Bussmann FRS-R-300 - RK5 Class Time-Delay Fuse 300A (200kA AIC @600V)

Bussmann FRS-R-300 is a time-delay, current-limiting fuse designed for comprehensive circuit protection in industrial power distribution systems. It features a 600V AC voltage rating with a 300A current rating, providing reliable overload and short-circuit protection. The fuse construction includes a single-barrel design with 2.34-inch diameter and 11-5/8-inch length, built to RK5 class specifications for high interrupting capacity. It meets UL 248-12, CSA Certification Class 1422-01, and CE standards, ensuring compliance with industrial safety requirements. Typical applications include motor branch circuits, feeders, and mains protection where selective coordination is essential.

Key Features & Specifications

• Type: Time-delay current-limiting fuse, RK5 class, single barrel construction
• Voltage Rating: 600V AC
• Current Rating: 300A
• Dimensions: 11-5/8 inch length, 2.34 inch diameter
• Standards: UL 248-12 Guide JDDZ, CSA Certification Class 1422-01, CE
• Applications: Motor branch circuits, feeders, mains protection
• AIC rating: 200kA@600V
• Class Rating: RK5
• Barrels: 1
• Weight: 1 lb
• Certification: CE, CSA Certification Class 1422-01, UL 248-12 Guide JDDZ
• Family: Fusetron
• Country of Origin: Mexico

Product Identification

• UPC: 051712508513
• GTIN: 00051712508513