Bussmann JJN-40 - Class T Fast-Acting Fuse 40A (200kA@300V AIC Rating)

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Regular price $15.20
Regular price $100.80 Sale price $15.20
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Bussmann JJN-40 is a Class T low-voltage fuse designed for high-interrupting capacity circuit protection in industrial applications. It features a 40A current rating and 300V voltage rating with an impressive 200kA interrupting capacity at rated voltage. The fuse construction utilizes a single-barrel design with 0.56-inch diameter and compact 7/8-inch length, weighing 1 lb for robust performance. It complies with CE, UL-248-15 Guide JDDZ, and CSA Class 1422-02 standards, ensuring reliable operation in demanding environments. Typical applications include motor branch circuits, feeder circuits, and service entrance equipment where high fault current protection is critical.

Key Features & Specifications
  • Type: Class T fast-acting fuse, single barrel construction
  • Voltage Rating: 300V AC/DC
  • Current Rating: 40A
  • Dimensions: 7/8 in length, 0.56 in diameter
  • Standards: CE/UL-248-15 Guide JDDZ/CSA Class 1422-02
  • Applications: Industrial motor protection, feeder circuits, service entrance equipment
  • AIC rating: 200kA@300V
  • Class Rating: T
  • Barrels: 1
  • Weight: 1 lb
  • Family: T-Tron
  • Certification: CE/UL-248-15 Guide JDDZ/CSA Class 1422-02


Product Identification
  • UPC: 051712627405
  • GTIN: 00051712627405
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