low voltage switchgear and controlgear assemblies to bs ......low voltage switchgear and controlgear...

Guide to Forms of Separation

Low Voltage Switchgearand Controlgear Assembliesto BS EN 61439-2

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Contents

Preface 4

I ntroduction 5

Useful definitions 5

What are forms of separation 7

Fundamental objectives of separation 7

Legal obligations 8

Basics of separation 9

Main considerations 9

Detailed selection 10

Decision tree 13

Other considerations 14

I llustrations 16

Frequently asked questions 30

This guide was prepared with the involvement of BEAMA members.

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Guide to Forms of SeparationLow Voltage Switchgear and Controlgear Assemblies to BS EN 61439-2

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© 2011 Eaton CorporationAll Rights ReservedPrinted in UKForm No. PU08304001UJuly 2011 www.eaton.com/uk

Eaton’s Electrical Sectoris a global leader in powerdistribution, power quality,control and automation, andmonitoring products. Whencombined with Eaton’s full-scale engineering services,these products providecustomer-driven PowerChainManagement® solutions toserve the power systemneeds of the data center,industrial, institutional, publicsector, utility, commercial,residential, IT, mission critical,alternative energy and OEMmarkets worldwide.

PowerChain Managementsolutions help enterprisesachieve sustainable andcompetitive advantages throughproactive management of thepower system as a strategic,integrated asset throughout itslife cycle, resulting in enhancedsafety, greater reliability andenergy efficiency. For moreinformation, visitwww.eaton.com/electrical.

Eaton Electric Limited

Grimshaw LaneMiddletonManchester M24 1GQUnited KingdomCustomer Support CentreTel: +44 (0)8700 545 333Fax: +44 (0)8700 540 333email: ukcommorders@eaton.com

BEAMA Limited

Westminster Tower3 Albert EmbankmentLondon SE1 7SLTel: +44(0)20 7793 3000Fax: +44(0)20 7793 3003email: info@beama.org.ukwww.beama.org.uk