本标准适用于为室内和室外设计的交流（ac）开关设备 在电压高于1000 V的系统上，安装和运行频率不超过60 Hz。 本标准通过对本标准IEEE Std C37的规范性引用应用于相关设备标准中。100.1，以章节或条款为基础。本标准附录A提供了应用建议。 将本标准作为规范性参考纳入本标准并不意味着本标准中的所有要求均作为默认要求适用。如果没有规范性参考文件，则本标准仅被视为信息性标准。如果要求有冲突，应以相关设备标准的要求为准。

This standard applies to alternating current (ac) switchgear, designed for both indoor and outdoor installation and for operation at service frequencies up to and including 60 Hz on systems having voltages above 1000 V. This standard is applied in relevant equipment standards by a normative reference to this standard, IEEE Std C37.100.1, on a section or clause-by-clause basis. Annex A of this standard provides recommendations for its application. The inclusion of this standard as a normative reference shall not imply that all of the requirements contained herein apply as a default. In the absence of a normative reference, this standard shall be considered informative only. In case of a conflict in requirements, the requirements of the relevant equipment standard shall prevail.