How to connect a two-phase hob to a difavtomat?
Three phases. Cable to the hob 5x4. The power of the panel is 7.2 kW. How to connect a difavtomat if only 2 phases, zero and ground, are involved in the panel. I do not want to plant the panel in one phase. Is it possible to connect two phases to a 4-pole difavtomat Do not use the third phase contact. The fourth contact is zero. Will there be protection?
It should only be desirable to use those poles to one of which a test resistor is connected (for the TEST button to work).
The cable to the hob must be at least 6 square meters. mm why? See SP 31.110 of any year, clause 9.2 or more relevant SP 256.1325800.2016 p. 10.2. Although there is an opinion that this is only a recommendation, while in the standards the word “no less” should be read literally.
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