Bussmann 170M7489 Class aR Sem...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$8,673.48
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Bussmann 170M7489 Class aR Semiconductor Fuse, 4500A 400V

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Model: 170M7489

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

$8,673.48
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Bussmann 170M7489 Class aR Semiconductor Fuse, 4500A 400V

The Bussmann 170M7489 is a Class aR semiconductor protection fuse rated 4500A at 400V, engineered to safeguard power semiconductors such as SCRs and diodes from damaging overcurrent conditions. Classified under Utilization Category aR (accompanied semiconductor protection), this fuse is purpose-built for demanding industrial power electronics where fast, reliable current-limiting protection is critical. It is rated for AC voltage systems and ships in standard packaging for straightforward stocking.

Key Features

  • High-Capacity Rating: Rated 4500A at 400V for demanding power circuit protection duties.
  • Class aR Semiconductor Protection: Utilization Category aR (accompanied semiconductor protection) helps safeguard SCRs, diodes, and other power semiconductors from overcurrent damage.
  • AC Voltage Type: Rated for AC voltage systems.
  • Semiconductor Application: Purpose-built for semiconductor protection applications in industrial power electronics.
  • Standard Packaging: Ships in a standard packaging configuration for straightforward stocking and handling.

Technical Specifications

  • Amperage Rating: 2100 A
  • Application: semiconductor protection
  • Class: Class aR
  • Compliances: Contact factory
  • Fuse Indicator: Other
  • Insulated Metal Gripping Lugs (Imgl): No
  • Packaging Type: Standard
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 1500 V
  • Voltage Type: AC

Typical Applications

  • Power Semiconductor Protection (SCRs, Diodes, Thyristors)
  • Industrial Power Conversion Equipment
  • Motor Drive and Rectifier Circuits
  • High-Capacity Industrial Power Distribution
  • Power Electronics and Renewable Energy Systems

Why Bussmann?

Bussmann fuses are engineered to deliver dependable overcurrent protection for demanding industrial applications, and the 170M7489 continues that standard with its Class aR semiconductor protection design. Built for AC voltage systems and rated for high-capacity circuits, this fuse helps protect sensitive power semiconductor components from damaging fault currents. Choose Bussmann for consistent, application-specific fuse protection backed by proven engineering.

Manufacturer Resources

Product Specs

Amperage Rating:
2100 A
Application:
semiconductor protection
Class:
Class aR
Compliances:
Contact factory
Fuse Indicator:
Other
Insulated Metal Gripping Lugs Imgl:
No
Packaging Type:
Standard
Product Height:
116 mm
Product Length Depth:
202 mm
Product Weight:
746.4309952 g
Product Width:
140 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
1500 V
Voltage Type:
AC
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M7489 – Frequently Asked Questions

How fast can I get the Bussmann 170M7489 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 170M7489 come with a warranty?
Absolutely. The Bussmann 170M7489 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 170M7489?
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 170M7489 from ZenSupply?
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