Cooper Bussmann JJN-400 Low Voltage T-Tron 300V 400A Fuse - Essential Electric Supply
Cooper Bussmann JJN-400 Low Voltage T-Tron 300V 400A Fuse - Essential Electric Supply

Eaton Bussmann JJN-400 - Class T Fuse 400A 300V (200kA AIC)

Bussmann
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Eaton Bussmann JJN-400 is a Class T low-voltage fuse designed for high-interrupting capacity protection in industrial power distribution circuits. It features a 400A current rating and a 300V AC voltage rating, providing a 200kA interrupting rating at 300V for reliable short-circuit protection. The fuse is constructed as a single-barrel, 1-inch diameter device with compact dimensions of 2.75" x 1" x 1" and a weight of 0.25 lb, built to the robust T-Tron family design. It complies with CE, UL 248-15 (Guide JDDZ), and CSA Class 1422-02 standards, ensuring suitability for demanding applications such as service entrance equipment, industrial control panels, and motor branch circuits.

Key Features & Specifications
  • Type: Class T, Low Voltage, Fast-Acting, Single Barrel Fuse
  • Voltage Rating: 300V AC
  • Current Rating: 400A
  • Dimensions: 2.75 in (L) x 1 in (H) x 1 in (W)
  • Standards: CE / UL 248-15 Guide JDDZ / CSA Class 1422-02
  • Applications: Service Entrance, Industrial Control Panels, Motor Circuits
  • AIC rating: 200kA @ 300V
  • Class Rating: T
  • Diameter: 1 in
  • Barrels: 1
  • Family: T-Tron
  • Country of Origin: Mexico
  • Weight: 0.25 lb


Product Identification
  • UPC: 051712627047
  • GTIN: 00051712627047