What maximum voltage deviation does NEN 1010 (§313 / §525) prescribe at the connection point of a load in a low-voltage installation (nominal 230 V AC)?

Question

Accepted Answer

±10 % (207–253 V) — NEN 1010 §313 / §525 (in accordance with EN 50160): the maximum voltage deviation at the connection point of loads in a low-voltage installation is ±10 % of the nominal voltage. For 230 V AC this means a permissible range of 207 V to 253 V. The designer must choose the installation distribution (cable length, cross-section, circuit layout) so that the voltage drop across the installation respects this limit.

Answer

±5 % (218.5–241.5 V)

Answer

±10 % (207–253 V)

Answer

±4 % (220.8–239.2 V) for residential buildings and ±6 % for industry

Answer

±2 % (225.4–234.6 V) in all cases

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