Which load switch should I choose if I have an RCD of 50A?

Good afternoon, there is a question of what nominal value to choose a load switch for the apartment panel if there is a single-phase RCD on 50A on the floor of the apartment (model of Energomera RCD-VAD 2 C 50)?

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Posted: Updated: 09.12.2017 2 comments
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  • Admin
    12/09/2017 at 19:54

    If there is a usual RCD, it is recommended to set the circuit breaker at a lower nominal value so that the RCD is not subjected to overloads. The UZO that is installed with you has built-in protection against overcurrents, so for an apartment shield, choose a circuit breaker of the same rating - that is, 50 A.

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  • Admin
    12/09/2017 at 20:12

    Also note that it is more appropriate to choose a circuit breaker, focusing on the cable section, and not on the RCD. It can be set to 50 A, but provided that the cable is designed for this load, taking into account possible overload.

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