Usage | Distribution system of metallurgy, mine, petro-chemistry and building, to control the equipments used eletricity |
Main Technical Parameters: | JCZ5-12J(D). |
Rated Voltage: | 12kV. |
Size: | 510mm*240mm*450mm |
Lightning impulse withstand voltage: | 75kV |
Electricity life: | AC-3: 25×104 times ; AC-4: 10×104 times |
Mechanical life: | 30×104 times (J type); 100×104 times (D type) |
Trip current of switch-off coil: | DC2.5A/DC1.5A |
Trip current of switch-off coil: | DC2.5A, DC1.5A |
Keeping current of holding coil: | DC0.8A/DC0.4A (800A, 630A); DC0.45A/DC0.22A (400A, 200A). |
Rated current: | 800A, 630A, 400A, 200A |
Rated turn-on current: | 6300A, 4000A, 2000A |
Rated interrupted current in maximum: | 5040A, 3200A, 1600A |