Bussmann 170M4109 Eaton High S...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,116.14
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Bussmann 170M4109 Eaton High Speed Square Body Fuse, 250A Class aR

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Model: 170M4109

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

$1,116.14
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Bussmann 170M4109 Eaton High Speed Square Body Fuse, 250A Class aR

The Bussmann 170M4109 is an Eaton Bussmann series high speed square body fuse built for demanding semiconductor protection duty. Rated 700V (UL) / 690V (IEC) with a 250A amperage rating and a 200 kAIC interrupting rating, this Class aR fuse is UL Recognized and CE Marked for use in industrial power systems requiring fast-clearing, accompanied semiconductor protection.

Key Features

  • Amperage Rating: 250A for coordinated semiconductor protection circuits.
  • Voltage Rating: 700V (UL) / 690V (IEC) AC for high-voltage industrial applications.
  • Interrupting Rating: 200 kAIC for reliable clearing under high fault-current conditions.
  • Utilization Category: Class aR (accompanied semiconductor protection) per DIN 43 620.
  • Fuse Shape: Square body with slotted, center-bolted tags, blade end x blade end connection.
  • Clearing I2t: 21000 at 660V for predictable coordinated protection.
  • Pre-Arc I2t: 3100 for fast-acting semiconductor circuit protection.
  • Packaging Type: Standard.

Certifications & Compliance

  • UL Recognized
  • CE Marked

Technical Specifications

  • Amperage Rating: 250 A
  • Application: semiconductor protection
  • Certifications: UL Recognized
  • Clearing I2t: 21000 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: 3100
  • Product Height: 62 mm
  • Product Length Depth: 245 mm
  • Product Weight: 156.3333333 g
  • Product Width: 142 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 690 V
  • Voltage Type: AC

Typical Applications

  • Semiconductor Device Protection (SCRs, Thyristors, Diodes)
  • Power Electronics and Variable Frequency Drives
  • Industrial Rectifier and Converter Circuits
  • High Fault-Current Industrial Power Systems

Why Bussmann?

Bussmann by Eaton is a recognized name in circuit protection, and the 170M4109 reflects that standard with UL Recognized certification, CE Marked compliance, and a rugged square-body construction built to DIN 43 620 dimensions. For engineers specifying semiconductor protection in demanding industrial power systems, this Class aR fuse delivers the fast-clearing performance and dependable, code-compliant construction professional installations require.

Manufacturer Resources

Product Specs

Amperage Rating:
250 A
Application:
semiconductor protection
Certifications:
UL Recognized
Class:
Class aR
Clearing I2t:
21000 at 660 V
Clearing Loss:
55
Compliances:
CE Marked
Connection:
Blade end x blade end
Fuse Indicator:
Other
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:
3100
Product Height:
62 mm
Product Length Depth:
245 mm
Product Weight:
156.3333333 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 170M4109 – Frequently Asked Questions

How fast can I get the Bussmann 170M4109 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 170M4109 come with a warranty?
Absolutely. The Bussmann 170M4109 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 170M4109?
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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