Which ANSI/IEEE standard addresses SF6 circuit breakers?

The ANSI/IEEE standard that addresses SF6 circuit breakers is C37.04. This standard specifically outlines the general requirements and test methods for circuit breakers, including those that use sulfur hexafluoride (SF6) as an insulating and quenching medium. SF6 circuit breakers are known for their excellent insulation properties and their ability to interrupt current in a compact design, making this standard crucial for ensuring the safe and reliable use of these devices in electrical systems.

This standard provides guidance on the performance testing and operational characteristics necessary for certification, thereby ensuring that manufacturers meet specific reliability and safety metrics associated with SF6 technology. Understanding this standard is important for professionals involved in the design, testing, and maintenance of circuit breakers to ensure compliance and effective operation within electrical infrastructures.