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Panel Classification

07/07/2010 12:18 PM
1)where i can find the classification of panels like frame-1,frame-2,frrame3 ? on which bases this classification has done?

frame-1:single panel encloser with main braker (MCCB)and other branch breaker(MCB)

usually this encloser are used for load centres

frame-2:this is multi encloser in which first encloser consist main air circuit breaker with common bus bar and in second encloser with same common bus bar with branch breakers(MCCB) usually this encloser are used for MDB

frrame3: drawn out type encloser this type of encloser are used sewage treatment plants and industrial purpose
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Doorman
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#1

Re: Panel Classification -frame-1,frame-2,frrame3

07/07/2010 1:32 PM

Certainly sounds like NEMA (National Electrical Manufacturers Association).

Their enclosure sheet here.

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electricalexpert65
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#2

Re: Panel Classification

07/09/2010 7:54 AM

Do you mean Form-1, Form-2, Form-3 & Form-4?
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