Bussmann DFJ-400 - Class J Time-Delay Fuse 400A (200kA AIC @600V)

Bussmann DFJ-400 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 400A current rating with a high 200kA interrupting capacity at 600V 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, CSA, and CE certifications with specific file references E4273 and 53787. Typical applications include motor branch circuits, feeder protection, and industrial control panels where coordinated protection and time-delay characteristics are required.

Key Features & Specifications

• Type: Class J time-delay fuse, single barrel construction
• Voltage Rating: 600V AC
• Current Rating: 400A
• Dimensions: 7-1/8 inches length
• Standards: UL Class J (File E4273), CSA Class 1422-02 (File 53787), CE, Guide JDDZ
• Applications: Motor branch circuits, feeder protection, industrial control panels
• AIC rating: 200kA@600V
• Class Rating: J
• Barrels: 1
• Weight: 2 lb
• Certification: UL, CSA, CE, 248-8, Class J, Guide JDDZ, Class 1422-02

Product Identification

• UPC: 051712653961
• GTIN: 00051712653961