DC FUSES
All fuses used as overcurrent devices, which provide a point of connection between PV
arrays and collector boxes, must be dc rated. Fuse ratings for dc branch circuits,
depending on wire ampacities, are generally rated from 10 to 100 A. The dc-rated fuses
familiar to solar power contractors are manufactured by a number of companies such
as Bussman, Littlefuse, and Gould and can be purchased from electrical suppliers.
Various manufacturers identify the fuse voltage by special capital letter designations. The following are a sample of time-delay type fuse designations used by various manufacturers.
All fuses used as overcurrent devices, which provide a point of connection between PV
arrays and collector boxes, must be dc rated. Fuse ratings for dc branch circuits,
depending on wire ampacities, are generally rated from 10 to 100 A. The dc-rated fuses
familiar to solar power contractors are manufactured by a number of companies such
as Bussman, Littlefuse, and Gould and can be purchased from electrical suppliers.
Various manufacturers identify the fuse voltage by special capital letter designations. The following are a sample of time-delay type fuse designations used by various manufacturers.
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