China Vcb Sales of High-Quality Outdoor High-Voltage Vacuum Circuit Breaker Switch 12kv Withdrawable Complete Set Switchgear PT CT Handcart for Switchgear, Find details about China Vacuum Circuit Breaker, Vcb from Vcb Sales of High-Quality Outdoor High-Voltage Vacuum Circuit Breaker Switch 12kv Withdrawable Complete Set Switchgear PT CT Handcart for Switchgear
NO. | Item | Units | Technical parameters | ||
1 | Rated voltage | KV | 12 | ||
2 | Rated short-duration power frequency withstand voltage | 42/48(Interphase, ground/fracture) | |||
3 | Rated lightning impulse withstand voltage | 42/48(Interphase, ground/fracture) | |||
4 | Rated frequency | Hz | 50 | ||
5 | Rated current | A | 630 1250 | 630 1250 1600 2000 2500 3150 | 630 1250 1600 2000 2500 3150 |
6 | Rated short-circuit breaking current | KA | 20/25 | 31.5 | 40 |
7 | Rated short-time withstand voltage | 20/25 | 31.5 | 40 | |
8 | Rated short circuit duration | S | 4 | ||
9 | Rated peak withstand current | KA | 50/63 | 80 | 100 |
10 | Rated short circuit closing current | 50/63 | 80 | 100 | |
11 | Secondary circuit power frequency withstand voltage (1min) | 2000 | |||
12 | Rated single / back to back capacitor group breaking current | A | 630/400(40kA:800/400) | ||
13 | Rated capacitor bank closing current | 12.5 (frequency is not greater than) | |||
14 | Mechanical life | KA | 20000 | ||
15 | Rated current breaking times (electrical life) | 20000 | |||
16 | Rated short circuit current breaking times | times | 50(40KA≤30) | ||
17 | Dynamic and static contacts allow wear cumulative thickness | mm | 3 | ||
18 | Energy storage time | s | ≤10 | ||
19 | Contact opening distance | mm | 11±1 | ||
20 | Overtravel | 3.5±0.5 | |||
21 | Contact closing bounce time | ms | ≤2(40KA≤3) | ||
22 | Three-phase split/closed period | ≤2 | |||
23 | Average opening speed (contacts are separated by -8mm) | m/s | 1.2±0.2 | ||
24 | Main conductive loop resistance | 0.6±0.2 | |||
25 | Main conductive loop resistance | μΩ | ≤50(630A)≤45(1250A) ≤40 (1600,2000A)≤35 (2500A or more) | ||
26 | Rated operation sequence | 0-0.3s-Co-180s-Co |
NO. | Items | Unit | Value | ||||
1 | Rated voltage | KV | 40.5 | ||||
2 | Rated Current | A | 1600 | 2000 | |||
3 | Rated short circuit breaking current | KA | 20 | 25 | 31.5 | ||
4 | Rated short-circuit current (peak) | 50 | 63 | 80 | |||
5 | Rated short (heat stable) current | 20 | 25 | 31.5 | |||
6 | Rated peak withstand (dynamic stability) current | 50 | 63 | 80 | |||
7 | Rated short circuit duration | S | 4 | ||||
8 | Rated insulation level | 1 min power frequency withstand voltage | Dry | KV | 95 | ||
Wet | 80 | ||||||
Lightning impulse withstand voltage (peak) | 185 | ||||||
9 | Rated operating sequence | Times | 20 | ||||
10 | Rated short-circuit current breaking times | ms | ≤80 | ||||
11 | Full-time off (with spring operating mechanism) | o-0.3s-co-180s-co | |||||
12 | Mechanical life | 10000 | |||||
13 | Ratod operating voltago | AC110,220;DC110,220 | |||||
14 | Contact opening distance | 20 | |||||
15 | Contact overtravel | 5±1 | |||||
16 | Bounce time | ≤5 | |||||
17 | DC resistance per phase circuit | ≤120 | |||||
18 | Circuit Breaker Dimensions (L x W x H) | 2460x2400x500 | |||||
19 | Circuit breaker with a total mass of body | 1100 |