Bussmann 170E High-Speed Squar...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,573.10

Bussmann 170E High-Speed Square Body Fuse, Class aR, 350A, 800V

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Model: 170E6139

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

$1,573.10
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Bussmann High-Speed Square Body Fuse, Class aR, 350A, 800V

The Bussmann High-Speed Square Body Fuse is an Eaton Bussmann series Class aR fuse engineered for accompanied semiconductor protection in demanding AC power circuits. Featuring a square body design with center bolted tags, this fuse is rated 350A at 800V AC with a 50 kAIC interrupting rating, and includes a top-mounted fuse status indicator for quick visual verification. Purpose-built for diode protection applications, it delivers fast-acting overcurrent protection where semiconductor components require precise coordination.

Key Features

  • Compact Square Body Footprint: Measures 175 mm wide x 65 mm high x 280 mm deep for predictable panel and enclosure fitment.
  • Center Bolted Tags: Square body construction with center bolted tags for secure, low-resistance electrical connections.
  • Class aR Utilization Category: Rated for accompanied semiconductor protection, delivering high-speed response for sensitive power electronics.
  • Electrical Rating: 350A at 800V AC with a 50 kAIC interrupting rating for reliable overcurrent protection in demanding circuits.
  • Top Fuse Status Indicator: Built-in top-mounted indicator provides fast visual confirmation of fuse condition without de-energizing the circuit.
  • Diode Protection Application: Engineered specifically to protect diodes and semiconductor devices from damaging overcurrent conditions.

Technical Specifications

  • Voltage Type: AC
  • Voltage Rating: 800V
  • Product Width: 175 mm
  • Product Height: 65 mm
  • Product Length Depth: 280 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Fuse Shape: Square body, center bolted tags
  • Packaging Type: Standard
  • Application: diode protection
  • Insulated Metal Gripping Lugs Imgl: No
  • Compliances: Contact factory

Typical Applications

  • Semiconductor and Diode Protection Circuits
  • Industrial Power Electronics and Rectifier Assemblies
  • High-Speed Overcurrent Protection in AC Power Systems
  • Panelboard and Switchgear Fuse Installations

Why Bussmann?

Bussmann by Eaton engineers its Class aR square body fuses with center bolted tags and a top status indicator to give electrical professionals fast, reliable protection for semiconductor and diode circuits. The 350A, 800V, 50 kAIC rating combination is built for accompanied semiconductor protection where high-speed response and dependable performance are essential for code-compliant, professional installations.

Manufacturer Resources

Product Specs

Product Group:
Fuses
Class:
Class aR
Voltage Type:
AC
Product Width:
175 mm
Utilization Category:
aR (accompanied semiconductor protection)
Packaging Type:
Standard
Product Type:
Fuse
Interrupt Rating:
50 kAIC
Fuse Shape:
Square body, center bolted tags
Product Height:
65 mm
Product Details:
Fuse
Application:
diode protection
Insulated Metal Gripping Lugs Imgl:
No
Product Subgroup:
Other Fuses
Compliances:
Contact factory
Product Length Depth:
280 mm
Department:
Electrical
Fuse Indicator:
Top fuse status indicator
Voltage Rating:
800V

Bussmann 170E6139 – Frequently Asked Questions

How fast can I get the Bussmann 170E6139 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 170E6139 come with a warranty?
Absolutely. The Bussmann 170E6139 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 170E6139?
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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