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Cheers
Adam- Hide quoted text -

- Show quoted text -

If each phase was taking 100Amps there would be no neutral current at
all.
A neutral current only appears when the phase currents are unbalanced.

Not if the OP is only using 230V appliances.

Please pay attention to what is written.

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Adam

I really hesitate to differ, but are you saying that, if each 230 V
appliance was taking 100A, there would be 300A in the neutral?