Can the ES K78-43 500V 50Hz 16mcf-10% 60 085 21 be replaced with the ES K78-43 250V 50Hz 20mcf-10% 60 085 21?
Answer from: Andrey Smirnov:
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No such capacitors are not compatible in terms of voltage 500V vs 250V is too big a gap. You can use a capacitor of higher capacity, for example, 16μF replaced with 20μF, provided the voltage is equal.