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Advanced Electrical Connector Supplier

Founded in 1988, SHANGHAI GKONCY ELECTRIC CO., LTD. has served customers for decades with the philosophy: "Quality builds the enterprise, service creates the future." We specialize in low-voltage electrical accessories and connection products, offering five major series with tens of thousands of items – including DIN rail terminal blocks, power distribution blocks, high-current connectors, cold-pressed terminals, and heavy-duty connectors. Our DIN rail terminal blocks are CE and UL certified, featuring secure, vibration-resistant connections for reliable performance across a wide range of applications.
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Our Electrical Connector Categories

Why Choose Our Electrical Connectors?

Premium materials selected for quality and durability.


High-precision molds and efficient manufacturing processes.


R&D focused on cost efficiency and secure wiring solutions.


Tool-Free Push-In Terminal

Tool-Free Push-In Terminal

Insert rigid conductors or crimped flexible conductors directly — no tools, no hassle.

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Easy Installation and High Efficiency

Easy Installation and High Efficiency

Modular design eliminates manual bridging for faster setup. Lower insertion force enables direct connection of rigid and multi-strand conductors.

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Durable and Cost-Effective

Durable and Cost-Effective

Screw terminals are the standard in electrical connections. Simple, reliable, and easy on the budget.

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Shock, Wear & Corrosion Resistant

Shock, Wear & Corrosion Resistant

The input terminal connects external power and signals to your device.

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How to Choose the Right Electrical Connector for Your Project

How to Choose the Right Electrical Connector for Your Project

Key selection criteria:


  • Application environment – Identify the operating conditions. For example, automotive electronics demand vibration-resistant, high-waterproof connectors.

  • Electrical performance – Meet requirements for current-carrying capacity and operating temperature range.

  • Mechanical structure – Evaluate torque resistance for screw terminals, insertion and withdrawal forces for spring-cage terminals, as well as mechanical endurance and ease of use.

  • Environmental adaptability – Ensure resistance to moisture, heat, and aging.


FAQs of Electrical Connectors
FAQS

FAQs of Electrical Connectors

How do I choose the right terminal blocks?

Start by confirming the wiring method, then evaluate the electrical parameters, and finally consider the mechanical and environmental requirements for your application.

What are the key points for wiring terminal blocks?

  • Screw-type: tighten to specified torque.

  • Push-in: use crimped ferrules for stranded wires.

  • DIN rail mounting: secure retaining clips before installation.


Why are my terminal blocks overheating?

Possible causes:


  • Loose connections – Caused by improper wiring installation or vibration in operating equipment. Regular inspection is recommended.

  • High contact resistance – Caused by loose wires or oxidized conductive parts. Check and tighten connections, and clean or replace oxidized components.


What are the common difficulties when installing terminal blocks?

  • Limited space – Insufficient clearance can make wiring difficult.

  • Non-standard DIN rail – Ensure the rail meets dimensional specifications.

  • Incorrect mounting procedure – Always secure the retaining clips before snapping the terminal onto the rail.


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