Current
Mechanical & Electrical Supplement
Technical Bulletin
Guidance on selecting RCBOs, MCBs and MCCB, etc. for installation into consumer units, distribution boards or panel boards, conforming to BS EN 61439; covering installing devices of one manufacturer into assemblies of another, and installing new devices into an old assembly.
April 2019 edition. Supersedes the November 2015 edition. First published 2011; updated June 2013, November 2015 and April 2019.
BEAMA represents the electrotechnical industry for the UK, supporting manufacturers of electrical infrastructure products and systems from transmission through distribution to the environmental services in the built environment.
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.
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