Circuit design

i=p/u · Mar 17, 2013

A guy asked me to install supply to 3 ph oven, as its few miles away I looked at same kind in another of shops , and it was installed on 32A breaker on 6mm. Anyway I got the rating plate sent to me by photo and I working out 2.5mm on 16A 3ph breaker, am I missing something... I could be but doubt it.

i=p/u · Mar 17, 2013

Also I could probably apply diversity but seems no need too if only asking for 2.5mm full load

telectrix · Mar 17, 2013

deleted.

Megavolt · Mar 17, 2013

Where's it say it's 3 phase

i=p/u · Mar 17, 2013

It doesn't ,but has 5 cables on the flex. And other ones I've seen have 3ph isolators so can do either, it's a cusine d France

telectrix · Mar 17, 2013

is it 230V 3 phase, though? bloody froggy gear.

Megavolt · Mar 17, 2013

You need the instructions as guessing is know good. Have you tried to find them on the net

i=p/u · Mar 17, 2013

Just push it down hill on its wheels and say haven't seen it

Megavolt · Mar 17, 2013

i=p/u said:
Just push it down hill on its wheels and say haven't seen it

You have lost me here bud

Engineer54 · Mar 17, 2013

telectrix said:
is it 230V 3 phase, though? bloody froggy gear.

Like many of the domestic ovens these days, there will be an adaptable terminal connection block, that caters for several different supply configurations. This 3 phase 230V requirement, just gets the phases linked out and supplied by a single phase supply, with of course larger conductors!! ...lol!!

Engineer54 · Mar 17, 2013

Elrick said:
Where's it say it's 3 phase

Where it shows T~ on the label above!!

i=p/u · Mar 17, 2013

Lol it's defo 3ph and has max of 10.2 kw.. So over 3 phases , 2.5mm on 16A tp breaker

telectrix · Mar 17, 2013

so, are you saying he should size his cable for 44A, E54?

happyhippy68 · Mar 17, 2013

Engineer54 said:
Like many of the domestic ovens these days, there will be an adaptable terminal connection block, that caters for several different supply configurations. This 3 phase 230V requirement, just gets the phases linked out and supplied by a single phase supply, with of course larger conductors!! ...lol!!

As Eng 54 says beware! Many European ovens are specified this way as they sometimes have single and 3 phase supplies available. You must follow the installation instructions depending on installation type and strap link them if you run on a single phase supply.

i=p/u · Mar 17, 2013

Yeah the flex on back is 10mm conductors but its 3 ph converted already. Does that we squiggle mean 3ph optional? Nice

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