Isolated switching of voltages above 1 kV up to 52 kV and from 250 A up to 2,25 kA for equipment other than liquid-immersed transformers

This technical specification addresses the requirements for isolated removable connections designed for non-oil-filled equipment operating within a voltage range of 1 kV to 52 kV and a current range of 250 A to 2.25 kA. These connections are engineered to ensure reliable electrical continuity and mechanical integrity in power distribution systems where oil insulation is not utilized. The document outlines specific design criteria, performance tests, and safety considerations necessary for the proper functioning of such components in high voltage environments. It aligns with established European practices to facilitate interoperability and safety across different regions. By defining uniform technical parameters, the document supports the consistent manufacturing and application of electrical connectors used in infrastructure projects involving medium to high voltage transmission and distribution networks. Adherence to these guidelines helps maintain system stability and safety standards for electrical equipment that relies on alternative insulation methods. The scope covers the technical specifications required for manufacturing, testing, and verifying the quality of these isolated connection systems to ensure they meet rigorous operational demands.