Nonrenewable Cartridge Fuses


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Nonrenewable Cartridge Fuses
Nonrenewable Cartridge Fuses39. Nonrenewable Cartridge Fuses (Underwriters Laboratories Inc.)UL listing covers cartridge-enclosed fuses of the nonrenewable type, rated 0–600 amp, 250 V, 0–1200 amp, 300 V, 0–6000 amp, 600 V. These fuses are intended for use on ac circuits only unless also marked with a dc voltage rating. These fuses are suitable for branch circuit and service overcurrent protection in accordance with the requirements of the National Electrical Code.Fuses designated as Class K1, K5, K9 (0–600 amp, 250 V, ac, or 600 V, ac) are classified as to interrupting capacity and in terms of maximum clearing ampere squared seconds and maximum peak let-through current. They incorporate dimensional features equivalent to, and are in…
Citation
Terrell Croft; Frederic P. Hartwell; Wilford I. Summers: American Electricians' Handbook, Sixteenth Edition. Nonrenewable Cartridge Fuses, Chapter (McGraw-Hill Professional, 2013), AccessEngineering Export