Low-voltage switchgear and controlgear. Contactors and motor-starters - electromechanical contactors and motor-starters (Incorporating corrigenda April 2020 and April 2021)
BS EN IEC 60947-4-1:2019
Document Status
Current
Supplement
Mechanical & Electrical Supplement
Series
BS EN IEC
Abstract
Applies to the types of equipment whose main contacts are intended to be connected to circuits the rated voltage of which does not exceed 1,000 V a.c. or 1,500 V d.c.
History
Supersedes BS EN 60947-4-1:2010+A1:2012. Identical to IEC 60947-4-1:2018, incorporating corrigenda April 2020 and April 2021. Amendment dated 31 May 2020 - Implementation of IEC corrigendum April 2020. Amendment dated 30 June 2021 - Implementation of IEC corrigendum April 2021
ISBN
9780539178029
Subjects
- Building services
- Switchgear, fuses
- Electrical services
Publisher History
With over 100 years of experience the British Standards Institute is recognised as the UK’s National standards body. Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards.
Information
NBS
NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.
Accuris
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