| Customization: | Available |
|---|---|
| Breaking Capacity: | Low Voltage Circuit Breakers |
| Operation: | Electric Type |
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Construction and Feature
1.High rated short-circuit breaking capacity, all rated current levels can reach 10kA;
2.With red and green safety indicators, it has higher safety;
3.Equipped with an energy storage mechanism for operation, the contact quickly closes, overcoming the adverse effects caused by manual operation of the handle speed and greatly improving the product's service life;
4.The product can be used with various modular accessories, such as AX-1.
Overview
The CJM7-125-2 series small circuit breaker has important characteristics such as high rated current and high rated short-circuit breaking capacity, making it a high-performance small circuit breaker.This circuit breaker is mainly suitable for distribution lines with a rated working frequency of 50Hz/60Hz, a rated working voltage of AC240/400V, and a rated current of 125A. lt is used for overcurrent and short-circuit protection of power line facilities and important electrical equipmentin important buildinas or similar places, and can also be used for infrequent on-off operations. This circuit breaker is also suitable for isolation.Product standards: GB/T14048.2,IEC60947-2.
Technical Data
| Standard | GB/T 14048.2,IEC 60947-2 |
| Product shelf current | 125A |
| Rated insulation voltage Ui | 1000V |
| Rated impulse withstand Uimp voltage Uimp | 6kV |
| Rated current | 16A,20A,25A,32A,40A,50A,63A,80A,100A,125A |
| Rated voltage | 240/400V(1P,2P),400V(2P,3P,4P) |
| Rated frequency | 50/60Hz |
| Tripping curve | C:8In±20%,D:12In±20% |
| Number of poles | 1P,2P,3P,4P |
| Unipolar width | 27mm |
| Ultimate short-circuit breaking capacity lcu | 10kA |
| Operating short-circuit breaking capacity Ics | 7.5kA |
| Reference temperature | 30°C |
| Usage Category | A |
| Mechanical life | 20,000 cycles |
| Electrical lifespan | 6000 cycles |
Product tripping characteristics
| Rated current(A) |
Overload tripping characteristics | Instantaneous tripping characteristics(A) |
|
| 1.05ln agreed non tripping time H (cold state) | 1.30ln agreed tripping time H (hot state) | ||
| In≤125 | 1 | 1 | 10In±20% |
| In>125 | 2 | 2 | |
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