Bussmann FRN-R-70 - Class RK5 Time-Delay Fuse 70A 250V (200kA AIC Rating)

The Bussmann FRN-R-70 is a Class RK5 time-delay fuse designed for comprehensive circuit protection in industrial power distribution systems, providing reliable overload and short-circuit protection for motors and transformers. It features a 70A current rating and 250V AC voltage rating with a high 200kA interrupting capacity at rated voltage. The fuse construction includes a single-barrel design measuring 1.06 inches in diameter with a 5-7/8 inch length and weighs 1 lb, engineered for durable performance in demanding environments. This Fusetron series fuse meets UL 248-12 standards under Guide JDDZ and carries CSA Certification Class 1422-01 along with CE marking for international compliance. Typical applications include motor branch circuit protection, transformer protection, and industrial control panel circuits where time-delay characteristics prevent nuisance tripping during motor starting currents.

Key Features & Specifications

• Type: Class RK5 time-delay fuse, single-barrel construction
• Voltage Rating: 250V AC
• Current Rating: 70A
• Dimensions: 1.06" diameter x 5-7/8" length
• Standards: UL 248-12 Guide JDDZ, CSA Certification Class 1422-01, CE
• Applications: Motor protection, transformer circuits, industrial power distribution
• AIC rating: 200kA@250V
• Class Rating: RK5
• Barrels: 1
• Weight: 1 lb
• Family: Fusetron
• Country of Origin: Mexico

Product Identification

• UPC: 051712507400
• GTIN: 00051712507400