coated plates (or cold-rolled plates after powder coating). There are two pressure release holes at the back of the cabinet, one for the cable compartment and the other for the load switch/membrane compartment. This structure can maximize the reliability of personnel installation and equipment operation.
-- Each compartment
-- Cable compartment: The cable compartment is located at the top of the cabinet and is connected to adjacent switch cabinets.
-- Load switch: It is an independent unit and is filled with SF6 gas inside.
-- Cable compartment: Approximately 75% of the space is used for cable connections, fuses, grounding switches, CTs, PTs installation.
-- Mechanism compartment and interlock: The compartment includes the operating mechanism, mechanism interlock, position indication, auxiliary contacts, trip coils, live display, and interlock.
-- Relay box: The relay box is at the top of the cabinet and is optional. The compartment is used to install special devices such as instruments, relays, and motor units.
-- Circuit breaker compartment: One circuit breaker can be placed below the load switch.
-- Pressure release
-- Above pressure release: This is for releasing the gas pressure generated during arc accidents in the cable and load switch compartments.
-- Below pressure release: This is for releasing the gas pressure generated during arc accidents in the cable compartment.
| Model | Size |
| HXGN15-12 | 130*100*200cm |
At Jihui Electric Group Co., Ltd., we focus on the research, development, manufacturing, and service of medium and low voltage power transmission and distribution equipment. With years of experience in the electrical industry, we provide reliable power solutions for utilities, engineering companies, industrial customers, renewable energy projects, and infrastructure builders around the world.
Our HXGN Series AC Metal-Enclosed Ring Main Switchgear is developed for modern medium voltage distribution systems where safety, stability, and efficient operation are important. Designed for AC power distribution applications up to 12kV, this equipment provides reliable switching, control, and protection functions for ring network power systems.
When we design medium voltage switchgear, we always consider real working conditions. Customers do not only need a cabinet that can carry electricity. They need equipment that can operate safely for many years, reduce maintenance problems, save installation space, and adapt to different project environments.
The HXGN Series AC Metal-Enclosed Ring Main Switchgear combines a compact structure, reliable electrical performance, and flexible configuration options. It is widely used in urban power networks, industrial plants, commercial buildings, renewable energy facilities, mining projects, transportation systems, and other medium voltage applications.
As a professional Medium Voltage Switchgear Manufacturer, we continue improving our product design, manufacturing process, and quality management system to provide customers with dependable electrical equipment and long-term technical support.
HXGN Series AC Metal-Enclosed Ring Main Switchgear is a type of Medium Voltage Ring Main Unit designed for AC power distribution networks. It is mainly used in 6kV to 12kV class electrical systems and provides power control, circuit switching, and protection functions.
A ring main switchgear system is commonly used in distribution networks where power reliability is important. Unlike a simple single-line power supply system, a ring network creates multiple power supply paths. If one section has a problem, the affected area can be isolated while other sections continue operating.
Our HXGN Ring Main Unit adopts a metal enclosed structure. The internal electrical components are installed inside a protective metal cabinet, which improves mechanical protection and helps reduce the influence of external conditions such as dust, accidental contact, and environmental impact.
The equipment mainly includes:
Metal enclosure cabinet
Load switch unit
Grounding switch
Busbar system
Cable connection unit
Protection and control components
Each part works together to provide stable power distribution performance. Through reasonable structural design, the HXGN Series AC Metal-Enclosed Ring Main Switchgear helps improve electrical safety and operational efficiency.
The working principle of our HXGN Series AC Metal-Enclosed Ring Main Switchgear is based on controlling and protecting medium voltage electrical circuits.
During normal operation, electrical power enters the switchgear through incoming cables and passes through the internal busbar system. Operators can control the circuit connection through the load switch according to system requirements.
When maintenance is required, the switching unit allows operators to disconnect the corresponding circuit safely. The grounding switch provides additional protection by grounding the electrical section before maintenance work begins.
If abnormal conditions occur, such as overload or short circuit situations, protection devices help disconnect the faulty section quickly. This reduces the possibility of equipment damage and helps maintain stable operation of the remaining power network.
The simple operating principle makes HXGN Ring Main Unit suitable for many medium voltage distribution applications where reliability and easy operation are required.
Modern electrical projects often face space limitations, especially in urban areas and commercial buildings. Our HXGN Series switchgear uses a compact cabinet structure that helps reduce installation space while maintaining reliable electrical performance.
The metal enclosure provides strong mechanical protection and creates a safer operating environment compared with traditional open electrical equipment.
Stable switching performance is one of the most important requirements for medium voltage equipment. Our HXGN Ring Main Unit is designed for dependable switching operation in daily power distribution systems.
The switching mechanism provides smooth operation, while internal components are selected according to electrical performance requirements. This helps ensure long-term stability during continuous operation.
Safety is always one of our main considerations during product development. The metal enclosed structure reduces direct contact risks and protects internal components.
The separated functional design makes inspection and maintenance more convenient for professional technicians.
Different projects have different electrical requirements. A factory power system, renewable energy project, and urban distribution network may require different configurations.
Our HXGN Series AC Metal-Enclosed Ring Main Switchgear supports customized solutions according to customer requirements, including different switching combinations, protection methods, and cable connection arrangements.
The equipment is designed for indoor medium voltage applications and can be used in many industries requiring stable electrical distribution.
Through professional manufacturing and testing procedures, our switchgear provides reliable performance for different project conditions.
When customers select medium voltage power distribution equipment, they usually compare reliability, safety, installation requirements, and maintenance costs.
Based on our manufacturing experience, HXGN Series AC Metal-Enclosed Ring Main Switchgear provides several practical advantages:
| Comparison Item | Traditional Open Distribution Equipment | HXGN Series AC Metal-Enclosed Ring Main Switchgear |
|---|---|---|
| Protection Structure | Electrical components are more exposed | Metal enclosed structure improves protection |
| Installation Space | Requires larger installation area | Compact design saves space |
| Operation Safety | Lower protection against accidental contact | Enclosed structure improves operator safety |
| Network Flexibility | Limited power supply paths | Supports ring network operation |
Source: Comparison based on common medium voltage distribution engineering practices and IEC 62271 series metal enclosed switchgear application requirements.
| Equipment Type | Voltage Application | Main Function | Typical Usage |
|---|---|---|---|
| HXGN Series AC Metal-Enclosed Ring Main Switchgear | Up to 12kV | Ring network switching and protection | Urban grids, factories, renewable projects |
| Low Voltage Switchgear | Below 1kV | Final power distribution control | Buildings and machines |
| High Voltage Switchgear | Above 12kV | Large power transmission control | Substations and power stations |
Source: Industry equipment classification based on IEC electrical equipment standards and common power distribution engineering applications.
Electricity supports almost every modern industry. From manufacturing factories to transportation systems, stable power supply directly affects production efficiency and operational safety.
A failure in a medium voltage distribution system can cause production delays, equipment shutdowns, and additional maintenance costs. Therefore, choosing reliable switchgear is an important decision for every electrical project.
When developing HXGN Series AC Metal-Enclosed Ring Main Switchgear, we focus on practical customer needs:
Reliable daily operation
Safe maintenance procedures
Flexible project configuration
Long service life
Easy integration into existing power networks
These design concepts help our products support different industries and provide stable power distribution performance.
With the development of smart cities, renewable energy, and industrial automation, electrical networks are becoming more complex. Customers need equipment that can provide reliable power control while adapting to changing requirements.
Our HXGN Series AC Metal-Enclosed Ring Main Switchgear provides a practical solution for these applications. Its compact structure, reliable switching performance, and flexible design make it suitable for modern medium voltage distribution systems.
From urban power supply projects to industrial production facilities, we continue helping customers build safer and more efficient electrical networks.
During our cooperation with customers from different industries, we have learned that every power distribution project has its own challenges. Some projects require continuous operation, some have limited installation space, and some need equipment that can work reliably in complex environments.
Our HXGN Series AC Metal-Enclosed Ring Main Switchgear is designed to meet these practical requirements. As a reliable medium voltage ring main unit, it provides stable power distribution, circuit control, and protection functions for different industries.
Power companies and distribution operators need reliable equipment to ensure stable electricity supply. The HXGN Ring Main Unit is widely used in medium voltage distribution networks because it supports flexible power supply methods and helps improve system reliability.
In urban areas, underground cable networks are becoming more common due to limited land resources and higher safety requirements. Our indoor metal enclosed switchgear provides a compact solution for these applications.
Factories depend on stable electricity to keep production lines running. A sudden power interruption can affect manufacturing schedules and increase operating costs.
Our HXGN Series AC Metal-Enclosed Ring Main Switchgear is suitable for industrial power distribution systems because it provides reliable switching and protection functions.
Typical industrial applications include:
Automotive manufacturing facilities
Machinery production plants
Electronic factories
Metal processing workshops
Food processing facilities
Chemical industry projects
The rapid growth of renewable energy has created new requirements for power distribution equipment. Solar power stations, wind farms, and energy storage systems require stable medium voltage connection solutions.
Our HXGN Ring Main Unit can be integrated into renewable energy distribution systems to provide safe switching and power control between generation equipment and electrical networks.
The compact design also helps renewable energy developers reduce installation space requirements.
Shopping centers, office buildings, hotels, hospitals, and public facilities require continuous and safe electricity supply.
HXGN Series AC Metal-Enclosed Ring Main Switchgear helps these projects achieve reliable medium voltage power distribution through safe operation and flexible system design.
Transportation facilities, mining sites, and petrochemical plants often operate under demanding conditions. Their electrical systems require stable performance and strong protection.
Our medium voltage switchgear products are designed to support these industries with dependable electrical control solutions.
| Application Field | Customer Requirement | HXGN Switchgear Advantage |
|---|---|---|
| Power Grid | Stable electricity distribution | Reliable ring network operation |
| Industrial Manufacturing | Continuous production power supply | Safe switching and protection |
| Renewable Energy | Flexible grid connection | Compact medium voltage solution |
| Commercial Buildings | Space saving and safety | Indoor metal enclosed structure |
Source: Application analysis based on common medium voltage power distribution engineering practices and Jihui Electric project experience.
At Jihui Electric, we believe that product quality starts from every manufacturing detail. Medium voltage switchgear is not a simple electrical cabinet. Every component, connection point, and production step can influence long-term operating performance.
Our HXGN Series AC Metal-Enclosed Ring Main Switchgear follows a complete manufacturing process from design confirmation to final inspection.
Before production, our engineering team reviews customer requirements carefully. We confirm important information such as voltage level, installation conditions, cable arrangement, protection requirements, and project standards.
For customized orders, we communicate technical details with customers to make sure the final equipment matches the actual application environment.
The cabinet structure is an important part of metal enclosed switchgear. It provides mechanical protection and supports internal electrical components.
During production, we complete processes including:
Steel sheet cutting
Precision bending
Welding
Surface treatment
Cabinet assembly
Accurate manufacturing helps improve cabinet strength, appearance quality, and long-term durability.
After cabinet production, our technicians install internal electrical components according to engineering drawings.
The assembly process includes:
Load switch installation
Busbar connection
Grounding system installation
Protection component installation
Control wiring
Each connection is carefully checked to ensure electrical reliability.
Before shipment, every HXGN Series AC Metal-Enclosed Ring Main Switchgear unit completes inspection procedures.
Our testing includes:
Insulation performance inspection
Mechanical operation testing
Electrical connection checking
Appearance inspection
Factory acceptance testing
These procedures help ensure that products delivered to customers meet technical requirements and operate safely after installation.
As a professional electrical equipment manufacturer, we understand that international customers need stable quality and reliable delivery.
Jihui Electric has established quality management systems including:
ISO9001 Quality Management System Certification
ISO14001 Environmental Management System Certification
ISO45001 Occupational Health and Safety Management System Certification
These management systems guide our production, inspection, and service processes.
For export projects, we provide professional packaging and transportation solutions. According to product size, quantity, and destination, we select suitable transportation methods including sea transportation, land transportation, or combined transportation.
Before shipment, products are protected with professional packaging methods including moisture protection, shock protection, and collision protection to ensure safe arrival.
Jihui Electric Group specializes in medium and low voltage power transmission and distribution equipment up to 35kV.
Our product range covers:
HXGN Series AC Metal-Enclosed Ring Main Switchgear
Ring Main Units
Medium Voltage Switchgear
Low Voltage Switchgear
Combination Transformers
This complete product experience allows us to understand different power distribution systems and provide suitable solutions.
We know that every project is different. A standard product may not always meet every customer's needs.
Our engineering team can provide customized support according to:
Electrical parameters
Installation environment
System configuration
Project standards
Delivery requirements
Our service does not stop after production. We provide support throughout the entire cooperation process.
Our service includes:
Technical communication before order confirmation
Product configuration recommendation
Production progress updates
Inspection support
Export transportation arrangement
After-sales technical assistance
HXGN Series AC Metal-Enclosed Ring Main Switchgear is Medium Voltage Electrical Equipment designed for AC power distribution systems. It provides switching, control, and protection functions for ring network applications, especially in 12kV power distribution systems.
It is widely used in urban power networks, industrial plants, commercial buildings, renewable energy projects, transportation systems, mining projects, and infrastructure facilities.
The metal enclosed structure provides stronger mechanical protection, improves operational safety, reduces the influence of external conditions, and helps protect internal electrical components.
Yes. We provide customized solutions according to customer technical requirements, installation conditions, project standards, and application needs.
Jihui Electric has obtained ISO9001, ISO14001, and ISO45001 certifications, demonstrating our commitment to quality management, environmental responsibility, and safe production.
The HXGN Series AC Metal-Enclosed Ring Main Switchgear is designed for customers who need safe, reliable, and efficient medium voltage power distribution equipment.
From product design and material selection to manufacturing, testing, packaging, and delivery, we focus on every detail that affects product performance.
With professional manufacturing capability, complete quality management systems, and experience in medium voltage electrical equipment, Jihui Electric Group continues providing reliable power distribution solutions for customers worldwide.
If you are looking for a reliable HXGN Ring Main Unit Manufacturer, 12kV Metal Enclosed Switchgear supplier, or customized medium voltage power distribution solution, we are ready to support your project with professional technology and service.
JiHui Electric Group Co., Ltd , high-end website construction, foreign trade website construction, marketing website construction, website optimization, development websites, corporate network marketing, search engine promotion, wechat mini program, corporate mailbox, short video operation, etc.
No. 161 Jingliu Road, Yueqing Economic Development Zone, Yueqing City, Zhejiang Province, China
jh.power@jihuielec.com
+86 18967711966
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