Bussmann DFJ-40 - Class J Fuse 40A 600V (200kA AIC Rating)

Bussmann DFJ-40 is a Class J low-voltage fuse designed for high-performance circuit protection in industrial electrical systems. It features a 600V AC rating with a 40A current capacity and 200kA interrupting rating at 600V for reliable fault current interruption. The compact 2-3/8-inch single-barrel design with 5 lb weight provides durable protection in space-constrained applications. Certified to UL, CSA, and CE standards (File E4273/53787), it meets rigorous safety requirements for industrial power distribution. Typical applications include motor control centers, panelboards, and switchgear requiring Class J protection.

Key Features & Specifications

• Type: DFJ Series Class J time-delay fuse with single barrel construction
• Voltage Rating: 600V AC
• Current Rating: 40A
• Dimensions: 2-3/8 in length
• Standards: UL (File E4273), CSA (Class 1422-02, File 53787), CE, Guide JDDZ
• Applications: Industrial motor protection, switchgear, panelboards
• Class Rating: J
• AIC rating: 200kA@600V
• Weight: 5 lb
• Country of Origin: Mexico

Product Identification

• UPC: 051712653343
• GTIN: 00051712653343