Hebei Yueyang Electric Power Technology Co., Ltd. belongs to Beijing Beikai Zhongdian Group (established in 2005). It is a manufacturer of high and low voltage electrical equipment that integrates R&D, production, and sales. The company's main products include isolation switches, switchgear, vacuum circuit breakers, transformers, Drop Out Fuse, lightning arresters, and other series of products, which are widely used in ports, rail transportation, new energy, power systems, and infrastructure construction. These products are exported to over 60 countries and regions worldwide.
Why Choose Us
Sales Market
The company has over 20 years of experience in the high and low voltage electrical industry, and its products have been sold to multiple countries and regions such as Europe, Africa, Southeast Asia, and the Middle East.
Production Equipment
Our company is equipped with 20 lathes, 10 universal cleaning machines, 8 drilling and washing machines, 5 punching machines, 9 experimental benches, 5 detectors, etc., to provide a guarantee for the high-precision production of products.
Our Certification
The company has passed the ISO9001 series system certification.
Focus on Product Innovation
In order to comply with the development trend of the international market, the company continuously adheres to product innovation and technological innovation.
Parameter
|
Rated Voltage |
The maximum voltage the switch is designed to operate at. |
|
Continuous Current Rating |
The maximum current the switch can carry continuously without overheating. |
|
Interrupting Rating (if applicable) |
The maximum fault current the switch can safely interrupt, relevant only for load break disconnect switches. |
|
Basic Impulse Level (BIL) |
The maximum voltage surge the switch can withstand without damage. |
|
Number of Poles |
Usually 3 for a 3-phase system. |
|
Operating Mechanism |
Manual or motor operated. |
|
Enclosure Type |
Indoor or outdoor, depending on the application. |
|
Safety Features |
Interlocks to prevent accidental operation when the switch is in the open position, visual indicators of switch position. |
Control And Distribution Of Energy
One of the primary functions of MV Switchgear is to control and distribute electrical energy. It manages the flow of electricity from substations to various end-users, such as homes, businesses, and industrial facilities. By regulating this flow, MV Switchgear ensures that the right amount of power reaches each location, preventing overloads and maintaining system stability.
System Safety
Safety is a top priority in any electrical system, and MV Switchgear plays a vital role in protecting both equipment and personnel. It includes features like circuit breakers and protection devices that automatically disconnect power during faults, such as short circuits or overloads.
This quick response helps prevent equipment damage, reduces the risk of fires, and protects workers from electrical hazards.


Energy Efficiency
MV Switchgear contributes to energy efficiency in several ways. By optimizing the distribution of electricity, it minimizes losses that can occur during transmission.
Additionally, modern MV Switchgear often includes smart technology that allows for better monitoring and management of energy use. This can lead to significant cost savings for utilities and consumers alike.
Flexibility and Scalability
Another benefit of MV Switchgear is its flexibility. Different types of switchgear can be used in various applications, from industrial plants to urban infrastructure.
Moreover, modular switchgear allows for easy expansion and upgrades, making it suitable for projects that may grow or change over time. This adaptability is essential in today’s fast-paced energy landscape.
Reliability and Longevity
MV Switchgear is designed to be reliable and durable. High-quality materials and advanced engineering ensure that it can withstand harsh environmental conditions and operate effectively over time.
Types of Medium Voltage Disconnect Switch
Air-Insulated switchgear (AIS)
Air-Insulated Switchgear, or AIS, is one of the most common types. It uses air as the insulating medium. AIS is typically found in outdoor installations and is known for its simplicity and reliability. It’s easy to maintain and can handle a wide range of applications, making it a popular choice for many utilities.
Gas-Insulated switchgear (GIS)
Gas-Insulated Switchgear, or GIS, is a more compact option. It uses gas, usually sulfur hexafluoride (SF6), as an insulating medium. This type of switchgear is ideal for areas with limited space, such as urban environments. GIS is highly reliable and requires less maintenance compared to AIS, but it can be more expensive to install.
Modular switchgear
Modular Switchgear offers flexibility in design and installation. It consists of pre-fabricated modules that can be easily assembled on-site. This type allows for quick upgrades and expansions, making it suitable for projects that may grow over time. Modular Switchgear is often used in industrial settings where adaptability is key.
Applications Areas of Medium Voltage Disconnect Switch
Industrial Sector
In the industrial sector, MV Switchgear is crucial for managing power distribution in factories and manufacturing plants.
It helps control large machinery and equipment, ensuring that operations run smoothly. Industries rely on MV Switchgear to provide reliable power while protecting against faults that could disrupt production.
Public Infrastructure
MV Switchgear is widely used in public infrastructure projects, such as hospitals, schools, and transportation systems. These facilities require a stable and secure power supply to operate effectively. MV Switchgear ensures that electricity is distributed safely, supporting essential services and enhancing public safety.
Renewable Energy
As the world shifts towards renewable energy sources, MV Switchgear is becoming increasingly important. It is used in solar power plants and wind farms to manage the integration of renewable energy into the grid. MV Switchgear helps control the flow of electricity generated from these sources, ensuring that it meets the demands of the grid while maintaining stability.
Commercial Buildings
In commercial buildings, MV Switchgear is essential for managing electrical systems that power lighting, HVAC, and other critical services. It allows for efficient energy distribution and helps maintain a comfortable environment for occupants.
Additionally, MV Switchgear supports energy management systems that optimize energy use and reduce costs.
Data Centers
Data centers require a constant and reliable power supply to operate servers and other critical equipment. MV Switchgear provides the necessary control and protection for these systems, ensuring that data centers can function without interruptions.
Main Features of Medium Voltage Disconnect Switch
Voltage rating
Designed to handle medium voltage levels, typically ranging from 2.4kV to 38kV.
Visible position indication
Clear visual indication of whether the switch is in the open or closed position for safety.
Manual operation
Operated manually to disconnect power from a circuit.
Interlocking mechanism
Safety interlocks to prevent accidental operation when the switch is in the wrong position.
Fused options
Can be configured with fuses for additional short circuit protection.
High current capacity
Designed to handle high current loads within its rating.
Weatherproof design (for outdoor applications):
Suitable for outdoor installations with weatherproof enclosures.
Metal-enclosed construction
Typically housed within a metal enclosure for safety and protection.
Application flexibility
Can be used in various applications like transformer primaries, feeder circuits, and selector switches.
Gounding capability
May include grounding provisions for added safety.
Our Certificate










Our Services
Pre sale service
a. Make technical solution
b. Send quotation, technical data sheet and drawing
c. Prepare power transmission plan, testing plan and shipment plan
In sale service
a. Supervise the manufacturing schedule totally in accordance with the plan
b. Send photos to customer during every manufacturing process(hold point)
c. Inform the customer one week before testing.
d. Quick response within 12 hours any time.
FAQ
As one of the leading medium voltage disconnect switch manufacturers and suppliers in China, we warmly welcome you to buy cheap medium voltage disconnect switch for sale here from our factory. All customized products are with high quality and low price.
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