4.2mm Wire-to-Wire Connector

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4.2mm Wire To Wire Connectors

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Model No:C4201Series

JSW C4201H-2 * NP is a sturdy and durable 4.2mm wire to wire connector designed for stable power transmission in medium current applications. This connector supports 1 to 12 circuits, with a rated current of 7A and a rated voltage of 250V AC/DC. It...

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4.2mm Wire To Wire Connectors

4.2mm Wire To Wire Connectors
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Wanshengrongye (Jiansheng Rongye) 4.2mm Wire-to-Wire Connector is a high-precision and highly reliable electrical connector, designed for industrial automation, automotive electronics, household appliances, communication systems, and other high-demand electrical connection scenarios. Crafted with premium conductive materials and advanced injection molding technology, every contact point undergoes strict quality control to ensure excellent conductivity, corrosion resistance, and mechanical strength.

Product Features

4.2mm Wire-to-Wire Connector

Application Scenarios

Automotive Electrical Systems

The 4.2mm wire-to-wire connector is widely used in automotive wiring harnesses, including headlights, motors, ECUs, and auxiliary systems. Its heat resistance, vibration durability, and secure locking design ensure stable electrical contact even in demanding driving environments.
Home Appliance Internal Wiring

This connector is commonly applied in refrigerators, washing machines, ovens, and air conditioners. It links motors, control boards, and power modules, offering high voltage resistance, shock durability, and long insertion lifespan for long-term appliance reliability.
Industrial Automation Equipment

Widely used in industrial machinery, servo systems, and sensor modules, this connector supports higher load currents while maintaining low contact resistance, ideal for high-intensity and multi-shift industrial environments.
Power Supply Applications

The connector is suitable for switching power supplies, adapters, and power drivers, serving as a stable interface between input and output wiring. It reduces the risk of loose contacts under varying current conditions.

Product Philosophy

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JSWGD upholds the philosophy of “Precision & Reliability, Innovation-Driven, Green & Sustainable.” Through our self-developed high-precision connector technology, every product achieves international-leading standards in signal transmission, mechanical strength, and environmental adaptability. At the same time, we focus on optimizing manufacturing processes, reducing energy consumption and material waste, delivering high-quality and eco-friendly electronic connection solutions to clients worldwide. We believe that outstanding product design not only meets current customer needs but also sets the benchmark for the industry’s future development.

Original concept

FAQ

Important things you should know

What is the rated current of the 4.2mm wire-to-wire connector?

Typically rated between 5A and 10A depending on the terminal material, wire gauge, and connector series. For high-current applications, higher-temperature terminals and thicker wires are recommended.

Will it loosen due to vibration? Is it suitable for automotive use?

It features a vibration-resistant locking mechanism and is suitable for automotive wiring harnesses. For more demanding environments, enhanced locking structures or secondary locks can be selected.

Do you provide custom cable harness services?

Yes. We offer customized cable assemblies including length, wire gauge, terminals, insulation, color, and complete harness manufacturing—ideal for OEM/ODM mass production.

What materials are used and is it heat-resistant?

The housing is generally made of high-temperature and flame-retardant nylon (PA66) rated UL94V-0 or V-2. Terminals are made of phosphor bronze or brass with tin/gold plating. Operating temperature is -25°C to 105°C.

Will the terminals heat up during operation?

Terminal heating may occur if current exceeds rating, contacts are poor, or crimping is improper. Proper wire gauge and secure crimping will prevent overheating.

How to ensure crimping quality? Can we get test reports?

We use automated crimping equipment to ensure proper crimp height, pull force, and indentation quality. Pull-force test reports, material certificates, and RoHS/REACH compliance documents are available upon request.

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4.2mm Wire-to-Wire Connector

4.2mm Wire To Wire Connectors

4.2mm Wire To Wire Connectors