Bussmann 170M4209 Eaton Series...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,106.11
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Bussmann 170M4209 Eaton Series High-Speed Square Body Fuse, 250A Class aR

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Model: 170M4209

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

$1,106.11
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Bussmann 170M4209 Eaton Series High-Speed Square Body Fuse, 250A Class aR

The Bussmann 170M4209 is an Eaton Bussmann series high-speed square body fuse engineered for demanding semiconductor protection applications. Rated 700V (UL) / 690V (IEC) and 250A with a 200 kAIC interrupting rating, this Class aR fuse is built for accompanied semiconductor protection (Utilization Category aR). The fuse features a top fuse status indicator for quick visual condition checks and blade end x blade end terminations for direct installation in compatible high-speed fuse holders.

Key Features

  • Voltage Rating: 700V (UL) / 690V (IEC) AC for use in high-voltage industrial power circuits.
  • Amperage Rating: 250A continuous current rating for reliable overcurrent protection.
  • Interrupting Rating: 200 kAIC high interrupting capacity for demanding fault-current environments.
  • Fuse Class: Class aR, Utilization Category aR (accompanied semiconductor protection).
  • Body Style: Square body with slotted center bolted tags per DIN 43 620, and blade end x blade end terminations.
  • Status Indicator: Top fuse status indicator for quick visual verification of fuse condition.
  • Let-Through Performance: Pre-arc I2t of 155000 and clearing I2t of 42000 at 660V, with a clearing loss of 55.
  • Compact Design: Measures 245 mm length x 142 mm width x 62 mm height and weighs 162 g.

Certifications & Compliance

  • 700V UL Voltage Rating
  • IEC Rated (690V)
  • CE Marked

Technical Specifications

  • Amperage Rating: 250 A
  • Application: semiconductor protection
  • Certifications: IEC Rated
  • Clearing I2t : 42000 at 660 V
  • Clearing Loss: 55
  • Compliances: CE Marked
  • Fuse Shape: Square body, slotted center bolted tags
  • Insulated Metal Gripping Lugs Imgl : No
  • Packaging Type: Standard
  • Pre Arc I2t : 155000
  • Product Height: 62 mm
  • Product Length Depth: 245 mm
  • Product Weight: 162 g
  • Product Width: 142 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 690 V
  • Voltage Type: AC

Typical Applications

  • Semiconductor Protection
  • High-Speed Power Electronics Circuits
  • Motor Drive and Rectifier Protection
  • Industrial and Commercial Electrical Systems

Why Bussmann?

Eaton's Bussmann series brings decades of fuse engineering to the 170M4209, delivering documented pre-arc and clearing I2t performance for predictable, code-compliant circuit protection. Its Class aR construction and 200 kAIC interrupting rating make it a dependable choice for accompanied semiconductor protection in demanding industrial power electronics. Choose Bussmann for consistent, well-documented overcurrent protection engineered for professional electrical applications.

Manufacturer Resources

Product Specs

Amperage Rating:
250 A
Application:
semiconductor protection
Certifications:
IEC Rated
Class:
Class aR
Clearing I2t:
42000 at 660 V
Clearing Loss:
55
Compliances:
CE Marked
Connection:
Blade end x blade end
Fuse Indicator:
Top fuse status indicator
Fuse Shape:
Square body, slotted center bolted tags
Insulated Metal Gripping Lugs Imgl:
No
Interrupt Rating:
200 kAIC
Mounting Method:
DIN 43 620
Packaging Type:
Standard
Pre Arc I2t:
155000
Product Height:
62 mm
Product Length Depth:
245 mm
Product Weight:
162 g
Product Width:
142 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
690 V
Voltage Type:
AC
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M4209 – Frequently Asked Questions

How fast can I get the Bussmann 170M4209 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 170M4209 come with a warranty?
Absolutely. The Bussmann 170M4209 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 170M4209?
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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