UL 1053-1999
接地故障测定设备和继电设备

UL Standard for Safety Ground-Fault Sensing and Relaying Equipment Sixth Edition

UL 1053-1999 发布历史

Covers ground-fault current sensing devices, relaying equipment, or combinations of ground-fault current sensing devices and relaying equipment or equivalent protection equipment for use in ordinary locations that will operate to cause a disconnecting device to open all ungrounded conductors at predetermined values of ground-fault current, in accordance with American National Standard National Electrical Code, ANSI/NFPA 70-1999. The proposal that is being circulated at this time is a clarification and reorganization of requirements in UL 1053.

UL 1053-1999由美国保险商实验所 US-UL 发布于 1999。

UL 1053-1999 在中国标准分类中归属于: K30 低压电器综合，在国际标准分类中归属于: 29.120.50 熔断器和其他过载保护装置。

UL 1053-1999的历代版本如下：

• 1994年07月 UL 1053-1994 接地故障测定设备和继电设备
• 1999年 UL 1053-1999 接地故障测定设备和继电设备
• 2015年08月05日 UL 1053-2015

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标准号

UL 1053-1999

发布日期

1999年

实施日期

废止日期

无

中国标准分类号

K30

国际标准分类号

29.120.50

发布单位

US-UL

被代替标准

UL 1053-1994

适用范围

Covers ground-fault current sensing devices, relaying equipment, or combinations of ground-fault current sensing devices and relaying equipment or equivalent protection equipment for use in ordinary locations that will operate to cause a disconnecting device to open all ungrounded conductors at predetermined values of ground-fault current, in accordance with American National Standard National Electrical Code, ANSI/NFPA 70-1999. The proposal that is being circulated at this time is a clarification and reorganization of requirements in UL 1053.

UL 1053-1999 中可能用到的仪器设备