There are 7 rated item from clause 3.1.1 to clause 3.1.8 except for clause 3.1.3, such as rated voltage, rated voltage range, rated power input, rated power input range, rated current, rated frequency, rated frequency range. To summarize the intent of the standard, “rated” represents a set of parameters assigned to the appliance by the…
rated frequency range: frequency range assigned to the appliance by the manufacturer, expressed by its lower and upper limits. The rated frequency in the form of a range, generally 50-60 Hz, but all countries in the world have either 50 Hz or 60 Hz mains frequency, there is no intermediate frequency value, so the definition…
rated frequency: frequency assigned to the appliance by the manufacturer. In generally, the rated frequency is the standard utility frequency of the target market country at the time the product is designed. Since worldwide, there are only two utility frequencies, 50Hz and 60Hz, the value can only be 50Hz or 60Hz, or both 50 and…
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