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30 years of dedication to the electrical accessories industry.

Key Details

Category
Nuclear Power Station
Location
Hainan
Product
DXFZ-8B Thin-Type Circuit Distribution

Providing DXFZ-8B Thin-Type Circuit Distribution Solutions For Nuclear Power Plant

DXFZ-8B Thin-Type Circuit Distribution Adapter Applied in Nuclear Power LV Switchgear

Deyuan Electric’s independently developed DXFZ-8B Type 3-Pole 125A Rear-Wiring Thin-Type Circuit Distribution Adapter has been successfully applied in the Hainan Changjiang Nuclear Power Project, providing reliable structural connections and power distribution solutions for nuclear power engineering low-voltage switchgear systems.

The Hainan Changjiang Nuclear Power Project is one of China’s key clean energy initiatives during the 14th Five-Year Plan period, demanding exceptionally high standards for equipment safety, reliability, and stability. In nuclear power plant low-voltage distribution systems, circuit distribution adapters in drawer-type switchgear play a critical role in power transmission and control signal connections.

Deyuan Electric Solution

The DXFZ-8B Circuit Distribution Adapter used in this project is a thin-type product developed by Deyuan Electric specifically for 8E/2 drawer units, featuring the following technical specifications:

Technical Parameter Specification

Rated Working Voltage AC690V

Rated Insulation Voltage 1000V

Rated Working Current ≤125A

Power Frequency Withstand Voltage 2500V/Min

Number of Secondary Wires 16, 24, 32 wires optional

Overall Dimensions Multiple specifications for KB/KS profiles

 

Product Advantages:

Thin-profile design: Only 45mm thickness, effectively saves internal drawer space for easier component layout

Rear wiring structure: Rear-access connection design simplifies installation and maintenance

Multiple profile compatibility: Supports KB profile openings of 550/150, KS profile openings of 540, and other specifications

High insulation performance: Rated insulation voltage of 1000V meets the stringent electrical safety requirements of nuclear power projects

 

Customer Value

In the Hainan Changjiang Nuclear Power Project, the DXFZ-8B adapter delivered the following core values:

High reliability: Passed 2500V/Min power frequency withstand voltage testing, ensuring stable operation under extreme nuclear power conditions

Flexible configuration: Secondary wire options from 16 to 32 poles meet various control circuit requirements

Precise compatibility: Designed specifically for 8E/2 drawer units, perfectly compatible with standard switchgear enclosures

On-time delivery: Strict quality control systems ensured timely delivery while meeting the special requirements of nuclear power projects

 

Empowering Nuclear Power and High-End Equipment Manufacturing

This successful application in the Hainan Changjiang Nuclear Power Project marks official recognition of Deyuan Electric products in the high-end nuclear power equipment sector. As a professional manufacturer of low-voltage switchgear enclosures and components, Deyuan Electric remains committed to providing precision manufacturing, reliable quality, and one-stop service as the structural foundation for critical sectors including nuclear power, data centers, and industrial infrastructure.

Providing DXFZ-8B Thin-Type Circuit Distribution Solutions For Nuclear Power Plant

Our Contribution to the LV Switchgear Industry

Solving Critical Challenges

Primary moving and fixed connectors (also known as main circuit connectors or primary disconnects) are the key components that connect the main power circuit between the drawout unit and the fixed part of a low‑voltage drawout switchgear.

Innovative Plug-in primary Connectors for Higher Safety and Reliability

Low‑voltage drawout switchgear faces two persistent challenges: excessive temperature rise and unstable contact resistance in primary connectors. Overheating can lead to insulation failure, arc faults, and even unplanned outages – a major risk for power distribution systems.

Our patented composite laminated plug‑in type primary connectors (CN201038641Y) and advanced plug‑in connector (CN201898227U) directly address these  issues:

Our Contribution to the LV Switchgear Industry – Solving Critical Challenges

Key Solutions

Enhanced heat dissipation – Convex points between laminated contacts create ventilation gaps, increasing surface area and airflow. The housing is designed with cooling slots to keep temperature rise under control.

Non‑magnetic stainless steel springs – Eliminate self‑induced thermal magnetic fields, reducing heat generation and improving long‑term reliability.

Precise contact alignment – Fixed clamping and locating structures ensure consistent insertion force and low contact resistance, preventing poor connections.

Modular, tool‑free assembly – Simplified fixing mechanism inside the connector housing maximizes internal space for cooling while allowing easy installation and maintenance.

Our Contribution to the LV Switchgear Industry – Solving Critical Challenges

Industry Contribution

These innovations have become industry benchmarks. Our connectors are widely adopted in  drawout switchgear systems, significantly improving operational safety and reducing downtime. By solving the “overheating” bottleneck, we help panel builders and end‑users achieve:

Lower failure rates in high‑density drawer compartments

Extended component life under continuous full‑load operation

Compliance with stringent IEC 61439 temperature‑rise tests

Our Contribution to the LV Switchgear Industry – Solving Critical Challenges

Commitment

As a specialist in LV switchgear structures and components, we continue to drive technological progress – delivering solutions that make power distribution safer, more reliable, and more efficient.

From connectors to complete enclosures – one source, one standard of excellence.

Why Choose Our Conclusion Option?

One-Stop Structural Solutions in Low Voltage System

Consistent Quality Across Every Component

Deep Compatibility with Major Systems

Reliable Delivery, Reduced Project Risk

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Large Venues

Nuclear Power Station

Computing Power Center

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