Bussmann 170E9730 Class aR Sem...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$9,136.30
Image coming soon

Bussmann 170E9730 Class aR Semiconductor Fuse, 450A/4000V

(No reviews yet) Write a Review

Model: 170E9730

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

$9,136.30
Adding to cart… The item has been added
Free Shipping on orders over $199
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks

Bussmann 170E9730 Class aR Semiconductor Fuse, 450A/4000V

Bussmann's 170E9730 is a Class aR semiconductor protection fuse rated 450A at 4000V, built for industrial circuits that demand a high 100kAIC interrupt rating. Its square body design with slotted center bolted tags and a top fuse status indicator supports fast, accurate installation and condition checks in high-voltage power distribution and semiconductor protection systems.

Key Features

  • Amperage Rating: 450A rating supports high-current industrial power distribution circuits.
  • Voltage Rating: 4000V rating for high-voltage semiconductor protection applications.
  • Interrupt Rating: 100kAIC interrupting capacity for reliable performance under high fault-current conditions.
  • Utilization Category: Class aR (accompanied semiconductor protection) design, intended to protect semiconductor devices against short-circuit currents.
  • Fuse Shape: Square body with slotted center bolted tags for secure, compatible mounting.
  • Fuse Indicator: Top fuse status indicator provides quick visual confirmation of fuse condition.

Technical Specifications

  • Amperage Rating: 450 A
  • Class: Class aR
  • Compliances: Contact factory
  • Fuse Indicator: Top fuse status indicator
  • Fuse Shape: Square body, slotted center bolted tags
  • Interrupt Rating: 100 kAIC
  • Product Height: 90 mm
  • Product Length Depth: 76 mm
  • Product Weight: 7900 g
  • Product Width: 362 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 4000 V
  • Product Type: Fuse
  • Product Details: Fuse

Typical Applications

  • Semiconductor Device Protection (rectifiers, thyristors, power converters)
  • Industrial Power Distribution Systems
  • High-Voltage Motor Drive Circuits
  • Power Conversion and Rectifier Equipment
  • Panelboard and Switchgear Protection

Why Bussmann?

Bussmann engineers fuse protection built for demanding industrial environments, and the 170E9730's Class aR construction, 100kAIC interrupt rating, and 4000V/450A rating reflect that standard. With a top fuse status indicator for fast condition checks and a square body design built for secure mounting, this fuse supports reliable, code-compliant semiconductor protection for professional electrical installations.

Manufacturer Resources

Product Specs

Amperage Rating:
450 A
Class:
Class aR
Compliances:
Contact factory
Fuse Indicator:
Top fuse status indicator
Fuse Shape:
Square body, slotted center bolted tags
Interrupt Rating:
100 kAIC
Packaging Type:
Standard
Product Height:
90 mm
Product Length Depth:
76 mm
Product Weight:
7900 g
Product Width:
362 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
4000 V
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170E9730 – Frequently Asked Questions

How fast can I get the Bussmann 170E9730 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 170E9730 come with a warranty?
Absolutely. The Bussmann 170E9730 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 170E9730?
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 170E9730 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.