Bussmann 170M3440 Eaton Series...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,264.85
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Bussmann 170M3440 Eaton Series High-Speed Square Body Fuse, Class aR, 80A

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Model: 170M3440

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

$1,264.85
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Bussmann 170M3440 Eaton Series High-Speed Square Body Fuse, Class aR, 80A

The Bussmann 170M3440 is an Eaton series high-speed square body fuse engineered for semiconductor protection, rated 700V (UL) / 690V (IEC) at 80A with a 100 kAIC interrupting rating. Constructed in a square body, flush end-contact configuration, this Class aR fuse is built for accompanied semiconductor protection duty in demanding power electronics and power conversion equipment. IEC-rated and CE-marked, it is engineered to deliver fast, reliable fault-current interruption where high-speed semiconductor protection is critical.

Key Features

  • Voltage Rating: 700V (UL) / 690V (IEC) for high-voltage circuit protection.
  • Amperage Rating: 80A continuous current rating for reliable circuit protection.
  • Interrupting Rating: 100 kAIC for dependable fault-current interruption.
  • Fuse Shape: Square body with flush end contacts for compact, secure mounting.
  • Utilization Category: Class aR, rated for accompanied semiconductor protection.
  • Application: Engineered specifically for semiconductor protection in power conversion equipment.
  • Clearing I²t: 2500 A²s at 1000V, 3350 A²s at 1250V.
  • Pre-Arc I²t: 420 A²s for predictable fast-acting performance.
  • Watt Losses: 25W.

Certifications & Compliance

  • IEC Rated
  • CE Marked

Technical Specifications

  • Amperage Rating: 80 A
  • Application: semiconductor protection
  • Certifications: IEC Rated
  • Clearing I2t: 2500 at 1000 V, 3350 at 1250 V
  • Compliances: CE Marked
  • Fuse Shape: Square body, flush end contacts
  • Insulated Metal Gripping Lugs (IMGL): No
  • Packaging Type: Standard
  • Pre Arc I2t: 420
  • Product Height: 43 mm
  • Product Length Depth: 80 mm
  • Product Weight: 450.333 g
  • Product Width: 60 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 1250 V
  • Voltage Type: AC
  • Watt Losses: 25 W

Typical Applications

  • Semiconductor Protection in Power Electronics
  • Variable Frequency Drives and Motor Controls
  • Industrial Power Conversion Equipment
  • High-Speed Fault-Current Interruption
  • Rectifier and Inverter Circuit Protection

Why Bussmann?

Bussmann by Eaton is a recognized leader in circuit protection, and the 170M3440 reflects that standard with IEC-rated, CE-marked construction built for demanding semiconductor protection duty. With a 100 kAIC interrupting rating and a Class aR utilization category, this high-speed square body fuse delivers dependable, code-compliant performance for professional power electronics applications.

Manufacturer Resources

Product Specs

Amperage Rating:
80 A
Application:
semiconductor protection
Certifications:
IEC Rated
Class:
Class aR
Clearing I2t:
2500 at 1000 V, 3350 at 1250 V
Compliances:
CE Marked
Fuse Indicator:
Other
Fuse Shape:
Square body, flush end contacts
Insulated Metal Gripping Lugs Imgl:
No
Interrupt Rating:
100 kAIC
Mounting Method:
Flush
Packaging Type:
Standard
Pre Arc I2t:
420
Product Height:
43 mm
Product Length Depth:
80 mm
Product Weight:
450.333 g
Product Width:
60 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
1250 V
Voltage Type:
AC
Watt Losses:
25 W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M3440 – Frequently Asked Questions

How fast can I get the Bussmann 170M3440 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 170M3440 come with a warranty?
Absolutely. The Bussmann 170M3440 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 170M3440?
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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