Top AC Contactor Manufacturers in China [2025 Guide]

The top AC contactor manufacturers in China include TOSUNlux, WEAG Electric, CNC Electric, C&J Electrical, and GuangPu Electrical. These companies produce contactors for motor control and industrial automation with international certifications.

Here’s what each company offers, their product ranges, and key specifications to help you choose the right AC contractor supplier:

Top Chinese AC Contactor Manufacturers at a Glance

ТОСАНлюкс

TOSUNlux has been manufacturing electrical products since 1994 and operates production facilities in Wenzhou and Shenzhen. We serve 93 countries through 51 appointed agents worldwide.

Our AC contactor range includes a wide variety of models for different applications. For example, we offer the TSC-D series that handles up to 660V AC and rated currents from 9A to 95A. It also features delay timing, mechanical interlocking, and star-delta starting when combined with auxiliary contact blocks.

Key TSC-D series features:

• Complies with IEC60947-4 standards
• INTERTEK certification for global markets
• Ideal for controlling AC motors
• Advanced timing and interlocking capabilities

We also offer the TSC1-K contractor with currents from 6A to 16A. All our contactors work with 220V to 660V AC systems and come with comprehensive certifications, including CE, CB, TUV, and IRAM.

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WEAG Electric

WEAG Electric has worked in electrical power for 20 years with the mission to keep power flowing safely. The company makes AC contactors from 9A to 38A capacity that comply with IEC60947 standards.

Their AC contactors work with 220V to 690V systems and are used for motor control applications. Product range includes contactors for small motors (9A-12A), medium applications (18A-25A), and larger motors (32A-38A). WEAG provides technical consultations to help customers select the right products for their specific needs.

The company offers remote online assistance for installation and commissioning. They maintain strict quality control and work with professional logistics companies for global delivery.

CNC Electric

CNC Electric was founded in 1988 starting with molded case circuit breakers and has grown to serve over 130 countries. The company makes various AC and DC contactors for industrial automation needs.

Their product range includes standard AC contactors for motor control, vacuum contactors for high-voltage switching, and modular designs for panel installation. Products cover both low-voltage and high-voltage applications. CNC focuses on power distribution and renewable energy applications.

The company emphasizes smart manufacturing and international certifications. They position themselves as connecting the electrical ecosystem for sustainable energy transitions.

C&J Electrical Holding

C&J Electrical operates as Zhejiang C&J Electrical Holding with over 20 years in the electrical industry. The company specializes in energy storage power supply solutions and inverter technology development.

Their contactors are designed for energy storage systems, solar installations, and backup power equipment. Products include both standard switching contactors and specialized units for battery management systems. Since 2016, they have expanded internationally and now serve more than 50 countries and regions.

The company focuses on research, development, production and sales of electrical products. They have become a leading brand in outdoor power supply and inverter industries.

GuangPu Electrical

GuangPu Electrical was founded in 2002 as an integrated industry and trading enterprise. The company manufactures terminal blocks, distribution boxes, and both AC and DC contactors.

They offer standard AC contactors alongside customized versions with modified contact arrangements and special coil voltages. Products include panel-mount contactors, DIN rail models, and custom configurations for specific applications. They specialize in customization, particularly for distribution boxes and brass terminal blocks.

The company has grown consistently since its foundation and continues expanding its electrical product range. It excels at providing customized solutions for specific customer requirements.

Choosing an AC Contactor Supplier

When looking for an ac contactor supplier, check their certifications and product quality first. Look for companies with CE, UL, or IEC approvals that match your market requirements.

Consider these factors:

• Product range that covers your current and voltage needs
• International certifications for your target markets
• Technical support and documentation in your language
• Delivery times and shipping capabilities to your location
• Warranty terms and after-sales service availability

If possible, visit the factory to see its production process and quality control. Ask for customer references and check their reputation in the industry before making large orders.

Заключение 

These are the leading AC contactor manufacturers currently operating in China’s electrical industry. Each company brings something different, from TOSUNlux’s 30-year track record and presence in 93 countries to WEAG’s technical consultation services to GuangPu’s customization capabilities. 

Whether you need standard AC contactors for motor control or specialized units for energy storage systems, you should evaluate each manufacturer’s capabilities to find the best fit for your specific requirements.