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schandra
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Join Date: Sep 2010
Posts: 2

How Many mmsq Aluminium 4 Core for 60 KVA 3phase 400V 50 Hz

09/18/2010 9:50 AM

I need to connect a 60 KVA load to source of 400V 3phase about 20 mts away by a four core aluminium unarmoured cable open to air. Ambient temp. reaches to a max. of 50 degree celcius. How many sqmm cable should be used?
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TonyS
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Join Date: Aug 2010
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#1

Re: How Many mmsq Aluminium 4 Core for 60 KVA 3phase 400V 50 Hz

09/18/2010 2:16 PM

Have you looked in the ratings table? The answers in them!

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BB Raina
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Join Date: Jun 2010
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#2

Re: How Many mmsq Aluminium 4 Core for 60 KVA 3phase 400V 50 Hz

09/21/2010 2:12 AM

Minimum 95 mm2, if derating factor on proximity with other cables is considered. If it is to be laid alone with no possibility of other cables being laid with it in future, then you may go for 70 mm2. Check the cable catalogue also.

BB Raina
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schandra
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#3
In reply to #2

Re: How Many mmsq Aluminium 4 Core for 60 KVA 3phase 400V 50 Hz

09/21/2010 5:01 AM

Thanks.
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