A versatile electrical isolator switch designed for safe load disconnection in 12kV power systems, supporting current ratings from 200A to 630A. Engineered for durability, this high-voltage isolation switch features a robust double-break contact structure, ensuring reliable circuit isolation in substations, industrial grids, and renewable energy installations. Its manual rotary operation provides visible break status confirmation, enhancing maintenance safety. With corrosion-resistant insulators and a compact outdoor design , it withstands harsh environments while delivering stable performance. Ideal for transformer stations, mining plants, and distribution networks requiring a switch disconnector for overload protection and secure power management.