Bussmann 170M4211 Eaton High-S...
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Bussmann 170M4211 Eaton High-Speed Square Body Fuse, 350A Class aR

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Model: 170M4211

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

$1,106.11
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Bussmann 170M4211 Eaton High-Speed Square Body Fuse, 350A Class aR

The Bussmann 170M4211 is an Eaton Bussmann series high-speed square body fuse built for demanding semiconductor protection applications, rated 700V (UL) and 690V (IEC) AC with a 350A rating and a 200 kAIC interrupt rating. Configured with blade end x blade end termination and a top fuse status indicator, this Class aR (accompanied semiconductor protection) fuse meets DIN 43 620 dimensional standards for reliable fit in high-speed protection assemblies. It is engineered to safeguard sensitive semiconductor devices, rectifiers, and power conversion equipment from damaging overcurrent conditions.

Key Features

  • Voltage Rating: 700V (UL) / 690V (IEC) AC for use in high-voltage industrial power circuits.
  • Amperage Rating: 350A high-speed fuse designed for precise, fast-acting overcurrent protection.
  • Interrupt Rating: 200 kAIC delivers dependable short-circuit interrupting performance.
  • Utilization Category: Class aR (accompanied semiconductor protection) purpose-built for semiconductor protection duty.
  • Fuse Shape: Square body with slotted center bolted tags and blade end x blade end connections for secure mounting.
  • Top Fuse Status Indicator: Provides a quick visual check of fuse condition without disassembly.
  • Standard: DIN 43 620 compliant square body dimensions for standardized fuse holder compatibility.
  • Electrical Characteristics: Pre-arc I2t of 3100, clearing I2t of 91500 at 660V, and clearing loss of 60 for predictable fast-clearing performance.

Certifications & Compliance

  • IEC Rated
  • CE Marked

Technical Specifications

  • Amperage Rating: 350 A
  • Application: semiconductor protection
  • Certifications: IEC Rated
  • Clearing I2t: 91500 at 660 V
  • Clearing Loss: 60
  • Compliances: CE Marked
  • Fuse Shape: Square body, slotted center bolted tags
  • Insulated Metal Gripping Lugs (Imgl): No
  • Packaging Type: Standard
  • Pre Arc I2t: 3100
  • Product Height: 62 mm
  • Product Length Depth: 245 mm
  • Product Weight: 165.3333333 g
  • Product Width: 142 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 690 V
  • Voltage Type: AC

Typical Applications

  • Semiconductor Protection
  • Power Distribution Systems
  • Rectifier and Motor Drive Circuits
  • Industrial Electrical Equipment
  • High-Speed Overcurrent Protection Assemblies

Why Bussmann?

Bussmann by Eaton engineers the 170M4211 with a rugged square body construction, DIN 43 620 compliant dimensions, and a top fuse status indicator for fast field verification. Backed by IEC rating and CE marking, this high-speed fuse delivers the fast-clearing, code-compliant overcurrent protection semiconductor and power conversion applications depend on.

Manufacturer Resources

Product Specs

Amperage Rating:
350 A
Application:
semiconductor protection
Certifications:
IEC Rated
Class:
Class aR
Clearing I2t:
91500 at 660 V
Clearing Loss:
60
Compliances:
CE Marked
Connection:
Blade end x blade end
Fuse Indicator:
Top fuse status indicator
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:
3100
Product Height:
62 mm
Product Length Depth:
245 mm
Product Weight:
165.3333333 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 170M4211 – Frequently Asked Questions

How fast can I get the Bussmann 170M4211 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 170M4211 come with a warranty?
Absolutely. The Bussmann 170M4211 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 170M4211?
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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