The New Energy Wire Harness Manufacturer!
At COCENTRA, we will continue to uphold the principle of "Innovation, Quality, and Service First," focusing on the needs of our customers and continuously improving our products and services. We strive to be your trusted, long-term partner in connectors, cable assemblies, and antenna solutions.
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AC HarnessKey Features. Matched Pair Solution. Female (CATS230-049) + Male (CATS090-050) connectors. High-Current AC Rating. 600V AC / 42A continuous (10AWG recommended)read more
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DC HarnessKey Features. Stäubli MC4 Certified. Fully compliant with IEC 62852 & UL 6703 standards. Dual-rated voltage: 1000V DC (IEC) / 1500V DC (UL)read more
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Switch HarnessKey Features. GHX5 Series Isolator Switches. 1000V AC rated voltage for solar applications. Panel-mounted (P-type) with dual IP ratingsread more
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Communication HarnessKey Features. Industrial D-SUB Connector. YLK waterproof 9-pin female (solder type). 2500+ mating cycles for long-term reliabilityread more
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Button HarnessKey Features. Vandal-Resistant Metal Switch. ONPOW LAS1GQ series stainless steel button. 50,000+ operation cyclesread more
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Socket HarnessKey Features. Military-Grade Aviation Socket. YF M25 series panel-mount socket (solder type). 3000+ mating cycles for field durabilityread more
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Thermistor Assembly HarnessKey Features. Precision Temperature Sensing. EXSENSE BT series NTC thermistor. 10KΩ±1% @25°C with B3950K±1% curveread more
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Battery Cable HarnessKey Features. Dual-Purpose Configurations. Charging Ports: 5PIN 2P3S (6A power + 2A signal). Discharge Ports: 2P4S (30A power + 2A signal, expandable to 4P8S)read more
why choose us
Expertise
With over ten years of experience and a specialized R&D team, we offer industry-leading solutions backed by years of technological innovation.
Production Equipment
With our connector lab and antenna lab, we are dedicated to delivering highly competitive products that help our clients enhance their market competitiveness.
Product Quality Guarantee
All our products undergo rigorous testing and meet international standards, including ISO9001, ISO14001, IATF16949, and QC080000 certifications. We are responsible for the quality of every connector, cable assembly, and antenna solution.
Product Customization
We provide tailored solutions, including small-batch production and custom connectors. Our technical team ensures the products meet your exact specifications.
Advantages of wiring harnesses for new energy vehicles
Highly efficient transmission of electrical energy and signal data
New energy vehicle wiring harnesses connect various electrical devices inside the vehicle through fine design and layout, realizing the interconnection of electrical energy and signal data. Power harnesses are mainly used to transmit high-current electrical energy, connecting key components such as electric motors, batteries and charging devices to provide power drive for electric vehicles. The signal harness is used to transmit low-current signal data, connecting various sensors, controllers, and in-vehicle electronic devices to realize communication and control between vehicle components. This efficient transmission ensures the normal operation and precise control of the vehicle.
Protecting wires and connectors
New energy vehicle wiring harnesses utilize high-quality insulating materials and connectors that can effectively protect wires and connectors from damage in harsh environments. These materials have good weather and abrasion resistance, and can withstand adverse factors such as vibration, temperature changes and humid environments during vehicle operation, thus extending the service life of the wiring harness.


Simplified Installation and Maintenance
The prefabricated and standardized design of wire harnesses for new energy vehicles makes them easy to install and maintain. The modular design of the wiring harnesses makes the installation process easier and faster, improving productivity. At the same time, standardized interfaces and connectors also facilitate subsequent repair and replacement work, reducing maintenance costs.
Improve the reliability of the system
New energy vehicle wiring harnesses are reasonably designed and wired in an orderly manner, which can effectively reduce electromagnetic interference and mechanical damage, and improve the reliability and stability of the system. Reasonable wiring design can also reduce the length and complexity of the line, reduce energy loss and signal attenuation, thereby improving the performance of the entire electrical system.
Testing of New Energy Wire Harness
Electrical Continuity Testing
Electrical continuity testing ensures that every connection in the harness is intact and capable of carrying the required current without fail. Continuity checks are essential for verifying the wiring and ensuring no open circuits or broken connections in the harness.
Thermal Stress Testing
Thermal stress tests simulate extreme temperatures to ensure that high-quality EV wiring harnesses can withstand the thermal fluctuations that occur in real-world conditions. These tests ensure the insulation materials don't degrade over time due to heat and that the wiring continues to function efficiently.
Vibration and Mechanical Testing
Vibration and mechanical stress tests verify that the harness can survive the dynamic environment of an electric vehicle. These tests simulate the vibrations and physical forces the wiring harness will encounter throughout its service life.
Environmental Durability Testing
Environmental testing evaluates the harness's resistance to moisture, chemicals, UV radiation, and other environmental factors. These tests simulate the real-world conditions the harness will be exposed to during the vehicle's operational lifetime.
Application of New Energy Wire Harness
Aerospace. Wire assemblies are used in an expansive range of aerospace products, such as drones, satellites, and aircraft to facilitate the transmission of power, communication, and more.
Automotive. Wire harnesses are critical for saving valuable space within automobiles within the dashboard, under the hood, lighting/signals, and more. They are also important for organizing complex wiring in such a way that technicians can easily identify their purpose.
Medical. Hospitals and clinics rely on wire harnesses to organize and protect wires in and between equipment, including crash carts, diagnostic and imaging equipment, dental equipment and more.
Telecommunications. Wire harnesses optimize use of space in a variety of telecommunications equipment, such as modems, routers, repeaters, and a variety of other communication and broadband equipment.
Information technology. Nearly all computers, laptops, servers, and other IT technology contain wire harnesses to optimize space and organize wires for easy identification and installation by technicians.
Construction. Wire harnesses are widely used within structures to provide wiring insulation and organization.
Manufacturing. CNC machines and other powered manufacturing equipment rely on wire harnesses to route and organize external and internal wiring.
Robotics and automation. Wire harnesses are used on most automated equipment and robotics to safely route, group, and protect critical wiring.
Wire Harness Components and Materials Used in Manufacturing
Wire harnesses consist of various components and materials in the manufacturing process. The most common elements include wires, connectors, terminals, and protective sleeves. Wires are typically made from copper or aluminum and are coated with insulation to prevent electrical interference. Connectors join wires and come in various shapes and sizes depending on the application. Terminals are attached to the wire ends to connect them to other components. Protective sleeves to cover the cables provide additional protection from heat, moisture, and other environmental factors.

The materials used to manufacture wire harnesses can vary depending on the application and harness assembly requirements. Common materials include PVC, polyethylene, and polypropylene for insulation and nylon or polyester for protective sleeves. With specific applications where high temperatures or extreme environmental conditions are a concern, using more advanced materials such as Teflon or silicone is common.
FAQ
We're professional new energy wire harness manufacturers and suppliers in China. If you're going to wholesale customized new energy wire harness, welcome to get quotation from our factory. For price consultation, contact us.
Button Harness, Switch Harness, Thermistor Assembly Harness