How to choose a circuit breaker when connecting a 7 kW hob?
Hello! I ask for your advice. I want to purchase an induction hob for ~ 7-7.4 kW. In the apartment from the builders, a separate line was laid from the difavtomat in the shield to the power single-phase outlet of the future plate with a VVGng 3x6 mm cable. Difavtomat stands at 25A (C25). Tell me, can I put such a panel or is it better to take a less powerful one (the developer says that the recommended power for AV is 5.5 kW)? Will the machine not be cut down? Or is it better to put on 32A, because the thickness of the cable allows?
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Hello! If the cable is exactly a cross section of 6 square meters. mm, then to protect this line you can put the machine (difavtomat) at a nominal current of 32 A. AB at 25 A - power up to 5.5 kW, and AB at 32 A - power up to 7 kW. That is, if you replace the difavtomat with a nominal value of 32 A, then you can choose a hob with a power of up to 7 kW, no more. But also take into account the load of the electrical wiring in general, so that if you install a higher nominal value difavtomat on this wiring line, you will not be limited in the operation of other electrical appliances in the apartment.