Bussmann 170M5409 Eaton Series...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,401.86
Image coming soon

Bussmann 170M5409 Eaton Series High-Speed Square Body Fuse, 450A Class aR, 690V

(No reviews yet) Write a Review

Model: 170M5409

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

$1,401.86
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 170M5409 Eaton Series High-Speed Square Body Fuse, 450A Class aR, 690V

The Bussmann 170M5409 is an Eaton series high-speed square body fuse engineered for semiconductor protection, rated 450A at 690V AC with a 200 kAIC interrupt rating. Built in Utilization Category aR (accompanied semiconductor protection), this Class aR fuse features a square body with flush end contacts and a top fuse status indicator for quick visual confirmation of fuse condition. It is IEC rated and CE marked for use in demanding power electronic applications.

Key Features

  • Amperage Rating: 450A for high-current semiconductor circuit protection.
  • Voltage Rating: 690V AC, suitable for demanding power electronic systems.
  • Interrupt Rating: 200 kAIC for reliable performance under high fault-current conditions.
  • Fuse Shape: Square body design with flush end contacts for compact, space-saving installation.
  • Utilization Category aR: Accompanied semiconductor protection for use alongside a backup overcurrent device.
  • Top Fuse Status Indicator: Provides fast visual confirmation of a blown fuse without removal.
  • Protection Characteristics: Pre-Arc I2t of 15500 and Clearing I2t of 105000 at 660V for predictable current-limiting performance.
  • Watt Losses: 70W rated power loss for thermal system design.

Certifications & Compliance

  • IEC Rated
  • CE Marked

Technical Specifications

  • Amperage Rating: 450 A
  • Application: semiconductor protection
  • Certifications: IEC Rated
  • Clearing I2t: 105000 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: 15500
  • Product Height: 80 mm
  • Product Length/Depth: 168 mm
  • Product Weight: 299.6666667 g
  • Product Width: 124 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 690 V
  • Voltage Type: AC
  • Watt Losses: 70 W

Typical Applications

  • Semiconductor Device Protection
  • Power Electronic Converters and Rectifiers
  • Variable Frequency Drives and Motor Control Systems
  • Industrial Power Electronics Requiring Accompanied Overcurrent Protection

Why Bussmann?

Bussmann by Eaton engineers this high-speed square body fuse to IEC standards with CE marking, delivering the precise current-limiting performance semiconductor protection applications demand. With a defined Pre-Arc and Clearing I2t, 200 kAIC interrupt rating, and a top-mounted status indicator, the 170M5409 gives electrical professionals a reliable, code-compliant solution for protecting sensitive power electronic devices.

Manufacturer Resources

Product Specs

Amperage Rating:
450 A
Application:
semiconductor protection
Certifications:
IEC Rated
Class:
Class aR
Clearing I2t:
105000 at 660 V
Compliances:
CE Marked
Fuse Indicator:
Top fuse status indicator
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:
15500
Product Height:
80 mm
Product Length Depth:
168 mm
Product Weight:
299.6666667 g
Product Width:
124 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
690 V
Voltage Type:
AC
Watt Losses:
70 W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M5409 – Frequently Asked Questions

How fast can I get the Bussmann 170M5409 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 170M5409 come with a warranty?
Absolutely. The Bussmann 170M5409 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 170M5409?
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 170M5409 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.
!