Bussmann 170M3472 Eaton Series...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,031.85

Bussmann 170M3472 Eaton Series High-Speed Square Body Fuse, 550A Class aR

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Model: 170M3472
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$1,031.85
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Bussmann 170M3472 Eaton Series High-Speed Square Body Fuse, 550A Class aR

The Bussmann 170M3472 is an Eaton series high-speed square body fuse engineered for semiconductor protection where rapid current interruption is critical. Rated 550A at 700V (UL) / 690V (IEC) AC with a 200 kAIC interrupt rating, this Class aR fuse is UL Recognized and CE marked for use in demanding power electronics, drive, and power conversion applications. Its square body design with flush end contacts supports compact, space-saving panel mounting in high-density enclosures.

Key Features

  • Amperage Rating: 550A for high-current circuit protection.
  • Voltage Rating: 700V (UL) / 690V (IEC) AC for use in medium-voltage AC power systems.
  • Interrupt Rating: 200 kAIC high interrupting capacity for demanding fault-current conditions.
  • Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection of power semiconductors.
  • Fuse Shape: Square body with flush end contacts for compact, space-efficient installation.
  • Current-Limiting Performance: Pre-arc I²t of 34,000 and clearing I²t of 230,000 at 660V for precise let-through energy control.
  • Watt Losses: Rated at 89W.
  • Application: Engineered for semiconductor protection in power conversion equipment.

Certifications & Compliance

  • UL Recognized
  • CE Marked

Technical Specifications

  • Amperage Rating: 550 A
  • Application: semiconductor protection
  • Certifications: UL Recognized
  • Clearing I2t: 230000 at 660 V
  • Compliances: CE Marked
  • Fuse Shape: Square body, flush end contacts
  • Insulated Metal Gripping Lugs (IMGL): No
  • Packaging Type: Standard
  • Pre Arc I2t: 34000
  • Product Height: 50 mm
  • Product Length Depth: 60 mm
  • Product Weight: 264.6666667 g
  • Product Width: 43 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 690 V
  • Voltage Type: AC
  • Watt Losses: 89 W

Typical Applications

  • Semiconductor Protection in Power Electronics
  • Variable Frequency Drives and Motor Drive Systems
  • Power Conversion and Rectifier Equipment
  • Industrial and Commercial Electrical Systems Requiring High-Speed Fault Clearing

Why Bussmann?

Bussmann by Eaton is a recognized leader in circuit protection, and the 170M3472 reflects that engineering standard with its UL Recognized, CE marked construction and precise current-limiting performance. Backed by documented pre-arc and clearing I²t data, this high-speed square body fuse delivers the coordinated, code-compliant protection that semiconductor and power electronics applications demand.

Manufacturer Resources

Product Specs

Amperage Rating:
550 A
Application:
semiconductor protection
Certifications:
UL Recognized
Class:
Class aR
Clearing I2t:
230000 at 660 V
Compliances:
CE Marked
Fuse Indicator:
Other
Fuse Shape:
Square body, flush end contacts
Insulated Metal Gripping Lugs Imgl:
No
Interrupt Rating:
200 kAIC
Mounting Method:
Flush
Packaging Type:
Standard
Pre Arc I2t:
34000
Product Height:
50 mm
Product Length Depth:
60 mm
Product Weight:
264.6666667 g
Product Width:
43 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
690 V
Voltage Type:
AC
Watt Losses:
89 W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M3472 – Frequently Asked Questions

How fast can I get the Bussmann 170M3472 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 170M3472 come with a warranty?
Absolutely. The Bussmann 170M3472 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 170M3472?
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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