Bussmann FRN-R-4-1/2 - Time-Delay Fuse 4A 250V (RK5 Class, 200kA AIC)

The Bussmann FRN-R-4-1/2 is a time-delay, low-voltage fuse from the Fusetron family designed to provide reliable circuit protection for motor circuits and electrical distribution systems. It features a 4A current rating and 250V voltage rating with a high 200kA interrupting capacity at 250V AC. The fuse construction includes a single-barrel design with 0.56-inch diameter and 2-inch length, weighing 1 pound, featuring RK5 class rating for time-delay characteristics. It complies with UL 248-12 Guide JDDZ and CSA Certification Class 1422-01 standards with CE marking. This fuse is typically applied in industrial motor protection, transformer circuits, and power distribution equipment where time-delay protection is required.

Key Features & Specifications

• Type: Time-delay low-voltage fuse, single-barrel construction, RK5 class
• Voltage Rating: 250V AC
• Current Rating: 4A
• Dimensions: 2-inch length, 0.56-inch diameter
• Standards: UL 248-12 Guide JDDZ, CSA Certification Class 1422-01, CE
• Applications: Motor circuit protection, transformer protection, power distribution systems
• AIC rating: 200kA@250V
• 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: 051712507219
• GTIN: 00051712507219