Bussmann DFJ-400 - Class J Fuse 400A (200kA@600V Interrupt Rating)

Bussmann DFJ-400 is a Class J low-voltage fuse designed for high-interrupting capacity circuit protection in industrial applications. Rated for 600V AC/DC systems with a 400A current rating, it delivers 200kA interrupting capacity in a compact 7-1/8-inch single-barrel design weighing 2 lb. The fuse meets UL, CSA, and CE standards (File E4273/53787) with Class J compliance for reliable overcurrent protection in motor control centers, switchgear, and power distribution systems.

Key Features & Specifications

• Type: DFJ series Class J time-delay fuse with ceramic body
• Voltage Rating: 600V AC/DC
• Current Rating: 400A
• Dimensions: 7-1/8" length
• Standards: UL 248-8, CSA 1422-02, CE, Guide JDDZ
• Applications: Industrial power distribution, MCCs, switchgear
• AIC rating: 200kA@600V
• Class Rating: J
• Barrels: 1
• Weight: 2 lb
• Certification: File E4273 (UL), File 53787 (CSA)

Product Identification

• UPC: 051712653961
• GTIN: 00051712653961