China Intelligent Controller of Indoor High Voltage Vacuum Circuit Breaker, Find details about China Vacuum Circuit Breaker, Intelligent Controller Vcb from Intelligent Controller of Indoor High Voltage Vacuum Circuit Breaker
Mainly technical parameters | |||
NO | Item | Units | parameters |
1 | Rated voltage | KV | 12 |
2 | Rated Frequency | HZ | 50 |
3 | Rated Current | A | 630.1250.1600.2000.3150 |
4 | Rated short-circuit breaking current | KA | 20 25 31.5 |
5 | Rated short-circuit closing current (peak) | KA | 50 63 80 |
6 | Rated short-circuit duration | S | 4 |
7 | Rated short-circuit breaking current breaking number | nos | 50s |
8 | Rated operating sequence | 0-0.3s-CO-180s-CO | |
9 | Rated lightning impulse withstand voltage | kv | 125 |
10 | 1min power frequency withstand voltage | KV | 65 |
11 | Closing time | ms | ≤ 70 |
12 | opening time | ms | ≤ 50 |
13 | Mechanical life | Times | 20000 |
14 | Rated Storage and operation voltage | V | AC DC 220/110 |
15 | Breaking life | ms | ≤ 80 |
16 | Storage life | s | ≤ 10 |
Adjust the parameters of mechanical properties: | |||
No | Item | Unit | Parameters |
1 | Contact distance | mm | 14±1 |
2 | Contact Over-travel | mm | 3.5±1 |
3 | Closing speed | m/s | 1.0±0.2 |
4 | Opening speed | m/s | 1.3±0.2 |
5 | Contact closing spring time | ms | ≤2 |
6 | Rated contact pressure | N | 20KA(2400±200) 25KA (2400±200) 31.5KA(3100±200) |
7 | Three phase closing opening asynchrony | ms | ≤2 |