Cooper Bussmann FRN-R-85 - Fusetron Time-Delay Fuse 85A (200kA@250V RK5 Class)

Cooper Bussmann FRN-R-85 is a Fusetron time-delay fuse designed for circuit protection in industrial electrical systems. Rated for 250V AC with a 85A current capacity, it features a 200kA interrupting rating at 250V for reliable fault protection. The compact RK5-class fuse measures 5" x 0.81" x 0.81" (127mm x 20.6mm x 20.6mm) with a 1.06" diameter barrel construction, weighing 1 lb for easy handling. UL-listed and compliant with industry standards, it's engineered for motor circuits, transformers, and power distribution equipment requiring time-delay protection characteristics.

Key Features & Specifications

• Type: Fusetron FRN-R time-delay fuse with single barrel construction
• Voltage Rating: 250V AC
• Current Rating: 85A
• Dimensions: 5" L x 0.81" W x 0.81" H (127mm x 20.6mm x 20.6mm)
• Standards: UL Listed, RK5 class
• Applications: Motor circuits, transformers, power distribution panels
• AIC rating: 200kA@250V
• Diameter: 1.06" (26.9mm)
• Weight: 1 lb (0.45kg)

Product Identification

• UPC: 051712152785
• GTIN: 00051712152785