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E DIN EN IEC 61557-18 VDE 0413-18:2026-04

Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC – Equipment for testing, measuring or monitoring of protective measures

Part 18: DC EV supply equipment insulation monitoring device

(IEC 85/965/CDV:2025); German and English version prEN IEC 61557-18:2025
Class/Status: Draft, valid
Released: 2026 -04   Published: 2026-03 -20
VDE Art. No.: 1400657
End of objection deadline: 2026-05-20

Note: You can pre-order this document (delivery subject to availability). Valid from 2026-04-01.

This document specifies the requirements for DC electric vehicle supply equipment insulation monitoring devices that provide insulation monitoring in DC EVSE in accordance with the requirements of IEC 61851-23, IEC 61851-23-1 and IEC 61851-23-3 for EV supply equipment with a rated maximum voltage at side B up to 1 500 V DC.