General
The Lovadon VS1-12 Vacuum Circuit Breaker, made in Zhejiang, China, boasts a rated current range of 1250-3150A and operates at rated voltages of 12/17.5/24kV. It features a rated short-circuit breaking current of 31.5/40/50kA and can withstand currents up to 31.5/40/50kA for 4 seconds. The breaker has a rated short-circuit closing current peak of 63ka, 80ka, and 100ka, following a rated operating sequence of 0-0.3s-Co-180s-Co. With a mechanical life of 10000 cycles and a rated thermal stabilization time of 4s, it meets CE specifications, ensuring reliability and safety.
Technical Parameters
| Model Number | ZN63A / VS1-12 |
| Rated current | 1250-3150A |
| Rated voltage | 12/17.5/24kV |
| Rated Short-Circuit Breaking Current | 31.5/40/50kA |
| 4S Rated little withstand current | 31.5/40/50kA |
| Rated Short-Circuit Closing Current(Peak） | 63ka 80ka 100ka |
| Rated Operating Sequence | 0-0.3s-Co-180s-Co |
| Mechanical Life | 10000 Times |
| Rated Thermal Stabilization Time | 4s |
| Specification | CE |
| Type | Vaccum Circuit Breaker |
Yueqing Lovadon Electric Co., Ltd.
