UFC 3-510-01 Foreign Voltages and Frequencies Guide, with Change 2  

Date: 
03-01-2005
Change / Revision Date: 
09-22-2009
Series: 
3 - DISCIPLINE-SPECIFIC CRITERIA
3-500: ELECTRICAL
Status: 
Active

This manual provides guidance required to identify the voltage and frequency standards of various foreign countries for both medium and low voltage systems. It also identifies the classes of equipment that are sensitive to voltage and frequency differences. Foreign countries around the world use different electrical standards for voltage and frequency than those of the United States. Some electrical equipment will operate properly at an electrical frequency of either 50 or 60 Hz. Equipment designed for 60 Hz that will not operate properly at 50 Hz is termed “50 Hz sensitive,” and equipment designed for 50 Hz that will not operate properly at 60 Hz is termed “60 Hz sensitive.”

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