Bussmann 170M2678 High-Speed S...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$385.41
Bussmann 170M2678 High-Speed Square Body Fuse, Class aR, 700V/50A

Bussmann 170M2678 High-Speed Square Body Fuse, Class aR, 700V/50A

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Model: 170M2678

In Stock (leaves warehouse same day if ordered before 3pm ET)

$385.41
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Bussmann 170M2678 High-Speed Square Body Fuse, Class aR, 700V/50A

The Bussmann 170M2678 is an Eaton Bussmann series high-speed square body fuse engineered for semiconductor protection in demanding power electronics applications. Rated 700V (UL) / 690V (IEC) at 50A with a 125 kAIC interrupt rating, this Class aR fuse is designed for accompanied semiconductor protection where fast clearing and high fault-current interruption are critical. Its square body design with knife blade contacts delivers a compact, reliable footprint for panel and enclosure mounting.

Key Features

  • Electrical Rating: 700V (UL) / 690V (IEC), 50A, 125 kAIC for demanding semiconductor circuit protection.
  • Utilization Category: Class aR (accompanied semiconductor protection) for coordinated fault protection of semiconductor devices.
  • Fuse Shape: Square body construction with knife blade contacts for secure, low-resistance connections.
  • High-Speed Design: High-speed operating characteristic supports fast clearing to protect sensitive semiconductor components.
  • Compact Dimensions: 60 mm height x 79 mm length/depth x 30 mm width, approximately 204.17 g weight.
  • Voltage Rating: 1000V AC voltage type rating per manufacturer specification.
  • Packaging Type: Standard packaging for straightforward stocking and handling.

Certifications & Compliance

  • Rated 700V per UL Standards
  • Rated 690V per IEC Standards

Technical Specifications

  • Amperage Rating: 50 A
  • Application: semiconductor protection
  • Compliances: Contact factory
  • Fuse Shape: Square body, knife blade contacts
  • Insulated Metal Gripping Lugs (IMGL): No
  • Packaging Type: Standard
  • Product Height: 60 mm
  • Product Length Depth: 79 mm
  • Product Weight: 204.1666667 g
  • Product Width: 30 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 1000 V
  • Voltage Type: AC

Typical Applications

  • Semiconductor Protection
  • Accompanied Fuse Protection in Power Electronics
  • Industrial and Commercial Electrical Systems
  • High-Speed Circuit Protection

Why Bussmann?

Bussmann by Eaton is a recognized name in circuit protection, and the 170M2678 reflects that engineering standard with its Class aR rating, 125 kAIC interrupt capability, and square body knife-blade construction built for accompanied semiconductor protection. Choose this Bussmann fuse for dependable, code-aware performance in professional electrical and power electronics installations.

Manufacturer Resources

Product Specs

Amperage Rating:
50 A
Application:
semiconductor protection
Class:
Class aR
Compliances:
Contact factory
Fuse Indicator:
Other
Fuse Shape:
Square body, knife blade contacts
Insulated Metal Gripping Lugs Imgl:
No
Interrupt Rating:
125 kAIC
Packaging Type:
Standard
Product Height:
60 mm
Product Length Depth:
79 mm
Product Weight:
204.1666667 g
Product Width:
30 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
1000 V
Voltage Type:
AC
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M2678 – Frequently Asked Questions

How fast can I get the Bussmann 170M2678 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Bussmann 170M2678 come with a warranty?
Absolutely. The Bussmann 170M2678 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Bussmann 170M2678?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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