UL1012主要讲什么？

fiou · 发表于 2020-4-9 15:45

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平凡 · 发表于 2020-4-10 13:40

These requirements cover portable, stationary, and fixed power units having an input rating of 600 volts or less, direct- and alternating- current, with at least one output not marked Class 2, and that are intended to be employed in ordinary locations in accordance with the National Electrical Code, ANSI/NFPA 70. 1.2 These requirements cover general purpose power supplies and power supplies for uses such as to supply some household appliances, school laboratories, cathodic protection equipment; power supply-battery charger combinations; and industrial equipment, including inverters, divided into two classes – those rated 10 kilovolt-amperes or less and those rated more than 10 kilovolt-amperes.

平凡 · 发表于 2020-4-10 13:41

These requirements cover portable, stationary, and fixed power units having an input rating of 600 volts or less, direct- and alternating- current, with at least one output not marked Class 2, and that are intended to be employed in ordinary locations in accordance with the National Electrical Code, ANSI/NFPA 70. 1.2 These requirements cover general purpose power supplies and power supplies for uses such as to supply some household appliances, school laboratories, cathodic protection equipment; power supply-battery charger combinations; and industrial equipment, including inverters, divided into two classes – those rated 10 kilovolt-amperes or less and those rated more than 10 kilovolt-amperes.

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