Bussmann 170M4239 Eaton Series...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,391.84
Image coming soon

Bussmann 170M4239 Eaton Series High-Speed Square Body Fuse, Class aR, 200A, 1250V

(No reviews yet) Write a Review

Model: 170M4239

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

$1,391.84
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 170M4239 Eaton Series High-Speed Square Body Fuse, Class aR, 200A, 1250V

The Bussmann 170M4239 is an Eaton series high-speed square body fuse engineered for demanding semiconductor protection duty. Rated 1250V (IEC) / 1300V (UL) at 200A with a 100 kAIC interrupt rating, this Class aR fuse is built to DIN 43 620 dimensions with a square body and slotted center bolted tags for secure busbar-style mounting. It is IEC rated and CE marked for use in industrial power electronics circuits.

Key Features

  • Dual Voltage Rating: 1250V (IEC) and 1300V (UL) at 200A for reliable operation across international power electronics platforms.
  • High Interrupt Capacity: 100 kAIC breaking capacity provides robust protection against high fault currents.
  • Class aR (Accompanied Semiconductor Protection): Utilization category aR is purpose-built to protect semiconductor devices in coordination with other overcurrent protection.
  • DIN 43 620 Square Body Design: Slotted center bolted tags allow secure, low-resistance busbar connections in standardized fuse holders.
  • Clearing I2t: 22,500 at 1000V and 30,000 at 1250V for predictable current-limiting performance under fault conditions.
  • Pre-Arc I2t: 3,800 for precise coordination with protected semiconductor components.
  • Watt Loss: 50W rated power dissipation for thermal design planning.
  • AC Voltage Type: Designed for AC power electronics applications.

Certifications & Compliance

  • IEC Rated
  • CE Marked

Technical Specifications

  • Amperage Rating: 200 A
  • Application: semiconductor protection
  • Certifications: IEC Rated
  • Clearing I2t : 22500 at 1000 V, 30000 at 1250 V
  • Compliances: CE Marked
  • Fuse Shape: Square body, slotted center bolted tags
  • Insulated Metal Gripping Lugs Imgl : No
  • Packaging Type: Standard
  • Pre Arc I2t : 3800
  • Product Height: 67 mm
  • Product Length Depth: 284 mm
  • Product Weight: 223.6666667 g
  • Product Width: 175 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 1250 V
  • Voltage Type: AC
  • Watt Losses: 50 W

Typical Applications

  • Semiconductor Protection in Power Electronics
  • Motor Drive and Rectifier Circuits
  • Industrial Power Conversion Equipment
  • High-Speed Fault Current Interruption
  • DIN Rail and Busbar-Mounted Fuse Systems

Why Bussmann?

Eaton Bussmann series high-speed fuses are engineered to deliver dependable, code-compliant protection for sensitive semiconductor and power electronics equipment. With IEC rated and CE marked construction, the Class aR design and DIN 43 620 square body format ensure the 170M4239 integrates into standardized fuse holder systems while delivering the current-limiting performance industrial power circuits demand.

Manufacturer Resources

Product Specs

Amperage Rating:
200 A
Application:
semiconductor protection
Certifications:
IEC Rated
Class:
Class aR
Clearing I2t:
22500 at 1000 V, 30000 at 1250 V
Compliances:
CE Marked
Fuse Indicator:
Other
Fuse Shape:
Square body, slotted center bolted tags
Insulated Metal Gripping Lugs Imgl:
No
Interrupt Rating:
100 kAIC
Mounting Method:
DIN 43 620
Packaging Type:
Standard
Pre Arc I2t:
3800
Product Height:
67 mm
Product Length Depth:
284 mm
Product Weight:
223.6666667 g
Product Width:
175 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
1250 V
Voltage Type:
AC
Watt Losses:
50 W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M4239 – Frequently Asked Questions

How fast can I get the Bussmann 170M4239 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 170M4239 come with a warranty?
Absolutely. The Bussmann 170M4239 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 170M4239?
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 170M4239 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.
!