British Standards Institution

Sector: Manufacturing

Overview: Under the direction of the Standards Policy and Strategy Committee, is responsible for standards in the field of Insulation Co-ordination for low voltage equipment and for providing the UK input into the work of IEC/TC109.

Committee standards activity

In Progress (1)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS EN IEC 60664-1:2020/A1	BS EN 60664-1:2020/A1 Insulation coordination for equipment within low-voltage supply systems. Part 1: Principles, requirements and tests Categories: Insulation systems Comment resolution begins : 2025-03-20	Comment resolution

Published (5)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD IEC/TR 60664-2-1:2011	Insulation coordination for equipment within low-voltage systems. Application guide. Explanation of the application of the IEC 60664 series, dimensioning examples and dielectric testing Categories: Insulation systems Published standard begins : 2011-05-09	Published standard
BS EN 60664-4:2006	Insulation coordination for equipment within low-voltage systems. Consideration of high-frequency voltage stress Categories: Insulation systems Published standard begins : 2006-04-18	Published standard
BS EN 60664-3:2017	Insulation coordination for equipment within low-voltage systems. Use of coating, potting or moulding for protection against pollution Categories: Insulation systems Published standard begins : 2017-10-18	Published standard
BS EN 60664-1:2003	BSEN60664-1 : 2003 Insulation coordination for equipment within low-voltage systems. Part 1: Principles, requirements and tests Categories: Insulation \| Insulation systems \| Electrical apparatus. Explosive atmospheres Published standard begins : 2003-05-28	Published standard
AMD 14806	BSEN60664-1 : 2003 Insulation coordination for equipment within low-voltage systems -. Part 1: Principles, requirements and tests Categories: Insulation \| Insulation systems Published standard begins : 2003-10-22	Published standard

Withdrawn (8)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD IEC/TS 62993:2017	Guidance for determination of clearances, creepage distances and requirements for solid insulation for equipment with a rated voltage above 1 000 V AC and 1 500 V DC, and up to 2 000 V AC and 3 000 V DC Categories: Insulation systems Withdrawn begins : 2018-07-02	Withdrawn
PD IEC/TR 63040:2016	Guidance on clearances and creepage distances in particular for distances equal to or less than 2 mm. Test results of research on influencing parameters Categories: Insulation systems Withdrawn begins : 2019-02-08	Withdrawn
BS EN IEC 60664-1:2020	Insulation coordination for equipment within low-voltage supply systems. Principles, requirements and tests Categories: Insulation systems Withdrawn begins : 2020-12-16	Withdrawn
BS EN 60664-5:2003	Insulation coordination for equipment within low-voltage systems. A comprehensive method for determining clearances and creepage distances equal to or less than 2 mm Categories: Insulation systems Withdrawn begins : 2007-12-14	Withdrawn
BS EN 60664-3:2003+A1:2010	Insulation coordination for equipment within low-voltage systems. Use of coating, potting or moulding for protection against pollution Categories: Insulation systems Withdrawn begins : 2011-04-15	Withdrawn
BS EN 60664-3:2003	Insulation coordination for equipment within low-voltage systems. Use of coating, potting or moulding for protection against pollution Categories: Insulation systems Withdrawn begins : 2010-08-05	Withdrawn
BS EN 60664-1:2007	Insulation coordination for equipment within low-voltage systems. Principles, requirements and tests Categories: Insulation systems Withdrawn begins : 2020-07-27	Withdrawn
BS 7822-1:1995, IEC 60664-1:1992	Insulation coordination for equipment within low-voltage systems. Principles, requirements and tests Categories: Electrical insulation. General \| Insulation systems Withdrawn begins : 2006-05-05	Withdrawn

Standards Development

GEL/109 - Insulation co-ordination for low voltage equipment

Committee standards activity