Bussmann 170M5266 Eaton Series...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,612.39
Image coming soon

Bussmann 170M5266 Eaton Series High-Speed Square Body Fuse, 1000A Class aR

(No reviews yet) Write a Review

Model: 170M5266

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

$1,612.39
Adding to cart… The item has been added
Free Shipping on orders over $199
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

Bussmann 170M5266 Eaton Series High-Speed Square Body Fuse, 1000A Class aR

The Bussmann 170M5266 is an Eaton Bussmann series high-speed square body fuse built for semiconductor protection in demanding power electronics applications. Rated 700V (UL) / 690V (IEC) and 1000A with a 200 kAIC interrupt rating, this Class aR fuse features a blade end x blade end connection on a square body with slotted center bolted tags, built to the DIN 43 620 dimensional standard. It is UL Recognized and CE Marked, making it suitable for industrial power conversion equipment that requires fast-acting, coordinated overcurrent protection.

Key Features

  • Electrical Rating: 700V (UL) / 690V (IEC) at 1000A with a 200 kAIC interrupt rating for high fault-current environments.
  • Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection of power semiconductors.
  • Connection Type: Blade end x blade end terminals on a square body with slotted center bolted tags for a secure, low-resistance connection.
  • Dimensional Standard: Manufactured to DIN 43 620 for compatibility with standard high-speed fuse mounting hardware.
  • Compact Footprint: 75 mm height x 108 mm width x 61 mm depth, weighing approximately 652.67 g.
  • Fast-Acting Performance: Pre-arc I2t of 180,000 and clearing I2t of 1,600,000 at 660V, with a clearing loss of 110, for rapid fault clearing.

Certifications & Compliance

  • UL Recognized
  • CE Marked

Technical Specifications

  • Amperage Rating: 1000 A
  • Application: semiconductor protection
  • Certifications: UL Recognized
  • Clearing I2t: 1600000 at 660 V
  • Clearing Loss: 110
  • Compliances: CE Marked
  • Fuse Shape: Square body, slotted center bolted tags
  • Insulated Metal Gripping Lugs (IMGL): No
  • Packaging Type: Standard
  • Pre Arc I2t: 180000
  • Product Height: 75 mm
  • Product Length Depth: 61 mm
  • Product Weight: 652.6666667 g
  • Product Width: 108 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 690 V
  • Voltage Type: AC

Typical Applications

  • Semiconductor Protection
  • Power Conversion and Rectifier Equipment
  • High-Speed Circuit Protection for Power Electronics
  • Industrial and Commercial Electrical Systems

Why Bussmann?

Bussmann by Eaton is a recognized name in high-speed fuse protection, and the 170M5266 reflects that standard with UL Recognized and CE Marked construction built to the DIN 43 620 dimensional standard. Its Class aR utilization category and 200 kAIC interrupt rating make it a dependable choice for protecting power semiconductors in demanding industrial and commercial electrical systems.

Manufacturer Resources

Product Specs

Amperage Rating:
1000 A
Application:
semiconductor protection
Certifications:
UL Recognized
Class:
Class aR
Clearing I2t:
1600000 at 660 V
Clearing Loss:
110
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:
180000
Product Height:
75 mm
Product Length Depth:
61 mm
Product Weight:
652.6666667 g
Product Width:
108 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 170M5266 – Frequently Asked Questions

How fast can I get the Bussmann 170M5266 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 170M5266 come with a warranty?
Absolutely. The Bussmann 170M5266 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 170M5266?
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 170M5266 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
!