E-Mobility charging modes
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IEC/EN 61851-1: CHARGING METHODS
The reference standard for EV charging stations is the IEC/EN 61851-1, which describes four charging modes:
Mode 1
Connection of the EV to the a.c. mains using domestic connectors up to 16 A, type A 30 mA RCD (Residual Current Device) protection in upstream.
Mode 2
Connection of the EV to the a.c. mains using domestic or industrial connectors up to 32 A, type A 30 mA RCD protection, control device on the cable (ICCB In-Cable Control Box).
Mode 3
Connection of the EV to the a.c. mains with dedicated connectors, type A 30 mA RCD protection, control device in the charging station.
Mode 4
Connection of the EV to the a.c. mains with off-board battery charger
Moreover, depending on the type of cable connection, there are three different possible cases:
Case A
EV connection to the a.c. mains using a supply cable and plug permanently attached to the EV.
Case B
EV connection to the a.c. mains using a detachable cable equipped with plug and socket.
Case C
EV connection to the a.c. mains using cable and socket permanently attached to the charging station.
IEC/EN 62196-1 AND IEC/EN 62196-2: MODE 3 CONNECTORS
The reference standards for Mode 3 connectors are the IEC/EN 62196-1 and 2, and they describe three different types of connection: