Bussmann 170M4559 Eaton Series...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,012.55
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Bussmann 170M4559 Eaton Series High-Speed Square Body Fuse, Class aR, 250A

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Model: 170M4559

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

$1,012.55
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Bussmann 170M4559 Eaton Series High-Speed Square Body Fuse, Class aR, 250A

The Bussmann 170M4559 is an Eaton Bussmann series high-speed square body fuse engineered for semiconductor protection, rated 1300V (UL) / 1250V (IEC), 250A, with a 200 kAIC interrupting rating. Built to Class aR (accompanied semiconductor protection) utilization category, this flush end-contact fuse delivers fast-clearing performance for power electronics and drive circuits. AC-rated and CE marked, it is engineered for demanding industrial protection applications.

Key Features

  • Compact Square Body Design: Measures 170 mm (W) x 73 mm (L/Depth) x 52 mm (H) with flush end contacts for space-efficient panel mounting.
  • High-Speed Class aR: Utilization Category aR (accompanied semiconductor protection) provides fast-clearing protection for semiconductor devices.
  • Electrical Rating: 1300V (UL) / 1250V (IEC), 250A, 200 kAIC interrupting rating for demanding power circuits.
  • Voltage Type: AC rated, 690V voltage rating per manufacturer specification.
  • Clearing Performance: Clearing I2t of 21000 at 660V and Pre-Arc I2t of 3100 for precise coordination.
  • Watt Losses: 55W watt loss rating.
  • Lightweight Construction: 153 g product weight for the square body fuse assembly.

Certifications & Compliance

  • UL Rated (1300V)
  • IEC Rated (1250V)
  • 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, flush end contacts
  • Insulated Metal Gripping Lugs (IMGL): No
  • Packaging Type: Standard
  • Pre Arc I2t: 3100
  • Product Height: 52 mm
  • Product Length/Depth: 73 mm
  • Product Weight: 153 g
  • Product Width: 170 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 690 V
  • Voltage Type: AC
  • Watt Losses: 55 W

Typical Applications

  • Semiconductor Protection Circuits
  • Power Electronics and Drive Systems
  • Industrial Motor Control Protection
  • High-Speed Circuit Protection for Solid-State Devices
  • AC Power Distribution in Industrial Panels

Why Bussmann?

Eaton Bussmann series fuses are engineered for reliable, code-compliant performance in demanding industrial and semiconductor protection applications. The 170M4559 combines UL and IEC voltage ratings, a 200 kAIC interrupting rating, and CE marked compliance for dependable protection professionals can trust. Choose Bussmann for consistent, high-speed circuit protection built to Class aR standards.

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, flush end contacts
Insulated Metal Gripping Lugs Imgl:
No
Interrupt Rating:
200 kAIC
Mounting Method:
Flush
Packaging Type:
Standard
Pre Arc I2t:
3100
Product Height:
52 mm
Product Length Depth:
73 mm
Product Weight:
153 g
Product Width:
170 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 170M4559 – Frequently Asked Questions

How fast can I get the Bussmann 170M4559 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 170M4559 come with a warranty?
Absolutely. The Bussmann 170M4559 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 170M4559?
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
Why buy the Bussmann 170M4559 from ZenSupply?
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