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What are the application areas of low-voltage circuit breakers? ( ) AA. AC 50Hz, rated voltage of 1200V and below; Circuits with a DC rated voltage of 1650V or less: B. 50Hz AC, rated voltage of 690V or less; Circuits with a DC rated voltage of 500V or less: C. 50Hz AC, rated voltage of 500V or less ; Circuits with a DC rated voltage of 500V or less. D. AC at 50Hz, with a rated voltage of 400V or less ; file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image002.jpgfile:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtmlclip1/01/clip_image004.jpgCircuits with a DC rated voltage of 400V or less
What are the application areas of low-voltage circuit breakers? (A) A. AC 50Hz, rated voltage of 1200V and below; Circuits with a DC rated voltage of 1650V or less. B. 50Hz AC, rated voltage of 690V or less: Circuits with a DC rated voltage of 500V or less. C. 50Hz AC, rated voltage of 500V or less ; Circuits with a DC rated voltage of 500V or less. D. AC at 50Hz, with a rated voltage of 400V or less ;
D. AC 50Hz, rated voltage 400V and below;
A. 50Hz AC, rated voltage of 1200V and below; Circuits with a DC rated voltage of 1650V and below
D. AC 50Hz, rated voltage 400V and below;