Bussmann 170M4359 High-Speed S...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,104.98
Bussmann 170M4359 High-Speed Square Body Fuse, Class aR, 250A/690V

Bussmann 170M4359 High-Speed Square Body Fuse, Class aR, 250A/690V

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Model: 170M4359

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

$1,104.98
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Bussmann 170M4359 High-Speed Square Body Fuse, Class aR, 250A/690V

The Bussmann 170M4359 is an Eaton Bussmann series high-speed square body fuse engineered for demanding semiconductor protection applications. Rated 700V (UL) and 690V (IEC) with a 250A amperage rating and 200 kAIC interrupt capacity, this Class aR fuse is built for accompanied semiconductor protection in industrial power circuits. The square body design with slotted center bolted tags simplifies mounting, while its IEC Rated and CE Marked compliance make it suitable for both domestic and international installations.

Key Features

  • Amperage Rating: 250A rating delivers reliable overcurrent protection for high-speed semiconductor circuits.
  • Voltage Rating: Rated 700V (UL) and 690V (IEC) AC for use in demanding industrial power systems.
  • Interrupt Rating: 200 kAIC interrupt capacity ensures dependable fault clearing under high fault-current conditions.
  • Utilization Category: Class aR (accompanied semiconductor protection) designed specifically to safeguard semiconductor devices.
  • Square Body Construction: Square body fuse shape with slotted center bolted tags for secure, straightforward installation.
  • Clearing I2t: 21000 at 660V for precise coordination with protected semiconductor components.
  • Pre-Arc I2t: 3100 pre-arc let-through characteristic supports fast-acting protection.
  • Watt Losses: 55W power dissipation rating.

Certifications & Compliance

  • IEC Rated
  • CE Marked

Technical Specifications

  • Amperage Rating: 250 A
  • Application: semiconductor protection
  • Certifications: IEC Rated
  • Clearing I2t: 21000 at 660 V
  • 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: 84 mm
  • Product Length/Depth: 214 mm
  • Product Weight: 500 g
  • Product Width: 160 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 690 V
  • Voltage Type: AC
  • Watt Losses: 55 W

Typical Applications

  • Semiconductor Device Protection
  • Power Electronics and Converter Circuits
  • Industrial Motor Drive Systems
  • Rectifier and Inverter Protection Circuits
  • OEM Panel and Switchgear Assembly

Why Bussmann?

Bussmann by Eaton is a recognized name in circuit protection, and the 170M4359 reflects that standard with IEC Rated and CE Marked compliance built into a rugged square body fuse. With a 200 kAIC interrupt rating and Class aR utilization category, it delivers dependable, code-compliant performance for semiconductor protection in professional industrial electrical work.

Manufacturer Resources

Product Specs

Amperage Rating:
250 A
Application:
semiconductor protection
Certifications:
IEC Rated
Class:
Class aR
Clearing I2t:
21000 at 660 V
Compliances:
CE Marked
Fuse Indicator:
Other
Fuse Shape:
Square body, slotted center bolted tags
Insulated Metal Gripping Lugs Imgl:
No
Interrupt Rating:
200 kAIC
Packaging Type:
Standard
Pre Arc I2t:
3100
Product Height:
84 mm
Product Length Depth:
214 mm
Product Weight:
500 g
Product Width:
160 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
690 V
Voltage Type:
AC
Watt Losses:
55 W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M4359 – Frequently Asked Questions

How fast can I get the Bussmann 170M4359 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 170M4359 come with a warranty?
Absolutely. The Bussmann 170M4359 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 170M4359?
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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