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See Chinese contents: GB/T 37404-2019 GB/T 37404-2019: Application guide of soft-start device for high-voltage motor
This Standard specifies terms and definitions, classification, parameters required for type selection calculation, starting scheme, bypass of soft-start device for high-voltage motor. This Standard is applicable to the soft-start device of which the rated working voltage is 3kV~10kV, the input frequency is 50Hz or 60Hz.
