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Anonymous Poster

What's the Difference Between TPN and 4P MCCB?

02/09/2009 4:03 AM

Can anybody explain me the difference between three phase and neutral and 4P MCCB used in the electrical system design?
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JohnDG
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#1

Re: What is the difference between TPN and 4P MCCB?

02/09/2009 5:31 AM

No difference.

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nascon
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#2

Re: What's the Difference Between TPN and 4P MCCB?

02/25/2009 1:21 AM

Can anybody explain me the difference between three phase and neutral and 4P MCCB used in the electrical system design?

MCCB :- THREE PHASE & NEUTRAL MCCB ARE USED TO TERMINATE 3 PHASE , 4WIRE CONNECTION WHERE NEUTRAL NEEDS TO BE CONTIONUOS , THREE POLE MCCB WITH CONTINIOUS NEUTRAL LINK, THE MAKING AND BREAKING DURING OPERATION IS OF 3 POLE I.E EACH PHASE ARE MAKING AND BREAKING AND NEUTRAL BEING SOLID LINK NEED NOT CUT.

4 POLE MCCB , ALL 4 POLE ARE MAKING AND BREAKING DURING OPERTAION , 3 PHASE AND NEUTRAL , WHERE ALONG WITH PHASE, NEUTRAL NEEDS TO BE OPERATED FOR MAKING AND BREAKING.
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Anonymous Poster
#3
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Re: What's the Difference Between TPN and 4P MCCB?

03/23/2009 5:38 AM

Please Guide me Application of TPN & 4P MCCB. Where We have to use.
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PWSlack
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#4
In reply to #3

Re: What's the Difference Between TPN and 4P MCCB?

04/17/2023 11:21 AM

Any national electrical standard. British Standard 7671 is an example. The <...We...> is best advised to use the one applicable to the country of installation.

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