NOA1 series Intelligent Air Circuit Breaker is extensively used as the main switch in the low voltage distribution switchboard of rated voltage of 400V and 690V, rated current of 630A to 6300A, 50HZ or 60HZ. Its function is to control and protect the electrical circuit from damage and prevent power equipments from harm of overload, under-voltage, short circuit and single phase earth etc. Provide with intelligent protecting function and precise selective protection, breaker can enhance the dependability of power supply and avoid unwanted power cut. It comply with IEC60947-2 standard.
Categories of Intelligent Air Circuit Breaker (ACB)
1. Our air circuit breaker can be of two installation types: fixed type and draw-out type
2. Number of poles: 3 pole and 4 pole
3. Operation type: manual operation, auto operation
4. Trip types: Intelligent controller, under voltage instant ( or time delay type) trip and shunt trip
5. Intelligent controller categories: L type(basic type), M type( Standard type), and H type ( communication type)