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Heavy Duty Connectors: Yonggui HDC for the Most Demanding Applications

In demanding industrial environments - such as mechanical engineering or railway technology - absolutely reliable electrical connections under harsh conditions are essential. Heavy duty connectors (HDCs) are the key to safely transmitting power, signals, and data even under high mechanical stress, dust, and moisture. 

As your trusted partner, alfatec GmbH & Co. KG presents the high-quality portfolio of industrial connectors from renowned manufacturer Yonggui. These HDC connectors stand for maximum robustness, flexibility, and safety. 

Learn more about the specific Yonggui series (M-Series, HDC-Series, D-Series, E-Series) we offer and how they can boost your efficiency and system availability, even in the toughest environments. 

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Advantages of Yonggui Heavy Duty Connectors
Extreme durability: Housings made of die-cast aluminum or impact-resistant plastic withstand mechanical stress, vibration, and shock
High protection rating: Dust and water protection up to IP68/IP69K depending on series and configuration
Reliable contact: High-quality contacts with low contact resistance ensure stable and efficient transmission
Modularity: Combine power, signal, data, and pneumatic modules as needed
Safety: Secure locking systems, optional PE (protective earth) leading contact
Wide temperature range: Operates reliably from -40°C to +125°C
Ease of use: Thoughtful designs for easy installation and maintenance
High electrical capacity: Especially the HDC-Series is designed for high current and voltage
Application Areas
Mechanical engineering: Machine tools, production lines, packaging machines
Plant engineering: Process plants, energy generation (e.g., wind turbines)
Robotics: Connecting robot arms and peripheral systems
Railway technology: Signal, data, and power connectors for trains and infrastructure
Stage and event technology: Reliable connections for lighting and sound systems
Control cabinet construction: Clean and secure wiring
Renewable energy: Solar and wind park components

Overview of Yonggui HDC Connector Series

alfatec offers proven heavy-duty connectors from Yonggui, each optimized for specific industrial requirements: 

 

Yonggui M-Series: Maximum Modularity & Flexibility 

The M-Series is designed for complex connection requirements. Thanks to its modular design, you can combine modules for power, signals, data (up to 10G Ethernet or fiber optics), and even pneumatics (up to 8 bar) in a single connector. This saves space, installation time, and increases design flexibility. 

Technical Highlights: 

  • Rated voltage: 150 V to 1000 V
  • Rated current: 10 A to 200 A
  • Temperature range: -40 °C to +125 °C
  • Data transmission: Ethernet 100M / 1G / 10G, fiber optics
  • Pneumatics: Air connections up to 8 bar
  • Ideal for: Machine tools, robotics, plant engineering, test benches 

Yonggui D-Series: High Contact Density for Signals 

The D-Series focuses on signal and control transmission with high contact density. It’s the efficient solution when many signal lines need to be securely connected in tight spaces. 

Technical Highlights: 

  • Rated current: 10 A 
  • Rated voltage: 250 V 
  • Number of contacts: 24 to 108 poles 
  • Ideal for: Control cabinets, automation systems, signal distribution 

Yonggui HDC-Series: Modular Power for High Loads 

The HDC-Series is the go-to solution for high current and voltage transmission. Designed for demanding power applications, it offers outstanding electrical capacity and safety. 

Technical Highlights: 

  • Rated current: up to 650 A
  • Rated voltage: up to 2500 V
  • Modular design for custom configurations
  • Ideal for: Power distribution, drive systems, large machinery, railway power connectors, wind turbines 

Yonggui E-Series: The Rugged Standard for Power 

The E-Series is the proven standard for power transmission in many industrial applications. These connectors offer reliable performance for standard power needs with high mechanical durability. 

Technical Highlights: 

  • Rated current: 16 A 
  • Rated voltage: 500 V 
  • Number of contacts: 6 to 64 poles 
  • Ideal for: General machinery, conveyor systems, automation 

Our Partner for Heavy Duty Connectors

Yonggui Electric

Yonggui Electric (Zhejiang Yonggui Electric Equipment Co., Ltd.) is a leading manufacturer of electrical connection components with a strong focus on technological innovation and quality. With extensive experience, especially in the fields of railroad connectivity, renewable energy and electromobility, Yonggui has established itself as a reliable global supplier. Its products are characterized by precision, durability and compliance with the strictest industry standards. alfatec is proud to offer Yonggui's high-quality plugs, sockets and system solutions.

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Your requirements – Our HDC solution

Whether for standard applications or complex challenges with high loads, Yonggui HDC connectors from alfatec offer the right solution. Our team of experts will be happy to assist you in selecting the right connector system for maximum efficiency and safety in your application.
 

 

Request your personalized quote now

See the quality and performance of our HDC connectors for yourself. Request a non-binding quote today or download the data sheets.

alfatec – your partner for high-quality electronic components

As your expert partner for electronic components, alfatec supports you in selecting the right HDC connectors for your applications. We offer comprehensive advice and are happy to answer any questions you may have about power modules.

Do you have questions about our HDC connectors or would you like a personal consultation? Feel free to contact us.