Bussmann 170M4269 High Speed S...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,432.58
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Bussmann 170M4269 High Speed Square Body Fuse, Class aR, 900A

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Model: 170M4269

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

$1,432.58
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Bussmann 170M4269 High Speed Square Body Fuse, Class aR, 900A

The Bussmann 170M4269 is an Eaton Bussmann series high speed square body fuse built for demanding power semiconductor protection, rated 1250V (IEC) / 1300V (UL) with a 900A amperage rating and a 200 kAIC interrupt rating. Classified as a Class aR (accompanied semiconductor protection) fuse, it features a square body design with slotted, center bolted tags and blade end X blade end terminals sized to the DIN 43 620 standard, making it a direct fit for high-speed protection of power converters, drives, and other semiconductor-based equipment.

Key Features

  • Amperage Rating: 900A for high-capacity circuit protection in demanding power electronics applications.
  • Voltage Rating: 1250V (IEC) / 1300V (UL), with a 690 V AC utilization voltage rating for the aR category.
  • Interrupt Rating: 200 kAIC, providing high fault-current withstand for robust protection.
  • Utilization Category: Class aR (accompanied semiconductor protection), designed to work alongside other overcurrent devices.
  • Fuse Shape: Square body construction with slotted, center bolted tags for a secure, low-resistance connection.
  • Terminal Style: Blade end X blade end configuration built to the DIN 43 620 dimensional standard.
  • I2t Characteristics: Pre-arc I2t of 155000 and clearing I2t of 850000 at 660 V for predictable coordination with upstream and downstream devices.
  • Clearing Loss: Rated clearing loss of 100.

Certifications & Compliance

  • IEC Rated
  • CE Marked

Technical Specifications

  • Amperage Rating: 900 A
  • Application: semiconductor protection
  • Certifications: IEC Rated
  • Clearing I2t : 850000 at 660 V
  • Clearing Loss: 100
  • Compliances: CE Marked
  • Fuse Shape: Square body, slotted center bolted tags
  • Insulated Metal Gripping Lugs Imgl : No
  • Packaging Type: Standard
  • Pre Arc I2t : 155000
  • Product Height: 62 mm
  • Product Length Depth: 245 mm
  • Product Weight: 503 g
  • Product Width: 142 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 690 V
  • Voltage Type: AC

Typical Applications

  • Power Semiconductor Protection
  • Variable Frequency Drives and Motor Controls
  • Power Conversion Equipment
  • Industrial Power Electronics
  • High-Speed Overcurrent Protection Systems

Why Bussmann?

Bussmann by Eaton engineers this high speed square body fuse with a slotted, center bolted tag design and DIN 43 620 blade end X blade end terminals for precise, repeatable installation in semiconductor protection circuits. Backed by IEC ratings and CE marking, the 170M4269 delivers the 200 kAIC interrupt rating and defined pre-arc/clearing I2t characteristics that professional electrical and power electronics teams rely on for coordinated, code-compliant protection.

Manufacturer Resources

Product Specs

Amperage Rating:
900 A
Application:
semiconductor protection
Certifications:
IEC Rated
Class:
Class aR
Clearing I2t:
850000 at 660 V
Clearing Loss:
100
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:
155000
Product Height:
62 mm
Product Length Depth:
245 mm
Product Weight:
503 g
Product Width:
142 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 170M4269 – Frequently Asked Questions

How fast can I get the Bussmann 170M4269 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 170M4269 come with a warranty?
Absolutely. The Bussmann 170M4269 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 170M4269?
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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