UL 917 Ed. 5 标准详情
- 标准号:UL 917 Ed. 5
- 中文标题:时钟式开关
- 英文标题:Clock-operated Switches
- 标准类别:美国保险商实验室UL
- 发布日期:
Covers clock-operated switches rated 600 V or less, to be used in ordinary locations designed to close and open circuits to a load at predetermined intervals, and intended to be employed in accordance with the National Electrical Code, ANSI/NFPA 70.
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