Bussmannn FRN-R-4/10 - Class RK5 Fuse 250V/4A (200kA AIC)

Bussmannn FRN-R-4/10 is a Class RK5 time-delay fuse designed for circuit protection in industrial electrical systems. It features a 250V AC voltage rating and 4A current rating with a 200kA interrupting capacity, housed in a compact 0.56-inch diameter barrel construction measuring 2 inches in length. The fuse meets UL 248-12, CSA Class 1422-01, and CE standards, with its Fusetron design providing reliable overload and short-circuit protection for motor circuits, transformers, and power distribution equipment.

Key Features & Specifications

• Type: Time-delay fuse (Class RK5) with sand-filled ceramic body
• Voltage Rating: 250V AC
• Current Rating: 4A
• Dimensions: 2 in length x 0.56 in diameter
• Standards: UL 248-12, CSA Class 1422-01, CE
• Applications: Motor protection, transformers, power distribution
• Class Rating: RK5
• Barrels: 1
• AIC rating: 200kA@250V
• Weight: 1 lb
• Country of Origin: Mexico

Product Identification

• UPC: 051712507042
• GTIN: 00051712507042