Bussmann DFJ-40 - Class J Time-Delay Fuse 40A (200kA Interrupting Rating)

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Regular price $67.87
Regular price $200.49 Sale price $67.87
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Bussmann DFJ-40 is a Class J time-delay fuse designed for branch circuit and feeder protection in industrial electrical systems. It features a 600V AC voltage rating with a 40A current rating and provides high interrupting capacity of 200kA at 600V AC. The fuse construction utilizes a single-barrel design measuring 2-3/8 inches in length and weighs 5 lb, engineered for reliable performance in demanding environments. It complies with multiple industry standards including UL, CSA, and CE certifications with Class J classification. Typical applications include motor circuit protection, transformer protection, and industrial power distribution systems where selective coordination and time-delay characteristics are required.

Key Features & Specifications
  • Type: Class J time-delay fuse, single barrel construction
  • Voltage Rating: 600V AC
  • Current Rating: 40A
  • Dimensions: 2-3/8 inches length
  • Standards: UL (Guide JDDZ, File E4273), CSA (Class 1422-02, File 53787), CE, 248-8
  • Applications: Motor circuit protection, transformer protection, industrial power distribution
  • Class Rating: J
  • Barrels: 1
  • AIC rating: 200kA@600V
  • Certification: CE, 248-8, Class J, UL, Guide JDDZ, File E4273, CSA, Class 1422-02, File 53787
  • Weight: 5 lb


Product Identification
  • UPC: 051712653343
  • GTIN: 00051712653343
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