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electrician4u

I have a customer who wants me to put in a Seimens hob. The rating is 10.8kW. he currently has a 32A supply installed from an old Wylex box-the type that takes fuses and Mcb's.this box is fed from a Bill distribution board on a 40A mcb.Can anyone suggest a make to replace the Bill MCB rated 63A?I've worked out the full load current to be 47A. According to the regs, I gather I only have to assume 10A+30% which means 21A. What if it's on full load, though? I don't want to connect to the existing 32A breaker if it's going to be tripping.Any advice please?
 

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Title
installing new hob
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Australia
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electrician4u,
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Geordie Spark,
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