This standard covers the test procedures for enclosed low-voltage ac power circuit protectors. NOTE: In this standard@ the term ??circuit protector???? shall be considered to mean ??enclosed low-voltage ac power circuit pro- tector@?? unless qualified by other descriptive terms. ?
C37.52-1974由NEMA - National Electrical Manufacturers Association 发布于 1974-01-01,并于 2001-04-12 实施。
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