thumbnail image
0086 18016291327
tia@nengfuelectrical.com
  • Home
  • Sustainability
  • Solutions
  • Product 
    • Generator Set
    • Switchgear Assembly
    • Automation
  • Insights
  • Hire Talent
  • About Us
  • …  
    • Home
    • Sustainability
    • Solutions
    • Product 
      • Generator Set
      • Switchgear Assembly
      • Automation
    • Insights
    • Hire Talent
    • About Us
Contact
0086 18016291327
tia@nengfuelectrical.com
  • Home
  • Sustainability
  • Solutions
  • Product 
    • Generator Set
    • Switchgear Assembly
    • Automation
  • Insights
  • Hire Talent
  • About Us
  • …  
    • Home
    • Sustainability
    • Solutions
    • Product 
      • Generator Set
      • Switchgear Assembly
      • Automation
    • Insights
    • Hire Talent
    • About Us
Contact
Go Back
2. MVnex-12 500mm Wide Air-Insulated Switchgear

2. MVnex-12 500mm Wide Air-Insulated Switchgear

MVnex is designed for medium-voltage distribution substations across a wide range of sectors:
Power Systems: HV/MV & MV/MV substations
Infrastructure: Hospitals, Airports, Ports
Buildings: Commercial Centers, Residential Blocks, Stadiums
Industries: Light Manufacturing, Metallurgy, Cement, Water Treatment
Electronics Facilities
Data Centers
Rail Transit
Oil & Petrochemical
Inquiry Now
More Details

Features

  • Rated Voltage: 12kV / 24kV
  • Rated Insulation Level:
  • Power Frequency Withstand Voltage (50Hz, 1min): 42kV / 65kV
  • Lightning Impulse Withstand Voltage (1.2/50μs): 75kV / 125kV
  • Rated Short-Time Withstand Current (4s): 25 / 31.5 / 40kA
  • Rated Peak Withstand Current: 63 / 80 / 100kA
  • Internal Arc Classification: 31.5kA/1s; 40kA/1s
  • Earthing Switch Withstand: 31.5kA/4s; 40kA/4s
  • Protection Degree:
  • Enclosure: IP4X
  • Compartments: IP2X
  • Operating Environment:
  • Ambient Temperature: -15°C ~ +40°C
  • Altitude: ≤1000m
  • Humidity: 95% (24hr) / 90% (monthly average)

Advantages

  • Innovative “1+3” configuration for diversified options:
  • MVnex 12–24kV (Standard)
  • MVnex 550 (Compact)
  • MVnex 500 (Ultra-compact)
  • MVnex Smart (Intelligent)
  • Versatile configurations covering breaker panels, contactor panels, and custom units
  • Unique and comprehensive design supporting full 5-point mechanical interlocking for enhanced safety
  • Screw-driven earthing switch and multi-functional operation box
  • Integrated HVX sealed vacuum interrupter, highly adaptable and quality-assured
  • Comprehensive Solutions

    From R&D to after-sales service, we provide end-to-end solutions tailored to your industry needs.

    Contact Us

    Quality You Can Trust

    Total Energy Solutions: From Engineering to Implementation

    Contact us

    Nengfu Electrical offers turnkey power solutions from concept to construction, handling all complexity in between.

    See Our Solutions
  • See Our Products

    Nengfu's product lines cover design, engineering & production of diesel & gas generators, electrical cabinet , and EPC services.

    All
    Switchgear
    Diesel Generator Set
    Gas Generator Set
    Load More
  • Insights

    Discover Industry Insights and Innovations

    Smart Medium-Voltage Switchgear: The Future of Electrical Safety and Reliability
    Compact Low-Voltage Switchgear: The Future of Urban Electrical Infrastructure
    UL891 vs. Chinese Low Voltage Switchgear: 5 Critical Differences Every Engineer Must Know in 2025
    Reactive Power Compensation: The Billion-Dollar Secret Your Electrical System Doesn't Want You to Know
    Understanding Distribution Panels: A Comprehensive Guide to Electrical Power Distribution
    Understanding Voltage Transformer Magnetic Resonance: A Comprehensive Guide
    Understanding the Differences Between IEC and UL Standards in Electrical Systems
    Mastering Low-Voltage Electrical Cabinets: North American Current Density and Connection Standards
    Revolutionizing Medium Voltage Switchgear: A Global Perspective on Design and Standards
    Revolutionizing China's Energy Landscape: The Yajiang Group's Mega Hydropower Project
    Unveiling the Ya Jiang Project: A Trillion-Yuan Engineering Marvel in China's Mountain Landscape
    China's Rise: Becoming the Global Energy Powerhouse of the 21st Century
    More Posts
Section image

Who We Are

  • Shanghai-based Nengfu Electrical provides reliable electrical system solutions and engineering services.

Services

  • Solutions
  • Diesel Generator Set
  • Gas Generator Set
  • Switchgear Assembly
  • Automation

Resources

  • Insights
  • Hire Talent
  • Sustainability
  • Contact Us

Copyright © 2025 nengfuelectrical.com.

Terms & Conditions
Privacy Policy
    Home
    Contact
    Phone
Cookie Use
We use cookies to ensure a smooth browsing experience. By continuing we assume you accept the use of cookies.
Learn More