1.1 本规范涵盖未使用的石油来源矿物绝缘油，用作新的和现有的电力和配电电气设备的绝缘和冷却介质，如变压器、调节器、电抗器、断路器、开关设备和附属设备。 1.2 本规范旨在定义一种矿物绝缘油，该矿物绝缘油在功能上可互换并与现有油混溶，与现有设备兼容并进行适当的现场维护， 2. 并且在其在电气设备中的应用中将令人满意地保持其功能特性。本规范仅适用于任何加工前收到的未使用的绝缘油。 1.3 以国际单位制表示的数值应视为标准。本标准不包括其他计量单位。 1.4 本国际标准是根据世界贸易组织技术性贸易壁垒委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认的标准化原则制定的。

1.1 This specification covers unused mineral insulating oil of petroleum origin for use as an insulating and cooling medium in new and existing power and distribution electrical apparatus, such as transformers, regulators, reactors, circuit breakers, switchgear, and attendant equipment. 1.2 This specification is intended to define a mineral insulating oil that is functionally interchangeable and miscible with existing oils, is compatible with existing apparatus and with appropriate field maintenance, 2 and will satisfactorily maintain its functional characteristics in its application in electrical equipment. This specification applies only to unused insulating oil as received prior to any processing. 1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.