Voltage Interrupter is a professional power safety device that is used to quickly cut off the voltage in the circuit when necessary to prevent equipment damage or safety accidents caused by abnormal current. It has the characteristics of fast response, high reliability and durability, and is a key component to ensure the stable operation of the power system.
Working Principle of Voltage Interrupter
Voltage Interrupter detects abnormal current or voltage changes in the circuit, triggers the internal breaking mechanism to quickly disconnect the circuit. Its core components use high insulation medium or vacuum environment to extinguish arcs, cut off fault current, and protect equipment and system safety. When the fault is eliminated, the circuit connection can be restored by manual or automatic operation.
Benefits of Voltage Interrupter
1. Quick response: Instantly cut off the fault current to protect the safety of equipment.
2. High reliability: Stable performance, adaptable to various complex power grid environments.
3. Precise control: Reduce the risk of misoperation and improve system operation efficiency.
4. Low maintenance requirements: Durable design, reducing operation and maintenance costs.
5. Widely applicable: Meet the needs of industry, power grid and new energy scenarios.
Hot Tags: voltage interrupter, China voltage interrupter manufacturers, suppliers, factory, VCB Interrupter, High Voltage Interrupter, Vacuum Interrupter For Outdoor Circuit Breaker, vacuum interrupter for recloser, Vacuum Circuit Breaker Interrupter, Bottle For Load Break Switch
Technical Parameters
| MAIN TECHNICAL DATA | ||
| Data | Unit | Value |
| Rated Voltage | kV | 12 |
| Rated Current | A | 630 |
| Rated Frequency | Hz | 50 |
| Rated Short-duration Withstand Voltage(1min) | kV | 48 |
| Rated Lightning Impulse Withstand Voltage | kV | 85 |
| Rated Short-circuit Breaking Current | kA | 25 |
| DC component of Rated Short-circuit Breaking Current | % | 50 |
| Rated Short-circuit Breaking Current Breaking Times | Times | 30 |
| Rated Peak Withstand Current | kA | 63 |
| Rated Short-circuit Making Current | kA | 63 |
| Rated Short-duration Withstand Current | kA | 25 |
| Rated Duration of Short-circuit | s | 4 |
| Rated Cable-charging Breaking Current | A | 25 |
| Rated single capacitor bank breaking current | A | 630 |
| Rated back to back capacitor bank breaking current | A | 400 |
| Mechanical Endurance | Times | 10000 |
| Contact Closing Force | N | 80±30 |
| Force Required to hold contacts open at full stroke | N | 120±40 |
| Circuit Resistance at the Lowest Rated Contact Force | μΩ | ≤25 |
| Contact Erosion Limit | mm | 3 |
| Internal Gas Pressure | Pa | ≤1.33x10-3 |
| Mass of Moving Parts | kg | ≤0.7 |
| Storage Life | Years | 20 |
| Rated Operaing Sequence | O-0.3s-CO-180s-CO | |
| Data for Matchable VCB | ||
| Contact Stroke | mm | 9±1 |
| Average Opening Speed | m/s | 1.1±0.2 |
| Average Closing Speed | m/s | 0.65±0.15 |
| Rated Contact Force | N | 2200±200 |
| Contact Initial Pressure | N | 1550±200 |
| Contact Closing Bouncing Duration | ms | ≤2 |
| Contact Opening and Closing Non-simultaneity | ms | ≤2 |
| Contact Opening Rebound Amplitude | mm | ≤2 |
