DL/T 486-2021 in English

This standard provides specifications for high-voltage AC disconnecting switches and grounding switches. It outlines the requirements for design, materials, performance, and testing to ensure the reliability and safety of these electrical devices. The document includes details on the structural characteristics, operational parameters, and installation guidelines. It also specifies the procedures for testing and inspection to verify compliance with the established criteria. Additionally, it covers the marking and documentation necessary for the proper identification and use of the equipment. The standard aims to harmonize the technical specifications across the industry to facilitate interoperability and maintain consistent quality standards.