Is it possible to put an RCD on 50A, if the input circuit breaker is also on 50A?

Introductory machine 50A, and RCDs for a group of machines 50A and 30 milliamps, is this permissible?

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Posted: Updated: 22.10.2018 1 comment
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  • Admin
    10/22/2018 at 12:14

    Hello! Yes, it is permissible to set the RCD of the same rating as the circuit breaker at the input, but it is better to set the RCD to the rating higher, in your case it is 63A, so that when the machine overloads, it will work and the RCD will not fail.

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