Hot Products

Products Categories

Products

Oil-immersed transformer: S11-M

Mid-mounted cabinet: KYN28A-24

Pre-assembled substation: YBM□-12/0.4

Diesel generating set,diesel generator set,diesel power generating set

AC Low-Voltage Distribution Cabinet: MNS

Outdoor Cable Branch Box: DFW-12

Green Charging, Low-Carbon Future

Industrial Energy Storage Products

Household Energy Storage Products

energy storage cabinet

Mid-mounted Cabinet KYN28A-24 - 10kV Switchgear from China Suppliers and Factory for Power Distribution

The 10kV mid-mounted cabinet, known as Armored Enclosed Switchgear (AEI), stands as a fundamental power distribution solution in electrical systems, specifically designed for efficient energy reception and distribution. This equipment features a centrally located circuit breaker trolley within the cabinet, ensuring optimal functionality. Commonly utilized in industrial and mining operations, infrastructure projects, and 10kV substations, the AEI plays a vital role in control, protection, monitoring, and isolation. As a leading supplier of high-quality electrical solutions in China, our factory is dedicated to manufacturing reliable switchgear that meets the needs of modern power distribution systems.

Model KYN28A-24

Product Details

The product features a highly modular design. Key components such as the circuit breaker and isolation carriage are mounted on a removable cart, enabling flexible operation and easy maintenance through multiple positioning states — including working, testing, isolation, and removal.

The cabinet is constructed from high-quality aluminum-zinc coated steel plates through multiple bending processes, forming a fully enclosed metal armor structure. It is divided into isolated compartments, ensuring operational safety and preventing fault escalation.

🔒 Isolated Compartment Structure

⚡ Busbar Room
🔧 Circuit Breaker Cart Room
🔌 Cable Room
📟 Instrument Relay Room

🧩

Modular Design

Circuit breaker and isolation carriage are mounted on a removable cart, supporting working, testing, isolation, and removal states for maximum flexibility.

🛡️

Fully Enclosed Armor

Cabinet built from aluminum-zinc coated steel plates via multi-step bending, forming a robust fully enclosed metal armor structure.

🔐

Five-Prevention Locking

Comprehensive "five-prevention" interlocking mechanism prevents accidental operations, ensuring operator safety at all times.

📡

Intelligent Protection

Optional integrated protection devices enable intelligent measurement, monitoring, and protection for modern smart grid applications.

📊 Core Technical Specifications

Parameter	Specification
Rated Current	1250A – 3150A
Short-Circuit Breaking Capacity	25kA – 40kA
Cabinet Structure	Fully enclosed metal armor, isolated compartments
Safety Mechanism	Comprehensive "five-prevention" interlocking
Optional Feature	Integrated intelligent protection devices
Compliance Standards	GB, IEC and relevant domestic/international standards

✅ High Reliability

📐 Compact Structure

🖐️ User-Friendly Operation

🔧 Safe Maintenance

🌐 GB & IEC Compliant

🏙️ Modern Grid Ready

Frequently Asked Questions

Q What are the main positioning states of the removable cart in the mid-mounted cabinet?

The removable cart supports four main positioning states: working, testing, isolation, and removal. These states allow operators to safely perform maintenance, testing, and switching operations without de-energizing the entire system, greatly improving operational flexibility and reducing downtime.

Q What is the "five-prevention" locking mechanism and why is it important?

The "five-prevention" interlocking mechanism is a comprehensive safety system designed to prevent five types of common misoperations in switchgear, such as closing or opening a breaker under load, grounding a live circuit, and entering a live compartment. It is critical for protecting both equipment and personnel from accidents caused by human error during switching operations.

Q What are the rated current and short-circuit breaking capacity of this mid-mounted cabinet?

The mid-mounted cabinet typically supports a rated current of 1250A to 3150A and a short-circuit breaking capacity of 25kA to 40kA, making it suitable for medium and large-scale power distribution applications in industrial and urban grid environments.

Q What international standards does this product comply with?

The mid-mounted cabinet is designed in strict compliance with both domestic and international standards, including GB (Chinese National Standards) and IEC (International Electrotechnical Commission) standards. This dual compliance ensures the product meets global quality and safety requirements for distribution network equipment.

Q How does the isolated compartment structure improve safety?

The cabinet is divided into four isolated compartments — busbar room, circuit breaker cart room, cable room, and instrument relay room. This separation ensures that a fault in one compartment does not escalate to others, significantly reducing the risk of arc flash propagation, equipment damage, and extended outages.

Q Can intelligent protection devices be integrated into this cabinet?

Yes. The mid-mounted cabinet supports optional integrated protection devices that enable intelligent measurement, monitoring, and protection functions. This makes it compatible with smart grid infrastructure and modern distribution network management systems, supporting remote monitoring and automated fault response.