3 ms·
Besides the ratio between the peak and effective value, you must also account for the standard tolerance of the nominal value. The actual maximum peak voltage
by adrian_b 1y ago
Besides the ratio between the peak and effective value, you must also account for the standard tolerance of the nominal value.
The actual maximum peak voltage for the European mains, is 230 V * 1.15 * sqrt(2), because of a 15% tolerance. That is about 375 V. With a small safety margin, the minimum voltage rating for components connected to 230 V a.k.a. 220 V is of 400 volt.