Bussmann FRN-R-300 - Fusetron Time-Delay Fuse 300A (20kA@250Vdc RK5 Class)

Bussmann FRN-R-300 is a Fusetron time-delay fuse designed for circuit protection in industrial electrical systems. It features a 300A current rating and 250V voltage rating with a 20kA interrupting capacity at 250V DC, housed in a compact 8-5/8" body with 2.38" diameter and RK5 class rating. The single-barrel construction meets CE, CSA (Class 1422-01), and UL 248-12 (Guide JDDZ) standards for reliable overcurrent protection in motor control centers, transformers, and feeder circuits.

Key Features & Specifications

• Type: Time-delay low-voltage fuse (FRN-R) with RK5 class rating
• Voltage Rating: 250V AC/DC
• Current Rating: 300A
• Dimensions: 8-5/8" length, 2.38" diameter
• Standards: CE, CSA Class 1422-01, UL 248-12 Guide JDDZ
• Applications: Motor controls, transformers, industrial feeders
• AIC rating: 20kA@250Vdc
• Class Rating: RK5
• Barrels: 1
• Weight: 1 lb
• Country of Origin: Mexico

Product Identification

• UPC: 051712507516
• GTIN: 00051712507516