China 1.14kv Vacuum Interrupter for LV Vacuum Contactor, Find details about China Vacuum Interrupter, 1.14kv Vacuum Interrupter from 1.14kv Vacuum Interrupter for LV Vacuum Contactor
Parameter item | Unit | Data |
Rated voltage | kV | 1.14 |
Rated current | A | 400 |
Rated frequency | Hz | 50/60 |
Rated short-time power frequency withstand voltage(1 min) | kV | 10 |
Rated lightning impulse withstand voltage | kV | 16 |
Rated connecting current | A | 4000 |
Rated breaking current | A | 3200 |
Rated maximum sectional current | A | 4000 |
Rated minimum sectional current | A | 80 |
Rated short-time withstand current | A | 3200 |
Rated short-circuit duration | s | 4 |
Mechanical life | ten-thousand times | 100 |
Rated breaking time AC3 | ten-thousand times | 15 |
Rated breaking time AC4 | ten-thousand times | 6 |
Contact closing force due to bellows and atomsphere | N | 60±20 |
Force required to hold contact open at full stroke | N | 80±20 |
Circuit resistance at rated contact force | μΩ | ≤80 |
Contact limit erosion | mm | 2 |
Storage life | year | 20 |
Parameter item | Unit | Data |
Rated clearance between open contacts | mm | 2±0.2 |
Average opening speed | m/s | 0.6±0.1 |
Average closing speed | m/s | 0.3±0.1 |
Rated contact pressure | N | 80±20 |
Contact bouncing duration at closing operation | ms | ≤3 |
Closing and opening non-simultaneity of contacts | ms | ≤2 |
Rated contact stroke | mm | 1±0.2 |