Bussmann DFJ-300 - Class J Time-Delay Fuse 300A (200kA AIC @600V)

Bussmann DFJ-300 is a Class J time-delay fuse designed for comprehensive circuit protection in industrial power distribution systems. It features a 600V AC voltage rating and 300A current rating with a high 200kA interrupting capacity at 600V AC for reliable fault protection. The fuse construction utilizes a single-barrel design measuring 7-1/8 inches in length and weighs 2 lb, engineered for durable performance in demanding environments. It complies with multiple industry standards including UL Class J, CSA Class 1422-02, and CE certifications, meeting rigorous safety requirements. Typical applications include motor branch circuit protection, feeder circuit protection, and industrial control panel applications where time-delay characteristics prevent nuisance tripping during motor starting currents.

Key Features & Specifications

• Type: Class J time-delay fuse, single-barrel construction
• Voltage Rating: 600V AC
• Current Rating: 300A
• Dimensions: 7-1/8 inches length
• Standards: UL Class J (File E4273, Guide JDDZ), CSA Class 1422-02 (File 53787), CE, 248-8
• Applications: Motor branch circuit protection, feeder circuits, industrial control panels
• AIC rating: 200kA@600V AC
• Class Rating: J
• Barrels: 1
• Weight: 2 lb
• Family: DFJ Series
• Country of Origin: Mexico

Product Identification

• UPC: 051712653497
• GTIN: 00051712653497