Community College of Allegheny County OCS Security Camera System Pittsburgh, PA
1. Current-limitation curves for fuses with current-limiting characteristics.
1.5
MAINTENANCE MATERIAL SUBMITTALS
A. Furnish extra materials that match products installed and that are packaged with protective covering for storage and identified with labels describing contents. 1. Fuses: Equal to 5 percent of quantity installed for each size and type, but no fewer than one of each size and type.
1.6
FIELD CONDITIONS
A. Where ambient temperature to which fuses are directly exposed is less than 40 deg F (5 deg C) or more than 100 deg F (38 deg C), apply manufacturer's ambient temperature adjustment factors to fuse ratings.
PART 2 - PRODUCTS
2.1
MANUFACTURERS
A. Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1. Bussmann; Eaton, Electrical Sector. 2. Littelfuse, Inc. 3. Mersen USA. B. Source Limitations: Obtain fuses, for use within a specific product or circuit, from single source from single manufacturer.
2.2
CARTRIDGE FUSES
A. Characteristics: NEMA FU 1, current-limiting, nonrenewable cartridge fuses with voltage ratings consistent with circuit voltages. 1. Type RK-1: 50-V, zero- to 600-A rating, 200 kAIC. 2. Type RK-5: 250-V, zero- to 600-A rating, 200 kAIC. 3. Type J: 600-V, zero- to 600-A rating, 200 kAIC. 4. Type L: 600-V, 601- to 6000-A rating, 200 kAIC. B. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application. C. Comply with NEMA FU 1 for cartridge fuses.
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