China Vib1 24kv Hv Vacuum Circuit Breaker Vcb with Embedded Poles, Find details about China Circuit Breaker, Breaker from Vib1 24kv Hv Vacuum Circuit Breaker Vcb with Embedded Poles
S.N | Name | Unit | Data | |||||||
1 | Rated voltage | kV | 24 | |||||||
2 | Rated current | A | 630 | 1250 | 1600 2000 2500 3150 | |||||
3 | Rated short circuit breaking current | kA | 20 | 25 | 20 | 25 | 31.5 | 40 | 31.5 | 40 |
4 | Rated peak withstand current | kA | 50 | 63 | 50 | 63 | 80 | 100 | 80 | 100 |
5 | Rated short time withstand current | kA | 20 | 25 | 20 | 25 | 31.5 | 40 | 31.5 | 40 |
6 | Rated short circuit making current | kA | 50 | 63 | 50 | 63 | 80 | 100 | 80 | 100 |
7 | Switching operations of short circuit current | Cycle | 50 | 30 | ||||||
8 | Rated operating sequence | O-0.3s-CO-180s-CO,O-180s-CO-180s-CO(40kA) | ||||||||
9 | Mechanical endurance | Cycle | 30000 | |||||||
10 | Rated breaking operations of rated current | Cycle | 20000 | |||||||
11 | Rated lighting impulse withstand voltage | kV | 75 | |||||||
12 | Rated power frequency withstand voltage | kV | 42 | |||||||
13 | Contact stroke | mm | 9±1 | |||||||
14 | Overtravel of contacts | mm | 3.5±0.5 | |||||||
15 | Closing speed | m/s | 0.4±0.8 | |||||||
16 | Main circuit resistance of each pole | μΩ | ≤40 | ≤45 | ≤40 | ≤35 | ||||
17 | Opening speed | m/s | 0.9~1.3 | |||||||
18 | Contact bouncing duration at closing operation | ms | ≤2 | |||||||
19 | Simultaneity of three phase closing and opening | ms | ≤2 | |||||||
20 | Closing time | ms | 35~70 | |||||||
21 | Opening time | ms | 20~50 | |||||||
22 | Distance between phases | mm | 150,210,275 | |||||||
23 | DC component | 50% |
Packaging details | Each one is wrapped with plastic film in non-solid wooden case. |
Delivery details | Within 15 days from the date of receiving signed sales confirmation by both parties. |