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RS ISO 5474-1: 2024
Electrically propelled road vehicles — Functional and safety requirements for power transfer between vehicle and external electric circuit — Part 1: General requirements for conductive power transfer

Abstract

This document specifies general requirements for conductive power transfer with a voltage up to 1 000 V
a.c. (alternative current) and up to 1 500 V d.c. (direct current) between electrically propelled road vehicles
and external electric circuits.
This document provides general requirements for conductive charging in modes 2, 3 and 4 according to
IEC 61851-1, and for reverse power transfer. This document does not provide requirements for mode 1. For
mode 4, this document provides requirements regarding the power transfer only with isolated DC EV supply
equipment according to IEC 61851-23.
NOTE External electric circuits are not part of the vehicle.
This document applies to the vehicle power supply circuits.
This document does not provide;
— requirements for simultaneous operation of multiple EV plugs or vehicle inlets, and
— requirements for power transfer while driving (electric road systems),
but they are under consideration.
This document does not provide:
— requirements for mopeds and motorcycles (which are specified in ISO 18246), and
— comprehensive safety information for manufacturing, maintenance and repair personnel.

General Information

Code	Classification	Theme	Pages	Publisher	Availability
RS ISO 5474-1: 2024	ADOPTED ISO STANDARDS	Electrical engineering	27	First Edition Jul 2026	Available