JONHON HV (High-Voltage) connectors are a specialized product line engineered for the demanding electrical environments of electric vehicles (EVs) and their associated charging infrastructure. These connectors are the critical links that safely and reliably transmit high-voltage power between key systems within an EV, such as the battery pack, inverter, motor, air conditioning compressor, and on-board charger, as well as between the charging station and the vehicle's inlet. JONHON's expertise in this domain is extensive, built upon a foundation of over 400 engineers dedicated to our electric vehicle business unit and a robust portfolio of over 300 EV-related patents. Our HV connectors are designed to handle the rigorous demands of automotive applications, including high currents (ranging from tens to hundreds of amperes), high voltages (up to and beyond 1000V DC), and exposure to extreme temperatures, vibration, moisture, and chemicals. A key safety feature integrated into all JONHON HV connectors is the High Voltage Interlock Loop (HVIL). This circuit continuously monitors the connection integrity; if a connector is not fully seated, the HVIL is broken, signaling the system to deactivate the high-voltage supply, thereby protecting service personnel and occupants. Our connectors also feature advanced shielding for electromagnetic compatibility (EMC) to prevent interference with sensitive vehicle electronics. JONHON's active participation in formulating 7 IEC standards ensures our HV connectors meet global requirements for performance and safety. With a global footprint including a German subsidiary and tech centers in Korea and America, we provide local engineering support to help automotive OEMs and Tier 1 suppliers integrate our HV connectors into their next-generation electric platforms. For high-reliability, safe, and high-performance high-voltage interconnection, choose JONHON HV connectors. Please contact us to discuss your application.
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