本标准中的术语和定义旨在涵盖IEEE C37电力开关设备标准清单范围内的产品，适用于高压断路器（1000 Vac以上和3200 Vdc以上）和重合器及其他配电设备（1000 Vac以上至38000 Vac以上），主要用于发电、输电、配电、，以及电力转换。对于本标准中未定义的术语，请参考IEEE Std C37中的定义。20.10申请。

The terms and definitions in the standard are intended to encompass the products within the scope of the IEEE C37 list of power switchgear standards for high-voltage circuit breakers (above 1000 Vac and 3200 Vdc) and for reclosers and other distribution equipment (above 1000 Vac to 38,000 Vac) as used primarily in connection with generation, transmission, distribution, and conversion of electric power. For terms not defined within this standard, the definitions within IEEE Std C37.20.10 apply.