VBI-12 Indoor High Voltage Vacuum Circuit Breaker
Description:
VBI-12 Indoor High Voltage Vacuum Circuit Breaker is three-phase AC 50Hz,Rated voltage of 12KV indoor device,For industrial and mining enterprises, power plants and substations as electrical equipment control and protection purposes, and for frequent operation of the place.
- Product Description
VBI-12KV VACUUM CIRCUIT BREAKER
Summary
VBI-12 Indoor High Voltage Vacuum Circuit Breaker is three-phase AC 50Hz,Rated voltage of 12KV indoor device,For industrial and mining enterprises, power plants and substations as electrical equipment control and protection purposes, and for frequent operation of the place.
Main Technical Specification
NO. | Name | Unit | Data | |
1 | Rated voltage | KV | 12 | |
2 | Rated insulation level | 1min Power frequency withstand voltage | 42 | |
Rated lightning impulse withstand voltage | 75 | |||
3 | Rated current | A | 630 1250 2000 3150 | |
4 | Rated short circuit breaking current | KA | 20 25 31.5 40 | |
5 | Rated short-circuit opening and closing current (peak) | 50 63 80 100 | ||
6 | Rated dynamic current (peak) | 50 63 80 100 | ||
7 | Rated thermal stability current (rms) | 20 25 31.5 40 | ||
8 | Rated short circuit current breaking times | time | 50 20 | |
9 | Rated thermal stability time | S | 4 | |
10 | Rated operating sequence | / | O-0.3S-CO-180S-CO | |
11 | Mechanical life | time | 10000 | |
12 | Rated single capacitor bank breaking current | A | 630 | |
13 | Rated back to back capacitor bank breaking current | 400 |
VBI-C side mounted vacuum circuit breaker
Our Advantages:
1, We are specialized in sales of high-voltage electrical insulation products.
2, Strict quality control and excellent after-sales service.
3. Experienced staffs answer all of your question in fluent English.
3. Customized design is available. OME&ODM are welcomed.
4. Exclusive and unique solution can be provided to our customer by our well-trained and professional engineers and staffs.