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China KYN28A-24 Mid-Mounted Cabinet - Reliable 10kV Switchgear Suppliers and Factory Solutions
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 to ensure operational safety and prevent fault escalation.
🏗️ Isolated Compartment Structure
⚡
Busbar Room
🔌
Circuit Breaker Cart Room
🔧
Cable Room
📟
Instrument Relay Room
🔑 Key Features
🔒
Five-Prevention Locking
Comprehensive mechanism to prevent all forms of accidental operation
🧩
Modular Design
Removable cart for easy installation, maintenance, and replacement
🛡️
Fully Enclosed Armor
Aluminum-zinc coated steel plates with multi-bend construction
📡
Intelligent Protection
Optional integrated protection devices for smart measurement and control
✅
High Reliability
Compact structure, user-friendly operation, and safe maintenance
📐
Standard Compliant
Designed to GB and IEC domestic & international standards
📊 Core Technical Specifications
| Parameter | Specification |
|---|---|
| Rated Current | 1250A – 3150A |
| Short-Circuit Breaking Capacity | 25kA – 40kA |
| Cabinet Structure | Fully enclosed metal armor, multi-compartment isolation |
| Operating States | Working / Testing / Isolation / Removal |
| Protection Mechanism | Five-prevention interlocking system |
| Optional Features | Integrated intelligent protection & measurement devices |
| Compliance Standards | GB (National Standard) & IEC (International Standard) |
📋 Compliance Standards
GB Standard
IEC Standard
Five-Prevention Certified
Distribution Network Ready
❓ Frequently Asked Questions
💬
What is the rated current range of the mid-mounted cabinet?
The mid-mounted cabinet supports a rated current range of 1250A to 3150A, making it suitable for a wide range of medium and high-load distribution network applications.
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What does the "five-prevention" locking mechanism protect against?
The five-prevention locking mechanism is designed to prevent: operating the circuit breaker while under load, entering the busbar room without grounding, closing the grounding switch while the circuit breaker is in working position, powering on without the cabinet door properly closed, and other forms of accidental or hazardous misoperation.
💬
What are the operating states of the removable circuit breaker cart?
The removable cart supports four key positioning states: Working (fully connected and operational), Testing (secondary circuit connected, primary disconnected), Isolation (both circuits disconnected), and Removal (cart fully extracted for maintenance or replacement).
💬
What compartments does the cabinet's isolated structure include?
The cabinet is divided into four isolated compartments: the Busbar Room, the Circuit Breaker Cart Room, the Cable Room, and the Instrument Relay Room. This separation ensures that a fault in one compartment does not escalate to others, significantly improving operational safety.
💬
Does the mid-mounted cabinet support intelligent protection features?
Yes. The cabinet offers optional integrated protection devices that enable intelligent measurement and protection, allowing for real-time monitoring, automated fault detection, and remote control — ideal for modern smart distribution network deployments.
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Which international standards does this product comply with?
The mid-mounted cabinet is designed in strict compliance with both GB (Chinese National Standards) and IEC (International Electrotechnical Commission) standards, ensuring it meets the requirements for both domestic and international distribution network projects.