
Specially designed for short circuit and overload protection in power distribution systems, with load current switching function, suitable for protecting power equipment in complex electrical networks and harsh environments
HRW11 12kV outdoor switch-fuse
Specially designed for short circuit and overload protection in power distribution systems, with load current switching function, suitable for protecting power equipment in complex electrical networks and harsh environments
Basic functions
Short Circuit Protection: The fuse melts quickly, cutting off fault current, protecting transformers and transmission lines.
Overload protection: achieving delayed melting due to the thermal accumulation effect of fuses, which meets the requirements of equipment overload.
Load current switching: Supports manual switching of rated load current (≤ 200A), easy to operate.
Operational Benefits
High Stability: The contact connecting part is specially treated to reduce the risk of poor contact and adapt to high temperature, humidity and sandstorms.
High Durability: Ceramic insulators are UV and salt spray resistant, and the melting tube is easy to replace, reducing operating and maintenance costs.
Typical Application Scenarios
Urban power grid: protection of distribution lines with large load fluctuations and high reliability requirements.
Industrial: Overcurrent protection for the high voltage side of transformers and small substations.
Harsh Environment: Protecting long distance power lines in coastal, plateau and windy areas.
HRW11 fuse, with its optimized arcing performance, high environmental adaptability and long service life, has become a key protective device in 12 kV distribution systems, meeting the high stability and safety requirements of modern power grids.