Bussmann NO.663-R - Class R Fuse Reducer 600V (CSA/UL Certified)

The Bussmann NO.663-R is a Class R fuse reducer designed to provide reliable circuit protection in industrial electrical systems. This 600V-rated component features a compact NO-R configuration with dimensions of 2.6 inches in length, 1.4 inches in height, and 1.8 inches in width, weighing 1 lb for straightforward integration into existing fuse assemblies. It carries both CSA certification (CLR47235) and UL listing (E12853), ensuring compliance with North American safety standards for industrial applications. Manufactured by Eaton in Mexico, this reducer is specifically engineered for use in commercial and industrial power distribution systems requiring Class R fuse compatibility.

Key Features & Specifications

• Type: Class R fuse reducer, NO-R configuration
• Voltage Rating: 600V
• Dimensions: 2.6" L × 1.4" H × 1.8" W
• Weight: 1 lb
• Standards: CSA Certified (CLR47235), UL Listed (E12853)
• Applications: Industrial power distribution systems
• Family: Class R
• Item Subcategory: Reducer
• Country of Origin: Mexico
• Manufacturer: Eaton

Product Identification

• UPC: 05171261373
• GTIN: 00051712613736