China Medium Voltage Switchgear Manufacturers, Suppliers and Factory - Quotation

Your Professional Medium Voltage Switchgear Supplier

Our goal is to become your true partner in the field of medium voltage switchgear in China. Smurfs Power Limited is your reliable switchgear manufacturer for innovative electrical equipment and comprehensive power solutions. We have a skilled engineering team dedicated to refining every stage, from product development and process improvement to production oversight, ensuring every product delivered meets rigorous quality and performance standards. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.

Box-Type Fixed AC Metal-Enclosed Switchgear
The XGN2-12(Z) Box-Type Fixed AC Metal-Enclosed Switchgear is suitable for three-phase AC 50Hz systems with rated voltages of 3.6kV, 7.2kV, and 12kV. It is used for receiving and distributing
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Removable Metal-Clad Power Switchgear
The KYN28-12 type Removable Metal-Clad Power Switchgear is suitable for 3.6-12KV three-phase AC 50Hz power grids. It is used for receiving and distributing electric power, as well as for controlling,
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Why Choose Us

Our services:

In the pre-sales stage, our team of experts will recommend the most suitable products according to the needs of customers and provide detailed technical consultation. During the sales period, we ensure timely delivery and provide installation guidance. For after-sales, we provide long-term technical support, warranty services and spare parts to help customers maximize the use of products and get reliable maintenance during use.

Production market:

Our products are well received by the market and are exported to Europe, America, Japan, Central and West Asia and other countries and regions.

One-stop customization:

According to the personalized needs of customers, our expertise in technology and quality control enables us to provide high-quality, customized one-stop power solutions.

Advantages of Medium Voltage Switchgear

01/

High efficiency over long distances: Medium voltage can send electricity over long distances with less energy loss. This makes it more efficient than low voltage, especially for big areas.

02/

Cost and material savings: Because it uses smaller cables, medium voltage systems need less material. That means lower costs for installation and maintenance.

03/

Good for heavy loads: If you run big machines or use a lot of power, medium voltage systems can handle it. They give you stable power without frequent issues.

04/

Less voltage drop: Medium voltage keeps the power steady, even over long distances. This helps avoid voltage drops that can damage your equipment.

05/

Easy to expand: Planning to grow your business? These systems are easy to scale. You can add more buildings or machines without redoing the whole setup.

06/

Safe with proper design: With the right design and safety features, medium voltage systems are safe to use. Devices like circuit breakers and grounding keep people and equipment protected.

Specification of Medium Voltage Switchgear

Specification	Unit	Parameters
Rated Voltage	kV	3.6, 7.2, 12
Rated Current	A	630～3150
Maximum Operating Current	A	630	1000	1250	2000	2500	3150
Rated Breaking Current	kA	16, 20		31.5		40
Rated Thermal Current Stability	kA	16, 20		31.5		40
Rated Dynamic Current Stability	kA	40, 50		80		100
Rated Making Current	kA	40, 50		80		100
Thermal Stability Time	s	4 second
Protection Class		IP2X
Busbar System		Single Busbar / Single Busbar with Bypass, Double Busbar
Operation Mode		Electromagnetic / Spring Energy Storage
Dimensions	mm	1100 (1250) × 1550 (1800, 1900) × 2650

Types of Medium Voltage Switchgear

Box-Type Fixed AC Metal-Enclosed Switchgear

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.

Features of Medium Voltage Switchgear

This equipment has a metal-enclosed box-type structure. The interior of the cabinet is divided into breaker compartment, busbar compartment, cable compartment, and relay compartment. These compartments are separated by steel plates. The switchgear has front and rear doors, is installed against the wall, and is maintained from both sides. It includes pressure relief channels, internal lighting, and a small busbar on the top of the cabinet.

Mechanical five-prevention and simple operation: The xgn2-12(z) switchgear is equipped with a well-developed and mature "mechanical five-prevention" mechanism and has straightforward and clear operating procedures.

Application of Medium Voltage Switchgear

Commercial buildings:

Medium voltage switchgear is commonly used in commercial buildings to distribute power to various floors, sections, or tenants. It provides a centralized and efficient means of controlling electrical circuits for lighting, hvac systems, and other building services.

Industrial facilities:

In industrial settings, medium voltage switchgear plays a critical role in powering and protecting machinery, production lines, and other essential equipment. The robust design and protective features of switchgear make it suitable for demanding industrial applications.

Utilities and power plants:

Medium voltage switchgear is extensively utilized in utility substations and power plants for the distribution and control of electrical power. It ensures the reliable operation of transformers, generators, and other power generation and distribution equipment.

Renewable energy installations:

With the increasing focus on renewable energy sources, medium voltage switchgear is integral in connecting and distributing power generated by solar farms, wind turbines, and other renewable energy installations.

Transportation infrastructure:

Medium voltage switchgear is employed in transportation infrastructure, including railway systems and airports. It facilitates the distribution of power for signaling, lighting, and other critical systems.

Components of Medium Voltage Switchgear

Circuit breakers:

These are devices that interrupt the flow of electrical current in a circuit. They are designed to protect electrical equipment and prevent damage due to overcurrents, short circuits, and other electrical faults.

Disconnectors:

These are used to isolate parts of the electrical system for maintenance or repair. They are typically used in conjunction with circuit breakers and other protective devices.

Fuses:

These are devices that protect electrical equipment by interrupting the flow of current when the current exceeds a certain level. They are designed to protect against overcurrents and short circuits.

Relays:

These are devices that monitor the electrical system and activate protective devices when necessary. They are used to detect faults and ensure the safe and reliable operation of the system.

Packing and Shipping of Medium Voltage Switchgear

Packing	Wooden box
Shipping	Shipped by road, sea, rail

FAQ

Q: What are medium voltage switchgears?

A: Medium voltage switchgear is a critical component of electrical power systems, used to control and protect electrical equipment and circuits in the voltage range of 1kV to 36kV.

Q: What is the difference between MV and LV switchgear?

A: LV (Low Voltage) switchgear is used in systems operating at voltages up to 1,000 volts, while MV (Medium Voltage) switchgear is used in systems operating between 1,000 and 36,000 volts.

Q: Is 480V considered medium voltage?

A: No, 480V is generally considered low voltage, not medium voltage. Medium voltage is typically defined as voltages ranging from 1,000V (1kV) up to 35,000V (35kV) or even 69kV depending on the specific definition.

Q: What is the life expectancy of a medium voltage switchgear?

A: The lifespan of switchgear often exceeds 20-25 years, which may be challenging to maintain, for example, with increasing difficulty to find spare parts.

Q: What are the standards for medium voltage switchgear?

A: Medium-voltage switchgear is classified by the maximum voltage it can service. For example, 15 kV switchgear (maximum voltage rating) is commonly applied at various actual voltages including: 12.47 kV, 13.2 kV, 13.8 kV and 14.4 kV.

Q: Which circuit breaker is used for medium voltage?

A: Vacuum circuit breakers are arguably the most popular type of medium voltage vacuum circuit breaker. Vacuum circuit breakers are qualitative equipment because of their compact size, and reliability.

We're well-known as one of the leading medium voltage switchgear manufacturers and suppliers in China. If you're going to buy high quality medium voltage switchgear, welcome to get quotation from our factory.

medium voltage switchgear, Box Type Fixed AC Metal Enclosed Switchgear, Removable Metal Clad Power Switchgear

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