High-Reliability Digital Low-Voltage Solutions: Excellence in Application at Qinshan Nuclear Power Plant

For many years, Huatech has continuously invested resources and capital in cutting-edge technologies, committed to the forward development of low-voltage distribution switchgear, with a focus on the R&D, production, and manufacturing of high-reliability digital low-voltage components. The company's digital low-voltage series products are widely used in power plants, rail transit, new energy, industry, data centers, infrastructure and other sectors, providing global customers with cost-effective, high-reliability low-voltage switchgear products and complete solutions.

In August 2025, the Qinshan Nuclear Power Plant Phase I Low-Voltage Electrical Engineering Project selected Huatech's low-voltage components and digital low-voltage switchgear solutions. During on-site installation and commissioning, all technical parameters and functional solutions fully met customer requirements. The equipment has been operating stably and excellently since commissioning, with product quality receiving high recognition from the customer.

Nuclear Power Requirements: The Ultimate Test

High Reliability & Safety
Switchgear must pass rigorous tests including seismic qualification, aging, and failure mode analysis to ensure stable and reliable operation under extreme conditions such as earthquakes, high temperatures, and radiation.

Precise Control & Protection Functions
Switchgear must feature fast and accurate opening and closing capabilities, enabling timely response to protection signals and fault current interruption to prevent fault propagation.

Mechanical & Electrical Life Requirements
The mechanical and electrical life of the switchgear must meet design specifications. The number of opening and closing operations for critical circuits must be counted and recorded to ensure reliable operation throughout the entire lifecycle.

Environmental Adaptability
Switchgear must adapt to the harsh environment unique to nuclear power plants, including high humidity, high salinity, and radiation. Corrosion-resistant and radiation-resistant materials are used to ensure long-term stable operation.

Huatech Digital Low-Voltage Component Series

WeTEK7 Series Air Circuit Breakers

• Rated current up to 6300A, rated breaking capacity up to 135kA

• Supports fixed and drawout installation

• Compact size saves installation space

• Complete and rich accessory series

• All models come standard with plug-and-play digital functional module interfaces

MeTEK7 Series Moulded Case Circuit Breakers

• Multiple protection functions including distribution protection and motor protection

• Rated current range 10–800A, meeting most application requirements

• Various accessories available for diverse customer applications

• Electronic MCCBs come standard with plug-and-play digital functional module interfaces

Digital Functional Solutions

Based on model analysis and data-driven technologies, Huatech enables life prediction, fault warning, and fault analysis for low-voltage switchgear, providing customers with integrated solutions including intelligent analysis, asset statistics, fault warning, fault analysis, health assessment, and remote diagnostics.

Digital technology safeguarding nuclear power safety — high reliability demonstrates Huatech's strength.