Insulation coordination for equipment within low-voltage supply systems - Part 1: Principles, requirements and tests (IEC 60664-1:2020/COR1:2020)
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This part of IEC 60664 deals with insulation coordination for equipment having a rated voltage up to AC 1 000 V or DC 1 500 V connected to low-voltage supply systems.
IEC 60664-1:2020 - Identical
EN IEC 60664-1:2020/AC:2020-12 - Identical
IEC 60664-1:2020/COR1:2020 - Identical