Which phase control relay and magnetic starter should I choose with a load of 5 kW 3 phases?
How to choose a phase control relay for a 3 phase network, for 5 kW?
And what amperage to take to it a magnetic starter?
And what amperage to take to it a magnetic starter?
And what's the difference which phase control relay? Take what is convenient for you in cost and functionality. For example, you can Novatek RNPP-302 (or any other), 3 phases and 5 kW is about 7 amperes of current. then the contactor must be with this or a large current. Some modular contactor KEAZ OptiDin MK63-2540-230AC is perfect, but when ordering, please specify that there must be a minimum of 3 CLOSING contacts (they are NO, they are normally open - this all means the same thing). It is designed for 25A, which is enough with a good margin.
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