Eaton Bussmann

Eaton Bussmann JJN-400 400A Class T Fuse – Bolted Blade Connection

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SKU: JJN-400 GTIN/UPC: 051712627047
$85.40
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The Eaton Bussmann JJN-400 is a Class T fuse designed for fast-acting overcurrent protection in low-voltage power distribution systems. With a 400A rating, it delivers rapid fault interruption to protect sensitive electrical equipment from short-circuit and overload conditions. Its compact construction and bolted blade end connections ensure secure installation in industrial and commercial applications requiring reliable high-speed protection.

Voltage and Rating

  • Current Rating: 400A
  • Voltage Rating: 300 Vac, 160 Vdc
  • Interrupt Rating: 200 kAIC at 300 Vac, 20 kAIC at 160 Vdc
  • Fuse Class: Class T

Key Specifications

  • Manufacturer: Eaton Bussmann
  • Catalog Number: JJN-400
  • Product Type: Fuse
  • Fuse Indicator: Non-indicating
  • Connection Type: Bolted Blade End x Bolted Blade End
  • Quantity: 1
  • Compliance: CE Marked, RoHS Compliant

Physical Details

  • Product Length/Depth: 2.75 in
  • Product Height: 1 in
  • Product Width: 1 in
  • Product Weight: 0.25 lb
  • Packaging Type: Standard

Product Data

  • UPC: 051712627047
  • Category: Industrial Protection Fuses
  • Application: Power distribution protection
  • Warranty: Not Applicable
  • Type Circuit Breakers
  • Vendor Eaton Bussmann
  • Brand Eaton Bussmann

Returns are easy

You may return items within 30 days of delivery for a refund.

FREE Shipping on orders over $149.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

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In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.