Overview
The M-IZM series intelligent universal circuit breaker is used for controlling and protecting low-voltage distribution networks Generally installed in low-voltage distribution cabinets as the main switch for overall protection Circuit breakers with a rated current of 1000A or less can also be used for infrequent starting of electric motors The technical performance of the product has reached the advanced level of similar products in the 1990s internationally

1. The rated AC current is 630-6300A;
2. Short circuit breaking capacity 80KA --120KA (effective value);
3. Rated working voltage capacity below AC690V;
4. It has 3 poles and 4 poles;
5. Drawer type and fixed type;
6. Can be installed with reverse wiring;
7. Multiple intelligent controllers, providing different functions;
8. It has sound insulation function and the symbol is ""
9. Implement IEC60947-2. GB14048.2-2001 standard;
10. This circuit breaker has obtained the national mandatory product certification "CCC" mark

M-IZM series LCD display intelligent universal circuit breaker model meaning



Normal working conditions and installation conditions
1. The ambient air temperature ranges from -5 ℃ to 40 ℃ (usually 45 ℃ for circuit breakers), and the average value over 24 hours does not exceed+35 ℃ (usually+40 ℃ for circuit breakers);
2. The altitude of the installation location shall not exceed 2000M;
3. The relative temperature of the air at the installation site shall not exceed 50% when the maximum temperature is+40 ℃; At lower temperatures, there can be higher relative temperatures, for example, reaching 90% at 20 ℃ Special measures should be taken for occasional condensation caused by temperature changes;
4. The pollution level is level 3;
5. The installation category for the main circuit of the circuit breaker and the undervoltage release coil, as well as the primary coil of the power transformer, is IV, while the installation category for other auxiliary circuits and control circuits is III
6. Marine and tropical circuit breakers can withstand the effects of humid air, salt spray, and mold;
7. Ship type circuit breakers can operate reliably under normal ship vibrations
8. The circuit breaker should be installed according to the installation requirements in the user manual The vertical tilt length of circuit breakers shall not exceed 5 °, and that of marine circuit breakers shall not exceed 22.5 °
9. The circuit breaker should be installed in a location that is free from explosion hazards, conductive dust, and is not capable of corroding metals or damaging insulation
10. The circuit breaker is installed in the cabinet compartment and equipped with a door frame for protection up to IP40

Main technical specifications of M-IZM series LCD display intelligent universal circuit breaker

M-IZM series LCD display intelligent universal circuit breaker