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Arc Chamber
Arc Chamber
terminal
Terminals
stamped parts
Stamping Parts
coils
Coils
wires
Wires
Magnetic Trip Unit
Magnetic Trip Unit
Thermal Trip Unit
Thermal Trip Unit
Operating Mechanism
Operating Mechanism
Contact Assembly
Contact Assembly
Connector Assembly
Connector Assembly
Arc Chute for MCB (Miniature Circuit Breaker) parts
Application: MCB, miniature circuit breaker
Sample charge: Free, customer need to pay for the freight
Stamping parts for Wall switch 
Application: Stamping parts for Wall switch
Sample charge: Free, customer need to pay forthe freight
Binding Posts for MCB Miniature Circuit Breaker
Application: Miniature Circuit Breaker
Sample charge: Free, customer need to pay for the freight
Coil for MCB Miniature Circuit Breaker
Application: Coil for MCB Miniature Circuit Breaker
Sample charge: Free, customer need to pay forthe freight

About HAIPART

Wenzhou Zhonghui Electric Co., Ltd. is a new type of professional processing components integrated manufacturing processing enterprises, the company has its own independent intelligent assembly and welding processing equipment R&D center, as well as its own independent parts assembly and spot welding processing workshop. On the basis of ensuring product consistency and production efficiency, we also provide customers with a full range of component processing solutions, including spot welding, assemblying, riveting and a series of parts integration projects...
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Foundated in 2019
 
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Fully Automatic Installation Equipment
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Company Staff
 

Strategic Partnership Opportunities in Circuit Breaker Components

Why Choose HAIPART

HAIPART is a diversified company in the low-voltage electrical apparatus field with comprehensive production capabilities.
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We not only independently produce plastic and metal parts but also process them into components through various advanced manufacturing techniques...
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We have professional teams for technology and equipment R&D, quality management, and production management, ensuring high-quality products and excellent service for our customers.

Customize the Solution Process

centre of excellence

R&D Centre of Excellence

At HAIPART we have an excellent technological and Automation R&D centre with more than 80 senior technicians who use the most advanced state-of-the-art 3D software to design and develop parts and automatic machines.
 
outstanding quality

Consistently Outstanding Quality

We control every step to guarantee the components’quality. We added the electronic inspection module on the automatic equipment to control the quality.The testings will insure the uniformity of the product and satisfy a efficient automatically assembling.

DIGITAL SHOWROOM

If you want to learn more about our manufacturing capabilities, you can click on the avatar in the scene, or accept my invitation

News and Events

  • Residual Current Circuit Breaker (RCCB): The Unseen Guardian of Electrical Safety

    [Product News] Residual Current Circuit Breaker (RCCB): The Unseen Guardian of Electrical Safety
    RCCB: Function & Assembly Daily RoleRCCB (Residual Current Circuit Breaker) is a crucial safety device. It detects current leakage, instantly cutting power to prevent electric shocks and fires, protecting homes and workplaces 24/7. Assembly Steps 1. Prep Housing Unbox and place the base on a flat Read More
  • Celebrating International Women's Day at Haipart!

    [Trade News] Celebrating International Women's Day at Haipart!
    Celebrating International Women's Day at Haipart! Today, we honor the incredible women of Haipart—our engineers, innovators, and leaders who drive our success every day. To mark #IWD2026, we distributed thoughtful gifts as a small token of our gratitude for their dedication, resilience, and invalu Read More
  • Haipart to Showcase Arc Chambers, Terminals, Stamping Parts and Coils at AMPER 2026 | Hall F Stand 401

    Haipart to Showcase Arc Chambers, Terminals, Stamping Parts and Coils at AMPER 2026 | Hall F Stand 401
    Outline1. Introduction – Haipart to Exhibit at AMPER 2026Overview of the exhibition and Haipart’s participation.2. Engineering the Core of Circuit Breaker PerformanceImportance of circuit breaker components for MCB and MCCB systems.3. Arc Chamber Technology for Reliable Arc ControlTechnical design a Read More
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We believe that through our manufacturing strengths and service commitment, we are able to provide our customers with superior products and an unparalleled service experience.​​​​​​​
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