Since 1989, HUYU Electric has consistently stood at the forefront of low-voltage electrical manufacturing. Leveraging over thirty-five years of deep manufacturing expertise—bolstered by technical support from Eaton—we provide high-performance electrical solutions to partners in more than 100 countries worldwide.
35 Years of Experience in
Low-Voltage Electrical R&D and Manufacturing
HUYU(Huanyu High-Tech Co., Ltd.) was established in 1989. The Group operates a modern manufacturing base spanning 100,000 square meters and employs a workforce of over 1,000 people. Integrating R&D, manufacturing, sales, and service, HUYU specializes in providing low-voltage AC and DC electrical products as well as comprehensive electrical solutions.
Our product portfolio encompasses a wide range of low-voltage electrical components, including circuit breakers, disconnect switches, fuses, contactors, transformers, instrument transformers, relays, PV combiner boxes, surge protectors, and more. Our products are widely utilized across diverse sectors—including residential and commercial power distribution, industrial automation, data centers, and new energy—effectively meeting the varied and customized requirements of our global clientele. Subjected to rigorous testing protocols, all our products are guaranteed to comply with various global certifications and standards, thereby fundamentally ensuring their stability and performance.
Rich Products To Meet Your Needs
MCB
Huyu Electric offers a full range of miniature circuit breakers (MCBs) designed to protect electrical systems from overloads and short circuits. With certified quality, multiple current ratings, and flexible pole options, our breakers are trusted in residential, commercial, and industrial applications worldwide. OEM and ODM services available.
MCCB
Huyu Electric provides a comprehensive range of MCCBs designed for precise protection, high breaking capacity, and reliable performance in various electrical systems. Whether for industrial, residential, or commercial applications, our products are available with full customization options to suit your needs.
RCBO
Huyu Electric offers a wide range of RCBO breakers that combine overload and earth leakage protection in one compact unit. Built to meet global safety standards, our RCBOs are ideal for residential, commercial, and OEM applications. Multiple ratings and custom branding options are available to support diverse project needs.
RCCB
Huyu Electric’s Residual current circuit breakers provide fast, reliable earth leakage protection for residential, commercial, and public installations. Built to international standards and engineered for life-saving performance, our RCCBs are trusted by professionals worldwide.
DC MCB
Huyu Electric’s DC miniature circuit breakers offer rapid fault protection, compact design, and high reliability for solar, energy storage, EV, and industrial DC systems. Designed for modern energy needs, they ensure safe and efficient operation across demanding environments.
since
1989
R&D LABORATORY
AND certificates
R&D laboratory with specialized advantages
Meets industry standards, obtained multiple international certifications including TUV, KEMA, UL, CE, CB, and IEC …
Driving Innovation Alongside Global Industry Leaders
Electrical Connection System
Do As You Please, Connect Infinitely
Singapore Marina Sands Hotel
Project Overview: huyu electric Powering the Singapore Marina Bay Sands Hotel Project As a world-class integrated resort, Marina Bay Sands (MBS) features an immensely complex...
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Redefining Urban Luxury: huyu electric’s Residential Solutions for One Park Cambodia
Project Overview: Located in the heart of Phnom Penh City Center (PPCC), One Park is a premier mixed-use development featuring luxury residences, a world-class hotel,...
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Powering Southeast Asia: huyu electric and Myanmar-Yangon International Airport
Project Overview: As the primary international gateway to Myanmar, Yangon International Airport (RGN) serves millions of passengers annually. For such a critical transportation hub, the...
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Powering Renewable Energy: huyu electric’s Solutions for Armenian Hydropower Station
Project Overview: Armenia relies heavily on its hydropower resources to ensure energy security and sustainable development. Hydropower projects in Armenia impose exceptionally stringent performance requirements...
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Connecting the Steppes: huyu electric and the Ulaanbaatar Central Railway Station Project
Project Overview: As the primary hub of the Trans-Mongolian Railway, Ulaanbaatar Central Railway Station is the heart of Mongolia’s passenger and freight transport. Operating in...
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Surge Protector for AC Unit: What Actually Protects a Condenser
In modern air conditioning machines, the compressor is not treated solely as a unit but rather as part of an…
What Is Overload Protection and Which Device Actually Delivers It?
A conveyor belt becomes stuck. The motor draws 38 amperes from the circuit that is rated for only 32 amperes…
Automatic Phase Changeover Switch Guide
An Automated Phase Changeover Switch is a device that scans for power outages automatically and switches to the alternate power…
14 Gauge Wire Amp Rating: 15 Amps, 20 Amps, or 25?
When you ask any three electricians about the ampacity of 14 gauge wire, you will hear three technically valid answers:…
8 AWG Ampacity: Why Both 40 A and 50 A Are Correct Answers
If you look for 8 AWG wire ampacity on the internet you will often find such answers as 40, 50…
10 Amp MCB Price
If you request the price from five different companies for a 10 amp miniature circuit breaker, you will end up…
Blogs and News
HUYU EXD1 1500V DC Isolator Switch for Solar PV
The EXD1 DC Isolator Switch has been added to the list of safe solar devices by HUYU Electric. The very first one is the 1500V DC rated device at 45A with 2 and 4 poles quality. It is designed for projects such…
HUYU EXB9L-125 High-Current RCCB for EV Charging
HUYU Electric has introduced its latest EXB9L-125 Series RCCB (Residual Current Circuit Breaker), which is capable of handling maximum a maximum current…
HUYU Electric EXRPV DC Fuse Series for Solar PV
HUYU Electric has introduced the EXRPV DC Fuse Series to protect the DC part of utility-scale solar PV plants and commercial installations.…
Customized HUYU Combiner Box for Residential PV
Every roof in a residential area is different from the one. There are various factors affecting any residential roof — orientation, angle of inclination, shading, inverter inputs, and its voltage range. That’s why a typical, standard, simple combiner box proved to be…
Another Full Container Ships from HUYU Electric
A complete container has been dispatched by HUYU Electric and is en route to a partner. This is the stage when a…
Surge Protector for AC Unit: What Actually Protects a Condenser
In modern air conditioning machines, the compressor is not treated solely as a unit but rather as part of an electronic system. The cost for the inverter circuit replaces the variable speed compressor which ranges between $500 and $1,100 while the ECM…
What Is Overload Protection and Which Device Actually Delivers It?
A conveyor belt becomes stuck. The motor draws 38 amperes from the circuit that is rated for only 32 amperes for a…
Automatic Phase Changeover Switch Guide
An Automated Phase Changeover Switch is a device that scans for power outages automatically and switches to the alternate power source without…
14 Gauge Wire Amp Rating: 15 Amps, 20 Amps, or 25?
When you ask any three electricians about the ampacity of 14 gauge wire, you will hear three technically valid answers: 15, 20 or 25 amps. As far as the code table is concerned, both groups rely on the same set of data.…
8 AWG Ampacity: Why Both 40 A and 50 A Are Correct Answers
If you look for 8 AWG wire ampacity on the internet you will often find such answers as 40, 50 or 55…
10 Amp MCB Price
If you request the price from five different companies for a 10 amp miniature circuit breaker, you will end up with five…