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As the global electric vehicle supply chain accelerates its shift toward Asia, more and more international OEMs and Tier 1 suppliers are sourcing high-voltage connector products from China to gain better cost efficiency and delivery flexibility. However, supplier capabilities in China vary widely. Inadequate qualification checks can lead to certification invalidation, unverified test data, delivery delays and potential safety risks. This article breaks down five core dimensions that must be verified when sourcing Chinese-made high-voltage connectors for global programs, helping procurement and quality teams screen qualified long-term partners.

As electric vehicle platforms roll out globally, OEMs often need to adapt high-voltage connection system designs for different regional markets. The three dominant standard systems — European LV215, North American USCAR, and Chinese GB/T — differ significantly in system positioning, test logic and parameter requirements. Misjudging these differences can lead to redundant development, certification delays and compliance risks. For engineering and procurement teams, clarifying the core gaps between the three standards is the first critical step to achieving global platform commonality and reducing development costs.

This article covers TP (twisted pair) bus wiring for KNX devices — gateways, actuators and sensors — and the PCB-level terminals inside them. It does not cover KNX IP or KNX RF topologies, where the physical layer is Ethernet or radio and no bus terminal is involved, nor the mains-side wiring of KNX actuators, which follows the installation rules for the load circuit rather than the bus.

This guide covers AC and DC charging connectors and cables for passenger EVs, and applies to home chargers, portable chargers and commercial charging stations in those four regions. It does not cover wireless charging, or the Megawatt Charging System (MCS) still under development for heavy trucks, where the connector geometry and communication protocol are governed separately.

On September 20, faculty and student representatives from Anhui University visited DEGSON.

To choose a DC EV charging connector, you need to answer three questions at the same time: which interface standard the target market uses, whether the rated current and voltage can cover the real charging power, and whether the reliability features such as protection rating and temperature monitoring meet the installation environment. In Europe, the mainstream is CCS2 (IEC 62196-3:2022).