IEEE C 37.13.1a-2010 附金属壳的低压电力断路器开关装置用专用开关装置.修改件1:对短路等级评定和测试要求的修订
Definite-purpose switching devices for use in metal-enclosed low-voltage power circuit breaker switchgear; Amendment 1: Revise short-circuit rating and test requirement
IEEE Standard for Definite-Purpose
Switching Devices for Use in Metal-
Enclosed Low-Voltage Power Circuit
Breaker Switchgear;
Amendment 1: Revise Short-Circuit
Rating and Test Requirement