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Jaffar
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Join Date: Aug 2010
Posts: 2

Can We Use 3P+N LV Breaker For Single Phase Supply Load

09/27/2010 7:05 AM

Hello any one can explain me about the below issue

What will happen if i use 3P+N LV breaker (say 32Amps breaker) for single phase supply load. i mean thereby leaving two poles in the breaker empty and use single pole and nuetral for connecting the load.Is any impact on this or i need to do looping of other two pole of breaker and make to Single phase and neutral....Kindly advice me on this issue if anyone knows......
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TonyS
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Join Date: Aug 2010
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#1

Re: Can we use 3P+N LV breaker for single phase supply load

09/27/2010 7:38 AM

Oh No not again ! ! ! !

Use search CR4

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Sushma
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Join Date: Sep 2010
Location: Bangalore
Posts: 1
#2

Re: Can We Use 3P+N LV Breaker For Single Phase Supply Load

09/27/2010 8:52 AM

Yes you can use TPN breaker for single phase supply. The 3 phases should be linked.

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SHAMITHGAMBHIR1
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India - Member - design engineer Engineering Fields - Electrical Engineering - New Member United Arab Emirates - Member - New Member

Join Date: Feb 2010
Location: dubai,mangalore,bangalore.....
Posts: 145
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#3

Re: Can We Use 3P+N LV Breaker For Single Phase Supply Load

09/27/2010 8:55 AM

go wit looping

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anbarasu.pr
Associate

Join Date: May 2009
Location: INDIA
Posts: 25
#4

Re: Can We Use 3P+N LV Breaker For Single Phase Supply Load

09/27/2010 9:27 AM

Just connect all the three phases in series connection with the single phase supply available.
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Anonymous Poster
#5

Re: Can We Use 3P+N LV Breaker For Single Phase Supply Load

09/27/2010 10:10 AM

dear friend

it's ok but you know 3P is more expensive in compair with 1P breaker and needs more

space for instalation

thanks
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anbarasu.pr (1); Anonymous Poster (1); SHAMITHGAMBHIR1 (1); Sushma (1); TonyS (1)

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