Parceiros OEM

Fabricante de Disjuntores

MCB

Being a key element of our last distribution range our MCBs provide accurate overload and short circuit protection for households and businesses. With its high breaking power and in compliance with the IEC standards, the device guarantees isolation. We operate in the field of OEM/ODM customization and provide the possibility of choosing the required current rating of poles.

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RCCB

We provide RCCBs for earth leakage protection against ground faults, thus avoiding risks of electric shock and fire in homes, businesses and public places. Built to have the highest sensitivity and effective tripping mechanism, these products follow international safety standards and help ensure human safety. We also offer OEM/ODM customization with sensitivity ratings and pole numbers based on the requirements of any project across the globe.

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RCBO

RCBOs provide protection from overloads, short circuits, and earth leakage in a single compact unit. They are designed to provide instant fault detection with high breaking capacity according to the latest IEC specifications. We offer full OEM/ODM customization, which allows our RCBOs to match various project specifications.

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ACB

Our ACBs are high-current protection devices designed for main distribution switchboards, delivering reliable overload, short-circuit, and ground fault protection in industrial and commercial power networks. Featuring intelligent electronic trip units with adjustable protection parameters and communication capabilities, these devices ensure system selectivity and coordination. We offer OEM/ODM customization with various frame sizes, current ratings (up to 6300A), and communication protocols.

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ATS

Our ATS solutions automatically transfer loads between primary and standby power sources upon mains failure, ensuring uninterrupted power supply for critical applications in power distribution networks. Engineered with intelligent controllers and mechanical interlocking, these devices enable seamless switching with adjustable time delays and voltage monitoring. We offer OEM/ODM customization with various current ratings, pole configurations, and control logic to match diverse backup power requirements.

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MCCB

Our MCCBs provide reliable overload and short-circuit protection for branch circuits in power distribution networks, bridging the gap between main ACBs and final MCBs. Featuring high breaking capacities, thermal-magnetic or electronic trip units, and compact footprints, these devices deliver selective coordination and robust performance in industrial and commercial applications. We offer OEM/ODM customization with various frame sizes, breaking capacities, and trip unit configurations.

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ATS

Our ATS solutions automatically transfer loads between primary and standby power sources upon mains failure, ensuring uninterrupted power supply for critical applications in power distribution networks. Engineered with intelligent controllers and mechanical interlocking, these devices enable seamless switching with adjustable time delays and voltage monitoring. We offer OEM/ODM customization with various current ratings, pole configurations, and control logic to match diverse backup power requirements.

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Disjuntor de Caixa Moldada

Os disjuntores de caixa moldada DC da Huyu Electric oferecem alta capacidade de interrupção, isolamento de falhas confiável e operação durável para sistemas DC solares, ESS, EV e industriais, garantindo proteção a longo prazo e estabilidade do sistema.

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Certified Electrical Breaker Quality

Every HUYU electrical breaker is tested to meet IEC, UL, KEMA, and other international standards — ensuring safety, reliability, and compliance for your local market.

CB
CE
UL
TUV
KEMA
DEKRA

HUYU — Your Electrical Breaker Manufacturing Partner

Established in 1989, HUYU operates a 100,000m² base with over 1,000 employees. Our joint venture with Eaton means every electrical breaker — from miniature circuit breakers to moulded case and air circuit breakers — benefits from global R&D and strict quality systems. We serve over 100 countries with factory‑direct pricing and OEM/ODM flexibility.

35+
Years of Breaker Manufacturing
100,000
Base de Produção m²
1000+
Funcionários
100+
Países Atendidos

Electrical Breaker Types We Manufacture

Miniature & Residual Current Breakers

  • MCB (Disjuntor de Circuito Miniatura)
  • RCCB (Disjuntor de Corrente Residual)
  • RCBO (Disjuntor de Corrente Residual com Sobrecorrente)
  • Disjuntor Miniatura DC

Moulded Case & Air Circuit Breakers

  • MCCB (Moulded Case Circuit Breaker)
  • ACB (Disjuntor de Circuito a Ar)
  • ATS (Automatic Transfer Switch)
  • Contator DC

Disjuntores Especiais

  • Interruptor de Isolação DC
  • Caixa de Combinação PV
  • Type A / AC / B / F Breakers
  • Circuit Breaker Switch Replacement

Electrical Breaker Brands & Applications

  • Chint‑Compatible Breakers
  • Breaker Electric Box Solutions
  • Electrical Breaker Tripping Prevention
  • Home, Commercial & Industrial Use

Why HUYU is Your Best Electrical Breaker Manufacturer

Joint Venture Eaton

As Eaton’s equal‑share partner, HUYU combines global R&D with local manufacturing efficiency. Every electrical breaker meets the same quality benchmarks as the world’s top electrical brands.

Complete Breaker Portfolio

We manufacture MCB, RCCB, RCBO, MCCB, ACB, DC breakers, ATS, and PV combiner boxes. Whether you need a 16A miniature breaker or a 1600A air circuit breaker, we produce it in‑house.

Certificações Globais

Our breakers hold CB, CE, UL, TUV, KEMA, and DEKRA approvals. Whether you sell in Europe, the Middle East, or Southeast Asia, our products are ready for your target market.

Factory‑Direct OEM & Wholesale

Competitive ex‑factory pricing, MOQ from 2,000 pcs, custom branding, and rapid delivery — all backed by our Eaton‑standard automated production lines.

HUYU Integrated Electrical Breaker Manufacturing

Our automated assembly, testing, and warehousing facilities ensure every circuit breaker meets rigorous quality standards.

Breaker Assembly Workshop
Breaker Automatic Testing
Electrical Component Assembly
Automated Printing Equipment
Semi-Automated Production
Modern Warehouse

Confiado por Marcas Globais

Electrical Breaker FAQ

Como mudar o disjuntor elétrico?
Desligue a energia principal, remova a tampa do painel, desconecte os fios do disjuntor antigo, desencaixe-o da barra coletora e instale o novo disjuntor invertendo estes passos. Como fabricante, a HUYU fornece guias de instalação e suporte técnico com cada pedido.
O que é um disjuntor elétrico?
Um disjuntor elétrico, também conhecido como breaker, é um dispositivo de segurança que interrompe automaticamente o fluxo de corrente quando ocorre uma sobrecarga ou curto-circuito. A HUYU fabrica uma linha completa de breakers, incluindo MCB, RCCB, RCBO, MCCB e ACB para mercados globais.
Um disjuntor elétrico pode apresentar defeito?
Sim, os disjuntores elétricos podem se desgastar ao longo do tempo devido a disparos frequentes, idade ou corrosão interna. Nossos disjuntores passam por testes de resistência elétrica de 10.000 ciclos e testes de resistência mecânica de 20.000 ciclos para garantir confiabilidade a longo prazo.
O que faz um disjuntor elétrico?
Um disjuntor elétrico protege a fiação e os dispositivos conectados desligando automaticamente a energia quando detecta uma sobrecarga, curto-circuito ou fuga à terra. É um componente de segurança crítico em todas as caixas de disjuntores, desde painéis residenciais até equipamentos de manobra industriais.
Como você sabe se um disjuntor está quebrado?
Signs include frequent tripping without an obvious cause, a burning smell near the panel, visible scorch marks, or a breaker that won’t reset. If you suspect a failed breaker, replace it immediately. HUYU supplies certified replacement breakers compatible with most major electrical breaker brands.
Can I replace a breaker switch myself?
Yes, if you have basic electrical knowledge and follow safety procedures. However, always turn off the main power first. For complex breaker switch replacement in commercial or industrial settings, we recommend consulting a licensed electrician. Our factory also offers training and documentation for professional installers.

Let’s Start Custom Your Business!

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