| Main technical parameters: |
|
DM4 series magnetic field circuit breaker |
DM8 series magnetic field circuit breaker |
| Rated voltage (V) |
five hundred |
eight hundred |
five hundred |
eight hundred |
| Strong excitation voltage (V) |
one thousand two hundred and fifty |
one thousand and six hundred |
one thousand two hundred and fifty |
one thousand and six hundred |
| Main circuit withstand voltage (V) |
four thousand and two hundred |
| Rated current (A) |
1000, 1600, 2500, 4000 |
200, 400, 630, 800, 1000, 1600, 2500 |
| Breaking current (A) |
3000, 4800, 7500, 12000 |
400, 800, 1260, 1600, 2000, 3200, 5000 |
600, 1200, 1890, 2400, 3000, 4800, 7500 |
|
Building pressure capacity (Loop inductance 1H) |
>1500 |
>2500 (single fracture>1400) |
| Electrical lifespan (times) |
four hundred |
six hundred |
four hundred |
| Mechanical lifespan (times) |
five thousand |
seven thousand and five hundred |
| Closing operation action time (ms) |
<110 |
Electric motor closing |
| Excitation operation action time (ms) |
<135 |
<50 |