These requirements cover enclosed industrial control equipment and associated components intended for starting, stopping, regulating, controlling, or protecting electric motors or other electrical loads including refrigeration equipment, having a-c voltage ratings in the range of 2.2 - 2.5 or 4.0 - 5.0 kV or 6.2 - 7.2 kV. These requirements cover equipment intended for use in ordinary locations in accordance with the National Electrical Code. These requirements, as modified by the Standard for Centrifugal Fire Pumps, NFPA 20, also cover Fire Pump Controllers.
Số hiệu tiêu chuẩn
ANSI/UL 347
Tên tiêu chuẩn
Standard for Safety for High Voltage Industrial Control Equipment
Ngày phát hành
2000-00-00
Từ khóa
Control equipment * Electric motors * High voltage * Industrial facilities * Industrial plants * Monitors
ANSI/UL 347
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