SAE J3068

SAE J3068
SAE International Recommended Practice, Electric Vehicle Power Transfer System Using a Three-Phase Capable Coupler
SAE J3068 DC connector (left) termed "J3068 DC8 No AC" and SAE J3068 AC connector (right) termed "J3068 AC6"
AbbreviationJ3068
StatusPublished
First publishedApril 24, 2018 (2018-04-24)
Latest versionSep 29, 2024
CommitteeTruck and Bus Electrical Systems Committee
WebsiteJ3068_202409

SAE J3068 "Electric Vehicle Power Transfer System Using a Three-Phase Capable Coupler" is a North American recommended practice published and maintained by SAE International. J3068 defines electrical connectors and a control protocol for charging electric vehicles. It has the formal title "SAE International Recommended Practice J3068". J3068 defines a system for conductive power transfer to an electric vehicle using a coupler capable of transferring single-phase and three-phase AC power as well as DC power, and defines a digital communication protocol for control. J3068 also specifies requirements for the vehicle inlet, supply equipment connector, mating housings and contacts.