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Eaton Bussmann JJN40LS Fast-Acting Fuse

The JJN40LS is a fast-acting fuse designed for reliable circuit protection in electrical systems. Rated for 300 VAC and 40 Amps, this axial package fuse measures 14.3mm by 22.2mm and features a bolt mounting configuration. Its high-speed response offers effective current limiting during short-circuits, ensuring safety and component longevity. Suitable for system upgrades, control centers, and load centers, this fuse provides excellent protection without occupying much space, making it ideal for diverse electrical applications requiring quick, reliable protection with easy installation.

Authorized Distributors
Source:DigiKey
Part No:JJN-40LS
Stock:2
Inv Date:06-11-2026
Price: Unit price: $94.92
Buy/RFQ:
Part No:JJN-40LS
Stock:0
Inv Date:06-12-2026
Price: Unit price: $97.94
Buy/RFQ:
Part No:JJN-40LS
Stock:0
Inv Date:06-11-2026
Price: Unit price: $94.92
Buy/RFQ:
Part No:JJN-40LS
Stock:0
Inv Date:06-11-2026
Price: Unit price: $83.76
Buy/RFQ:
Part No:JJN-40LS
Stock:0
Inv Date:06-11-2026
Price: Unit price: $83.76
Buy/RFQ:

Eaton Bussmann JJN40LS Fast-Acting Fuse Specifications:

  • Voltage Rating: 300 VAC
  • Ampere Rating: 40A
  • Package Style: Axial
  • Dimensions: 14.3mm x 22.2mm
  • Mounting: Bolt
  • Response Time: Very Fast Acting
  • Application: Circuit protection, control centers, load centers
  • Features: Reliable current limiting, high-speed response, space-saving design, suitable for electrical system upgrades
  • Standards Compliance: UL Listed, CSA Certified

Buy the Cooper Bussmann Series JJN: Fast-Acting 300V Fuse JJN40LS

Purchase the Cooper Bussmann JJN40LS fast-acting fuse online today for superior circuit protection. Designed for 300V, 40A applications, it features a compact axial package and bolt mounting for easy installation. Its high-speed response ensures rapid current limiting during short circuits, protecting delicate components and systems effectively. Perfect for load centers, control panels, and system upgrades, this fuse delivers reliable, long-lasting performance. Buy online now and ensure your electrical safety with trusted, UL-listed protection devices tailored for industrial and commercial use.

Get Cooper Bussmann JJN40LS today—built for precision, reliability, and long-lasting durability in electrical protection solutions.

Frequently Asked Questions

Where can I buy Eaton Bussmann JJN40LS?

You can click on the BUY or RFQ button to purchase JJN40LS from an authorized Eaton Bussmann distributor.

How do I troubleshoot issues or seek technical support for part JJN40LS?

You can download the JJN40LS datasheet or visit the Eaton Bussmann website for support.

Who is the manufacturer of JJN40LS?

Eaton Bussmann

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