AZL9-B residual current operated circuit breaker is suitable for AC 50Hz,rated voltage 240V for two poles,415V for four poles,rated current up to 63A, used to detect AC leakage,pulsating DC leakage, smooth DC leakage,compound wave leakage and high frequency leakage current up to 1kHz.When people come to electric shock or the leakage current of the circuit exceeds the specified value, it automatically cuts offthe faulty power supply in a very short time to protect the safety of people and electrical equipment.It can also be used for infrequent switching operations in normal condition.
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