Eco-friendly Tank Multi-break Vacuum Circuit Breaker

SF6-free high-voltage solution

This circuit breaker employs an eco-friendly gas insulation configuration with a tank multi-break design to replace SF6 units in high-voltage applications, with insulation performance verified experimentally.

Du, Shuai · Cheng, Xian · Ge, Guowei · Chen, Hui · Longyu, Guo

Vacuum 2025

Advantages

Insulation configuration based on C4F7N/CO2 mixture enables SF6 replacement in high-voltage applications

Prototype construction and insulation test verified the feasibility of the insulation configuration method