Published: 25 April 2022
Category: White Papers and technical guides
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Consumer units according to S EN IEC 61439-1 and BS EN 61439-3.
A consumer unit is defined in Part 2 of BS 7671 as: ‘A particular type of distribution board intended for operation by ordinary persons, comprising a type-tested co-ordinated assembly for the control and distribution of electrical energy, incorporating manual means of double-pole isolation on the incoming circuit(s) and an assembly of one or more protective devices, signalling and other devices proven during the type-test of the assembly as suitable for such use. This does not preclude the use of consumer units within non-domestic premises.
Voltimum
Consumer units according to S EN IEC 61439-1 and BS EN 61439-3.
Published: 25 April 2022 · Category: White Papers and technical guides
A consumer unit is defined in Part 2 of BS 7671 as: ‘A particular type of distribution board intended for operation by ordinary persons, comprising a type-tested co-ordinated assembly for the control and distribution of electrical energy, incorporating manual means of double-pole isolation on the incoming circuit(s) and an assembly of one or more protective devices, signalling and other devices proven during the type-test of the assembly as suitable for such use. This does not preclude the use of consumer units within non-domestic premises.
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Consumer Units www.voltimum.co.uk INTRODUCTION The consumer unit has been, and remains, the standard piece of equipment for distributing electrical energy within an installation. There has been much discussion about what a consumer unit is and how it should be installed. In this article I will consider what a consumer unit is, what it should contain, the risks associated with a consumer unit and the appropriate certification. WHAT IS A CONSUMER UNIT? A consumer unit is defined in Part 2 of BS 7671 as: ‘A particular type of distribution board intended for operation by ordinary persons, comprising a type-tested co-ordinated assembly for the control and distribution of electrical energy, incorporating manual means of double-pole isolation on the incoming circuit(s) and an assembly of one or more protective devices, signalling and other devices proven during the type-test of the assembly as suitable for such use. This does not preclude the use of consumer units within non-domestic premises. All consumer units (as defined) in the UK conform to the relevant parts of BS EN IEC 61439-1 and BS EN 61439-3. BS EN IEC 61439-1: 2021 Low-voltage switchgear and controlgear assemblies Part 1: General rules covers the general definitions, service conditions, construction requirements, technical characteristics, and verification requirements of such assemblies. BS EN 61439-3: 2012 (as amended) Low-voltage switchgear and controlgear assemblies Part 3: Distribution boards intended to be operated...
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