12KV Recloser VCB Vacuum Circuit Breaker with SIM card remote control from JUCRO EleCTric
1. General
This vacuum circuit breaker(VCB) is three-phase AC 50Hz, rated voltage 12kV outdoor high-voltage switch equipment. It is mainly used to opening(closing) load current, overload current and short-circuit current. It is suitable to protect or control the city or village electrical power distribution system.
2. 窗体顶端
2 . Main technical parameter2.1Circuit breakers rated parameters
No. | Name | Unit | Value |
1 | Rated voltage | KV | 12 |
2 | The 1min rated power frequency withstand voltage | Phase to Phase, to Ground42 / Fracture 48 |
3 | Rated lightning impulse withstand voltage(peak) | Phase to Phase, to Ground42 / Fracture 48 |
4 | Rated current | A | 630 | 1250 |
5 | Rated frequency | Hz | 50 |
6 | Rated short circuit breaking current | KA | 12.5 16 20 | 25 |
7 | Rated short-circuit current (peak) | 31.5 40 50 | 63 |
8 | Rated peak withstand current | 31.5 40 50 | 63 |
9 | 4s rated short time withstand current | 12.5 16 20 | 25 |
10 | Rated operating sequence |
| O-0.3s-CO-180s-CO(Electric operation) |
11 | Closing time | ms | 30-60 |
12 | Opening time | 20-40 |
13 | Rated short circuit breaking current breaking times | times | 30 |
14 | Mechanical life | 10000 |
15 | Secondary circuit 1min power frequency withstand voltage | V | 2000 |
16 | Energy storage motor rated power | W | 40 |
17 | Energy storage motor rated voltage | V | DC220/110 |
18 | Rated closing operation voltage | DC220/110, AC220/110 |
19 | Rated switching operation voltage | DC220/110, AC220/110 |
20 | Electric energy storage time | S | ≤8 |
2.2The main technical parameters of the isolation switch
No. | Project | Unit | Parameter |
1 | Rated voltage | KV | 12 |
2 | Rated current | A | 630 |
3 | Frequency | Hz | 50 |
4 | 4s rated short time withstand current (rms) | KA | 16/20 |
5 | Rated peak withstand current | 40/50 |
6 | 1min power frequency withstand voltage | To ground, P to P | KV | 42 |
Fracture | 48 |
7 | Loop resistance (breaker panel between to isolation switch into the line of board) | μΩ | ≤120 |
8 | Three-phase closing of the knife center runout | mm | ≤2 |
9 | The three-phase knife points, closing bias over the same period | ≤2 |
10 | Conductive parts of the insulation isolation | ≥160 |
11 | Fracture open distance | ≥200 |
Structure
HVD32(ZW32)-12 The circuit breakers structure and dimensions
