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Eaton Bussmann JJN40 fast-acting fuse

This is a high-speed, current-limiting fuse with a voltage rating of 300 VAC and a current rating of 40 Amps, suitable for protecting electronic components and circuits from short-circuits and overloads. It features a cylindrical package measuring approximately 14.22mm by 22.35mm, designed for easy mounting in a holder. The fuse provides excellent response times for semiconductor protection and is ideal for use in electric heat circuits, load centers, disconnect switches, and meters, ensuring reliable system protection for various electrical applications.

Authorized Distributors
Source:DigiKey
Part No:JJN-40
Stock:14
Inv Date:06-11-2026
Price: Unit price: $85.18
Buy/RFQ:
Part No:JJN-40
Stock:0
Inv Date:06-12-2026
Price: Unit price: $86.18
Buy/RFQ:
Part No:JJN-40
Stock:0
Inv Date:06-11-2026
Price: Unit price: $85.18
Buy/RFQ:
Part No:JJN-40
Stock:4
Inv Date:06-11-2026
Price: Unit price: $84.97
Buy/RFQ:
Part No:JJN-40
Stock:4
Inv Date:06-11-2026
Price: Unit price: $84.97
Buy/RFQ:

Eaton Bussmann JJN40 fast-acting fuse Specifications:

  • Voltage Rating: 300 VAC
  • Ampere Rating: 40 A
  • Package Dimensions: approximately 14.22mm x 22.35mm
  • Type: Fast-acting, current-limiting fuse
  • Mounting: Holder compatible
  • Application: Circuit protection, semiconductor, electric heat, load centers
  • Response Time: Very fast
  • Certifications: UL Listed, CSA Certified

Buy the Cooper Bussmann Series JJN: 40A Fast-Acting Fuse

Purchase the Cooper Bussmann JJN40 fast-acting fuse online today and ensure reliable protection for your electrical systems. Designed with a 300VAC voltage rating and 40A current capacity, this high-speed fuse offers excellent response times suitable for sensitive electronic components, electric heat circuits, and control panels. Its cylindrical design and easy mounting make it perfect for upgrading existing systems or new installations. Count on this UL-listed, CSA-certified fuse for durability and maximum safety in your electrical applications. Order now and enhance your system protection with confidence.

Get Cooper Bussmann JJN40 today—built for precision and long-lasting durability.

Frequently Asked Questions

Where can I buy Eaton Bussmann JJN40?

You can click on the BUY or RFQ button to purchase JJN40 from an authorized Eaton Bussmann distributor.

How do I troubleshoot issues or seek technical support for part JJN40?

You can download the JJN40 datasheet or visit the Eaton Bussmann website for support.

Who is the manufacturer of JJN40?

Eaton Bussmann

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