This standard specifies the scope of application, terminology, product classification, technical requirements, test methods, inspection rules, signs and safety requirements of circuit breaker capacitors. This standard applies to circuit breaker capacitors connected in parallel to the fracture of AC high-voltage circuit breakers to improve voltage distribution and reduce the recovery voltage rise rate, hereinafter referred to as "capacitors". This standard does not apply to high voltage ceramic capacitors.
GB/T 4787-1996 history
2021GB/T 4787.1-2021 Grading capacitors for high-voltage alternating current circuit-breakers—Part 1: General
2010GB/T 4787-2010 Grading capacitors for high-voltage alternating current circuit-breakers