Reliable Heavy Duty Connectors for Industrial Applications

SMICO delivers high-quality, ISO 9001 & UL certified heavy duty connectors, terminal blocks, crimp tools, and energy storage solutions with over 20 years of engineering excellence.

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About SMICO Electrical

Zhejiang Smico Electrical Technology Co., Ltd. is a high-tech enterprise integrating research, production, and sales of heavy-duty connectors. With over 20 years of experience, we are not only a supplier but also a manufacturer committed to quality, innovation, and reliability.

Guided by the principle "quality for survival, credibility for development," we absorb international advanced technology and design concepts to deliver products that lead in the market.

20+

Years Experience

ISO 9001

Certified

Our Product Range

Explore our comprehensive line of industrial connectors, terminal blocks, crimp tools, and energy storage solutions engineered for durability and performance.

HA Connector Insert

3-16 pin options, 10A-16A rating, HDC series, Germany-standard heavy-duty connectors.

HE Connector Insert

24-pin cage-clamp, quick push-in, male/female variants, industrial-grade reliability.

HD Connector Insert

Robust design for high-vibration environments, multi-pole power and signal transmission.

H3A Connector Hood & Housing

Rectangular housing for 3-pin connectors, compatible with hot-runner systems.

Spring Terminal Blocks

Push-in technology, vibration-resistant, ideal for control cabinet wiring.

Crimp Tools

Precision tools for crimp contacts, ensuring secure and durable wire connections.

Energy Storage Connectors

High-current solutions for battery systems, solar, and EV charging infrastructure.

Cable Glands

IP68-rated sealing, strain relief, and EMI protection for industrial cabling.

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Why Choose SMICO?

Certified Quality

ISO 9001 and UL certified manufacturing processes ensure every product meets international safety and performance standards.

20+ Years Expertise

Decades of experience in heavy-duty connector design and production enable us to solve complex industrial challenges.

Global Support

Serving customers worldwide with multilingual support and fast response times for technical and sales inquiries.

Frequently Asked Questions

What are heavy-duty connectors used for?

Heavy-duty connectors are used in industrial environments for power, signal, and data transmission in applications such as machinery, automation, energy systems, and transportation where reliability under harsh conditions is critical.

Are SMICO connectors compatible with Harting Han series?

Yes, many of our connectors, such as the 3-pin H3A series, are designed to be compatible with Harting Han connectors, offering a cost-effective alternative without sacrificing performance.

Do you offer custom connector solutions?

Yes, as a manufacturer, we provide OEM and ODM services to customize connectors based on specific voltage, pin configuration, housing, or environmental requirements.

What certifications do SMICO products have?

Our company holds ISO 9001 certification for quality management, and many of our products are UL certified, ensuring compliance with international safety and performance standards.

Get in Touch

For product inquiries, technical support, or custom solutions, visit our official website to connect with our team.

Email

[email protected]

Phone

+86-13968775537

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