DNB1-100 mini circuit breaker is characterized in small size andpleasing appearance, light weight, favorable and reliableperformance, strong breaking capacity, rapid tripping, shell andparts made of highly fire retardant and impact resistant materialsand long service life. It’s mainly applied to overload andshort-circuit protection of AC 50Hz, 230V/400V single-pole circuitsand AC 50Hz, 400V two-, three- and four-pole circuits, and alsoapplied to non-frequent energizing and de-energizing of powereddevices in normal conditions and lighting circuits. This productcomplies with standard GB14048???2-2001 and IEC60947-2.