ZN28-12 Indoor High Voltage Vacuum Circuit Breaker

ZN28-12 series vacuum circuit breakers are high voltage indoor switchgear with rated voltage of 12KV and three-phase AC 50Hz. This product complies with the GBI984-89 standard. The overall structure of this product is two forms: the switch body and the operating mechanism are installed as one, the switch body and the operating mechanism are installed as one, and the switch body and the operating mechanism are installed separately. The integrated structure is the basic type of ZN28-12. The split structure is the ZN28A-12 type, which is suitable for various fixed switch cabinets, such as GG-1A(Z), XGN2A10(Z), etc. This product can be equipped with CDI7, CDIOA DC electromagnetic operating mechanisms and CTI7, CTI9 spring energy storage operating mechanisms.