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Mark1234567
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Join Date: Jul 2015
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Differences Between Switchgears and Switchboards

07/21/2015 9:52 AM

Hi Here in europe and middle east, we do not make any difference between switchgears and switchboards. However, I do beleive that a big difference between them exist in US standards. Was wondering if anyone can help me clearing the difference between such two items. Is MCC considered as switchboard? Thanking u in advance.
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SHOCKHISCAN
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#1

Re: Differences between switchgears and switchboards

07/21/2015 10:13 AM

"Is MCC considered as switchboard?" No.

Switchboards in the USA are normally mounted on a wall or in a cabinet/enclosure and consist of Medium Voltage and/or Low Voltage molded-case breakers and/or small control switches. Circuit protection in switchboards is normally provided by each individual circuit breaker.

Switchgear on the other hand consists of free-standing Medium Voltage and/or High Voltage large circuit breakers and/or large contactors. Circuit protection is provided by a combination of protective relaying and metering that is external to the breaker/contactor.

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#2

Re: Differences Between Switchgears and Switchboards

07/21/2015 1:14 PM

Switch board the enclosure the switch gear is mounted in.

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lyn
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#3

Re: Differences Between Switchgears and Switchboards

07/21/2015 7:56 PM

If you had used a search engine you could have gotten About 44,600 answers to the question.

Here is one:

Difference Between Switchgear and Switchboard | EEP

There are others.
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kvsridhar
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Re: Differences Between Switchgears and Switchboards

07/23/2015 5:08 AM

"Switchgear", IMHO, is a collective noun and encompasses all devices which do switching. "Switchgears" should be wrong. As does the word "Controlgear" cover contactors and such. In general, anything that ends with "...gear" (headgear, smartgear...etc) is collective I believe. Is my thinking right?

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