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High Voltage Wiring Harness Solution

Guchen Electronics is a one-stop source for electric vehicle high voltage cable harness assembly, low voltage cable harness assembly and electrical connectors.

ESS Battery Connection Solutions

We offer customized connection solutions for all your BESS requirements. From front to rear connection, we have the right solution for you. Besides that, we have a team of highly trained engineers and technicians who can solve any connection issue that you may have.

EV High Voltage Interconnection Solution

High Voltage Interconnection Solutions are the connectors used to connect the high voltage components in Electric Vehicles. Guchen offers a wide range of High Voltage Connectors for EV, HEV and PHEV applications.

EV Charging Solution

Guchen Electronics offers OEM/ODM, customization services, and has expertise in providing charging solutions for both commercial and residential customers.

Products

EV HV Connectors

EV HV Wiring Harness

EV HV Cable

EV Charging Connectors (Socket & Plug)

Energy Storage Connector

Liquid Cooling Quick Disconnects

EV HV Connectors

Electric vehicle connectors supplied by Guchen Electronics are with excellent shielding, fast safe easy assembling, wide wire section options, compact design and multi positions connectors options. In order to meet different requirements, we provide our customers with various types of quality HV connectors, widely used in the fields of automotive electronics.

TLB Series EV Battery Single-Core Plastic Junction Box

GVA630 Series 40A 3-Pin HV Plastic Connector

MSD-H High Voltage Manual Service Disconnect (630A, 1000V)

GVA280 Series 30A 2-Pin High Voltage Plastic Connector

EV HV Wiring Harness

Guchen Electronics is a professional manufacturer of HV assembled wiring harnesses for electric passenger cars and commercial vehicles. We always pay attention to the quality of HV cables & connectors, and provide global EV manufacturers with high quality products and excellent service.

Electric Compressor HV Wiring Harness

BAT high voltage assembled wiring harness

EV Battery High Voltage Wire Harness

MCU High Voltage Wire Harness Assembly

PTC&AC High Voltage Wire Harness

EV HV Cable

We have a wide range of high voltage cables for passenger car and commercial vehicles like bus, truck, coach etc. Guchen EV HV cables can handle high currents and high voltage. They are high temperature resistant, soft, and with variable options (2.5mm²~120mm² sizes, shielded or unshielded, copper or aluminum cable options). Guchen cables are full customizable to meet different EV requirements.

XLPE/XLPO-insulated aluminum core HV cable

Shielded High Voltage XLPO/XLPE-Insulated Aluminum Cable

silicone rubber high voltage copper cable

Shielded High Voltage Silicone Rubber Copper Cable

Shielded High Voltage XLPE/XLPO Multi-Core Copper Cable

shielded XLPE high voltage single-core cable

Shielded High Voltage XLPE/XLPO Single-Core Copper Cable

EV Charging Connectors (Socket & Plug)

We can offer premium quality type 2 charging gun, CCS2 DC charging plug, CCS2 charging socket vehicle inlet etc. Guchen EV Charging Connectors are built with precision and reliability in mind. All of our EV charging plugs and sockets are made from high-quality materials engineered to withstand daily use in public charging stations. We've rigorously tested them to meet the latest standards for safety, charging speed and reliability. Guchen Electronic aims to be a leading supplier of charging solutions as electric vehicles become more prevalent worldwide. Please contact us to learn more about our EV charging connectors.

CCS2 DC EV Charging Plug/Gun

CCS2 EV DC Charging Socket (Vehicle Inlet)

Energy Storage Connector

Guchen Electronics is specialized in designing and manufacturing of electric vehicle high voltage connectors (with various specifications and features), HV wire harness & cables, EV charging equipment, and HV connectors for Battery Energy Storage System (BESS).

MSD-C1 Series 350A ESS MSD Connector

GCS12 12mm 250A-350A Battery High Voltage Connector

GCS08 8mm 150A-250A Energy Storage Connector

GCS2 300A/350A Battery Copper Bus Bar Connector

Liquid Cooling Quick Disconnects

Guchen Electronics Liquid Cooling Quick Disconnects – Efficient, Reliable, and Future-Ready! Optimize your data center cooling with Guchen Electronics’ Liquid Cooling Quick Disconnects. Designed for high-performance thermal management, our connectors ensure rapid, leak-free connections, effortless maintenance, and superior durability under extreme conditions. Supporting high flow rates and a variety of cooling fluids, they are engineered for seamless integration with liquid-cooled racks, servers, and high-density computing systems.

MDC Series Liquid Cooling Quick Disconnect Couplings

MQD/MQDB Coupling (NVIDIA Standard)

UQD Connector | Universal Quick Disconnect Coupling

UQDB Series Blind-Mate Floating Coupling

Blog

Company Blog

Guchen Electronics is a professional China factory for electric vehicle connectors, high voltage cable assemblies, EV charging equipment and energy storage connectors. We provide all kinds of products with high quality and competitive price.

Industry Blog

Here you can learn about the global electric vehicle industry, news, reviews and analysis about electric vehicle industry trends, technologies and manufacturers.

Exhibitions

Guchen Electronics attends various exhibitions yearly, including Electric Vehicle Expo which has become a world-famous event. As one of the best EV HV connector manufacturers, Guchen Electronics has attracted hundreds of suppliers and buyers from all over the world during the exhibitions.

Technical Support

Guchen provides one-stop technical supports relating to HV connectors, cable assemblies, and energy storage connectors. We have strong expertise in different technologies not only limited to power electronics. We have provided the standard level of services for our customers during the whole process from initial product design, building to mass production and routine maintenance.

About Us

About us

Quality Assurance

Service

About us

Guchen Electronics is a professional manufacturer and custom solution provider of electric vehicle connection system and ESS battery connection system. We are located in Shenzhen, China. Our international business covers more than 70 countries around the world. With many years' experience in the field, we can provide OEM products with high quality, good price and on time delivery. Welcome to contact us if you are interested in any of our products.

Quality Assurance

Guchen Electronics is a manufacturer of all kinds of high voltage connectors. Our products include, high voltage interlock connectors, low/high current HV connectors and cable assembly which are compliant with international standards. We have an excellent team and advanced production equipment to meet market demands.

Service

No matter your business is large or small, OEM, ODM and OBM orders are all available. We can provide you with the best pre-sale and after-sale services, to ensure that your orders are completed smoothly in time. Guchen connectors covers all kinds of types with OEM services. We firmly believe that it is the best way to establish a win-win cooperation. Guchen EV HV connectors is your excellent choice. The reasons why Guchen EV HV connectors is your competent partner: 1) Good quality + Competitive price + Professional service 2) Short delivery date 3) Reliable and stable after-sale service

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GCS2 300A/350A Battery Copper Bus Bar Connector Details

GCS2 connector is a safe and economical two-way energy storage connector for connecting bus bars, rated current 300A/350A, operating voltage up to 1500V DC. It has a wide range of applications in energy storage solutions such as modular battery storage solution, residential storage battery modules and other BESS.
The busbar connector can be used in harsh environments such as high temperature environment.

About Guchen Electronics
Guchen Electronics provides one-stop future-oriented connection technology for battery energy storage systems. Our battery storage connectors deliver high-current performance along with various configuration options. These power connectors ensure highest degree of safety, and excellent for both commercial and residential energy storage solutions.

The main features of GCS2 300A battery bus bar connectors are as follows:

◆ Great waterproof performance
It has good waterproof performance and long service life. The sealing rubber parts ensure that the connector will not be affected by water vapor or dust when installed outdoors.
PS: Non-waterproof version is optional, with strong selectivity.

◆ Fast installation
Direct contact with the battery module on the rack bus, the upper cover buckling that is to achieve rapid installation, which greatly reduces the installation cost and improves installation efficiency. It greatly simplify the installation of power transfer system in battery energy storage systems (BESS).

◆ Maintenance
Quick disassembly for easy access and maintenance.

◆ High cost efficiency
Compared with competitive energy storage connectors, GCS2 copper busbar connectors have more advantages in use cost, which is undoubtedly a cost-effective choice for energy storage enterprises.

◆ High safety
The protection level of the GCS2 300A battery busbar connector is IP65, which can effectively prevent condensation and salt spray erosion;

Main Parameters:

Technical Parameters		Technical Parameters
Material	PA66 / T2 Tin-Plated Copper	Rated Voltage	1500V DC
Rated Current	300A / 350A	Insulation Resistance	>500 MΩ
Contact Resistance	≤0.5 mΩ (100 mA)	Dielectric Withstand Voltage	4000V AC
Mounting Screw Torque	M10 – 23 N·m, M4 – 2 N·m	Protection Rating	IP65 / UL94 V-0
Compatible Busbar Size	25 × 6 mm	Compatible Cable Lug	JG95-10 / JG120-10
Compatible Cable Size	95 mm² / 120 mm²	Operating Temperature	-40 ~ +125°C

GCS2 Series Selection Guide

Series	Current Rating	Recommended Application	Key Benefits
GCS2 300A/350A	300A / 350A	Modular ESS Battery Packs & Energy Storage Cabinets	Compact design, flexible installation, optimized system integration
GCS2 500A/600A	500A / 600A	High-Power BESS & Industrial Energy Storage Systems	Maximum current capability, high reliability, heavy-duty performance

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