
NOMINAL VOLTAGES FOR LOW VOLTAGE PUBLIC ELECTRICITY SUPPLY SYSTEMS
出版:Danish Standards

專家解讀視頻
Pertains to: - a.c. transmission, distribution and utilization systems and equipment for use in such systems with standard frequencies 50 Hz and 60 Hz having a nominal voltage above 100 V; - a.c. and d.c. traction systems; - a.c. and d.c. equipment having nominal voltages below 120 V a.c. or below 750 V d.c.
HD 472 : S1 COR 2013 - Identical