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The breaker is mainly used in distribution network of AC50HZ or 60HZ, ratedvoltage up to 690V, rated working current up to 630A to distribute electric
power and to protect the line and the equipment from being damaged due to
overload, short circuit and under-voltage. It can be used for unfrequent motor
start and for motor overload, short circuit and under voltage protection.
Standard: IEC60947
