Bussmann 170M5442 Eaton Series...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,699.28
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Bussmann 170M5442 Eaton Series High-Speed Square Body Fuse, Class aR, 400A, 700V

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Model: 170M5442

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

$1,699.28
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Bussmann 170M5442 Eaton Series High-Speed Square Body Fuse, Class aR, 400A, 700V

The Bussmann 170M5442 is an Eaton Bussmann series high-speed square body fuse engineered for semiconductor protection in demanding industrial power electronics. Rated 400A with a voltage rating of 700V (UL) and 690V (IEC), this Class aR fuse delivers a 100 kAIC interrupt rating with a square body and flush end contacts for reliable, high-speed fault clearing in accompanied semiconductor protection duty.

Key Features

  • Amperage Rating: 400A rated current for high-capacity semiconductor circuit protection.
  • Voltage Rating: 700V (UL) / 690V (IEC) rated voltage suited to both UL and IEC-compliant power systems.
  • Interrupt Rating: 100 kAIC interrupt capacity for high fault-current industrial environments.
  • Fuse Shape: Square body construction with flush end contacts for compact, high-density panel mounting.
  • Utilization Category: Class aR (accompanied semiconductor protection) per IEC utilization category standards.
  • Application: Purpose-built for semiconductor protection duty.
  • Watt Losses: 85W power loss rating.

Certifications & Compliance

  • IEC Rated
  • CE Marked
  • UL Rated (700V)

Technical Specifications

  • Amperage Rating: 400 A
  • Application: semiconductor protection
  • Certifications: IEC Rated
  • Clearing I2t: 140000 at 1000 V, 180000 at 1250 V
  • Compliances: CE Marked
  • Fuse Shape: Square body, flush end contacts
  • Insulated Metal Gripping Lugs (IMGL): No
  • Packaging Type: Standard
  • Pre Arc I2t: 23000
  • Product Height: 60 mm
  • Product Length Depth: 92 mm
  • Product Weight: 818 g
  • Product Width: 163 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 1250 V
  • Voltage Type: AC
  • Watt Losses: 85 W

Typical Applications

  • Semiconductor Device Protection
  • Power Electronics and Converter Circuits
  • Industrial Rectifier and Drive Systems
  • High-Speed Fault Current Interruption
  • Accompanied Semiconductor Protection Schemes

Why Bussmann?

The Eaton Bussmann series 170M5442 pairs CE marked, IEC rated construction with a 100 kAIC interrupt rating and Class aR utilization category to deliver dependable, code-compliant semiconductor protection for demanding industrial power conversion equipment. Its square body, flush end-contact design and documented pre-arc and clearing I2t values give engineers the data needed for precise coordination in high-speed protection schemes, making the 170M5442 a trusted choice for professional electrical and power electronics installations.

Manufacturer Resources

Product Specs

Amperage Rating:
400 A
Application:
semiconductor protection
Certifications:
IEC Rated
Class:
Class aR
Clearing I2t:
140000 at 1000 V, 180000 at 1250 V
Compliances:
CE Marked
Fuse Indicator:
Other
Fuse Shape:
Square body, flush end contacts
Insulated Metal Gripping Lugs Imgl:
No
Interrupt Rating:
100 kAIC
Mounting Method:
Flush
Packaging Type:
Standard
Pre Arc I2t:
23000
Product Height:
60 mm
Product Length Depth:
92 mm
Product Weight:
818 g
Product Width:
163 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
1250 V
Voltage Type:
AC
Watt Losses:
85 W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M5442 – Frequently Asked Questions

How fast can I get the Bussmann 170M5442 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 170M5442 come with a warranty?
Absolutely. The Bussmann 170M5442 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 170M5442?
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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