Superseded by C37.48-1997 As a supplement to the IEEE guide for application of expulsion fuses in enclosures, guidelines are provided for the application and maintenance of liquid-submerged and in-air expulsion…
Directions and requirements are provided for the conversion of qualified power switchgear equipment. Examples such as low-voltage power circuit breakers; high-voltage outdoor and medium-voltage indoor drawout power circuit breakers; low-…
An aid to users to determine (1) the allowable continuous current class (ACCC), (2) the continuous load current capabilities of air switches under various conditions of ambient temperature, and (3)…
Guidance for users and manufacturers in the determination of (1) the Allowable Continuous Current Class (ACCC) designations, (2) the continuous load current-carrying capabilities of air switches under various conditions of…
Requirements for switches rated 72.5 kV and above, intended for use in metal-enclosed, gas-insulated substations, are presented. These switches are characterized by grounded, leak-tight metal enclosures that are filled with…
Service conditions and definitions for high-voltage fuses (above 1,000 V), distribution enclosed single-pole air switches, fuse disconnecting switches, and accessories for ac distribution systems are covered. These include enclosed, open,…
Service conditions and definitions for high-voltage fuses (above 1000 V), distribution enclosed single-pole air switches, fuse disconnecting switches, and accessories for ac distribution systems are covered. These include enclosed, open,…
