Zhejiang Yonggui Electric Equipment Co., Ltd.

CD4 Rectangular Connectors

Yonggui CD4 Rectangular Connectors are high-quality electrical connectors available at wholesale prices. These railway connectors are designed to provide reliable electrical connections for various applications. These CD4 rectangular connectors comply with the GB/T34119 standard for electrical connectors in railway rolling stock. They are also environmentally friendly, meeting the RoHS regulations. Trust Yonggui for high-quality electrical connectors at wholesale prices.


Specifications of CD4 Rectangular Connectors

Electrical ParametersRated voltageφ1.6(110V DC)
φ2.4(250V AC)
Insulation resistance≥5000MQ
Insulation resistance≥5000MQ
φ1.6/50Hz AC2000V 1 min
φ2.4/50Hz AC2500V 1min
Rated currentφ1.6(13A)
φ2.4(20A)
Contact resistanceφ1.6 ≤3mΩ
φ2.4 ≤1mΩ
Mechanical parametersMechanical life≥750 times
Vibration impactGB/T21563-2008 requirements according to the provisions of Class 1, Level B
Other parametersProtection gradeIP40
Temperature range-40℃~+125℃
Insulatormolded plastic
Flame retardant gradeUL94-V0 and En45545
Pinhole partscopper alloy;
Surface treatmentAu plating
Execution standard

GB/T 34119

<Electrical Connectors for Railway Rolling Stock>

Environmental complianceRohs


Contact Yonggui Electric for Connectors
Contact Yonggui Electric for Connectors
We Can Provide
  • Customized Solutions

    Tailoring connectors to your unique needs.

  • Expert Technical Support

    Provide system-level solutions

  • Quick Response

    Respond to needs within 12 hours

Blog & News
Yonggui YG Series DC Charging Inlets for Efficient Fast Charging Across Diverse Applications
With the rapid adoption of high-power fast-charging technology for electric vehicles, current-carrying capacity, safety, compatibility, and operation and maintenance efficiency have become critical to...
Read More
Common Railway Pantograph Problems and Effective Ways to Prevent Them
Railway operators rely on thousands of interconnected components to keep electric trains running safely and efficiently, but few components experience the same level of continuous mechanical and elect...
Read More
How Telecommunication Connectors Enable Reliable Connectivity in 5G and Fiber Communication Networks
Modern communication networks depend on stable, high-performance connections to support the rapid growth of data transmission, cloud services, industrial automation, and smart devices. Behind every re...
Read More
Important Notice: Yonggui Electric's official business emails use the @yonggui.com domain. Please verify email communications before taking action. Learn more ›