This MCCB series circuit breaker is one of the products developed and manufactured with international advanced technology. Provide rated insulation voltage of 550V and 800V for AC 50/60Hz, rated working voltage AC 400V (or below), rated working current up to 1600A, for infrequent switching and starting of motors. The product complies with the IEC60947-2 standard.
As one type of low voltage circuit breaker, it is of great quality. You can search other circuit breaker if you have other requirements.