EV Charging Solutions for B2B Buyers | JONHON

A rapid EV charger is the industry term for a DC fast charging unit capable of replenishing an electric vehicle's battery significantly faster than standard AC charging. These chargers are defined by their high power output, typically starting at 50 kW and extending to 150 kW, 350 kW, and beyond. They bypass the vehicle's onboard charger to deliver high-voltage DC power directly to the battery, enabling charging sessions from low charge to 80% in as little as 15-60 minutes, depending on the vehicle and charger power. The "rapid" nature of these chargers imposes extreme demands on the charging connector and cable, which must safely carry very high currents, often with active cooling, and withstand frequent, heavy use in public environments. JONHON is a world-class specialist in the interconnect technology at the heart of every rapid EV charger. Our charging guns and inlets are engineered to meet the unique challenges of high-power DC charging. With a dedicated team of over 400 engineers in our electric vehicle business unit, we design connectors that minimize electrical resistance through advanced contact materials and geometries, reducing heat generation. For ultra-rapid chargers (150kW+), JONHON has developed and patented connector systems incorporating liquid-cooled cables to manage the immense heat generated during sustained high-current transfer, ensuring safe and reliable operation. Safety is a non-negotiable feature of rapid charging. JONHON's connectors integrate sophisticated high voltage interlock (HVIL) circuits that constantly monitor the connection's integrity, ensuring the high-voltage circuit is only active when the gun is fully engaged and locked. This prevents arcing and protects users from electrical hazards. Our deep involvement in standards development, having helped formulate 7 IEC standards, ensures our rapid charging components are designed for global interoperability with all major vehicle protocols like CCS and CHAdeMO. The durability required for public rapid charging stations is also a core design focus, with JONHON's products engineered for tens of thousands of mating cycles in all weather conditions. For manufacturers of rapid EV charging equipment, integrating JONHON's proven, high-performance connectors is a direct path to superior product reliability and safety. Please contact our engineering team to discuss your requirements for rapid EV charger components.