The Schneider Electric HVX12-31-06E is an indoor-type Vacuum Circuit Breaker (VCB) designed for medium voltage power distribution systems. As part of the HVX series, it complies with IEC 62271-100 standards and is engineered for primary distribution networks up to 12 kV. The model features a 31.5 kA short-circuit breaking capacity with a rated current of 630 A