Product model and meaning
- CJ-Corproate logo
- M-MCB
- D-Direct Current
- 7-Standard code
- 125-Rated frame current
Main Features and Technical Parameters
CJMD7-125 series DC miniature circuit breaker are high-performance DC miniature circuit breaker with a single-pole width of 27mm, rated current up to 125A, rated short-circuit breaking capacity up to 15kA, and various technical parameters leading in China.
Technical Data
| Standard |
IEC/EN60947-2 |
| Shell frame grade Current |
125A |
| Rated Insulation voltage Ui |
1000V |
| Rated Impulse Withstand Voltage Uimp |
6kV |
| Rated current |
32A, 40A, 50A, 63A,80A,100A,125A |
| Rated voltage |
DC250V(1P), 500V(2P), 800V(3P), 1000V(4P) |
| Electromagnetic trip characteristics |
10ln±20% |
| Number of poles |
1P,2P, 3P, 4P |
| Unipolar width |
27mm |
| lcu |
10kA(In≤100A), 15kA (In=125A) |
| lcs |
7.5kA (In≤100A),10kA(In=125A) |
| Reference temperature |
30ºC |
| Utilization Categpry |
A |
| Mechanical life |
20,000 Cycles |
| Electrical life |
2000 Cycles |
| Protection Degree |
IP20 |