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| Usage | Distribution system of metallurgy, mine, petro-chemistry and building, to control the equipments used eletricity |
| Rated current: | 800A, 630A, 400A, 200A |
Size: | 360mm*220mm*335mm |
| Electricity life: | AC-3: 25×104 times ; AC-4: 10×104 times |
| Mechanical life: | 30×104 times (J type); 100×104 times (D type) |
| Rated operating frequency: | 300times/h (J type); 1800times/h (D type) |
Rated operating voltage: | 110/220V (AC, DC). |
| Rated interrupted current in maximum: | 6400A, 5040A, 3200A, 1600A |
Rated Making current: | 8000A, 6300A, 4000A, 2000A |







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