UL 547:1991被替代
Thermal Protectors For Motors
出版：Underwriters Laboratories
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基本信息
标准编号： UL 547:1991
标准类别：Standard
出版单位：Underwriters Laboratories
标准页数：0
标准简介
Cover protectors for direct current, single phase and polyphase alternating current motors rated 15 horsepower [11.19 kilowatts (kW)] or less, 600 volts or less, and 11 inch [280 millimeters (mm)] diameter or less.
替代本标准的新标准
