UL 1558-1999 标准详情
- 标准号:UL 1558-1999
- 中文标题:有金属包壳的低压电路断路器开关设备
- 英文标题:(Metal-enclosed low-voltage power circuit breaker switchgear
- 标准类别:美国保险商实验室标准UL
- 发布日期:1999-02
1 SCOPE1.1 THESE REQUIREMENTS COVER METAL-ENCLOSED LOW-VOLTAGE POWER CIRCUIT BREAKER SWITCHGEAR ASSEMBLIES CONTAINING BUT NOT LIMITED TO SUCH DEVICES AS LOW-VOLTAGE POWER CIRCUIT BREAKERS, OTHER INTERRUPTING DEVICES, SWITCHES, CONTROL, INSTRUMENTATIO
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