... most advanced in the world of one of the small circuit breaker.3. The advanced production and calibration equipments and mature ... rated current from 1 to 63 amperes.5. Circuit breaker effective protection circuit overload, short circuit, owe pressure, leakage, etc.6. Installation is ... , manual operator, plug-in base, OF, MX, MN, SD, etc.7. The company has a perfect after-sales service, the product ...