NEMA C37.52
NEMA C3752 1974-JAN-01 Test Procedures for Low Voltage AC Power Crcut Protectors Used n Enclosures-Supersedes ANS C37521974
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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.