Bussmann 170M8617 Square Body ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,594.01

Bussmann 170M8617 Square Body High Speed Fuse, Class aR, 450A

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Model: 170M8617
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$1,594.01
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Bussmann 170M8617 Square Body High Speed Fuse, Class aR, 450A

The Bussmann 170M8617 is a Class aR high speed fuse built in a square body configuration for protecting semiconductor equipment in demanding power applications. Rated 450A RMS with a 125 kAIC interrupt rating, this fuse is engineered for DC common bus systems, DC drives, power converters/rectifiers, and reduced voltage starters. It is UL Recognized and IEC Rated, with RoHS compliance and CE marking supporting global specification.

Key Features

  • Amperage Rating: 450A RMS current rating delivers reliable overcurrent protection in high-power DC circuits.
  • Fast-Acting Protection: Class aR high speed fuse design provides rapid clearing to safeguard sensitive semiconductor components.
  • Interrupt Rating: 125 kAIC interrupt rating supports use in high fault-current power systems.
  • Square Body Construction: Compact square body form factor simplifies installation in standard fuse blocks.
  • Mounting: DIN 43 620 blade-style mounting for secure, standardized connection.
  • Clearing Characteristics: Pre-arc I2t of 27000 and clearing I2t of 160000 at 1000V for predictable current-limiting performance.
  • Watt Losses: 107W watt loss rating for efficient thermal performance.

Certifications & Compliance

  • UL Recognized
  • IEC Rated
  • RoHS Compliant
  • CE Marked

Technical Specifications

  • Amperage Rating: 450A
  • Application: DC common bus, DC drives, power converters/rectifiers, reduced voltage starters
  • Class: Class aR
  • Clearing I2t: Clearing at 1000V: 160000
  • Current Rating: 450A RMS
  • Fuse Indicator: Non Indicating
  • Interrupt Rating: 125 kAIC
  • Packaging Type: Standard
  • Pre Arc I2t: 27000
  • Watt Losses: 107W
  • Product Type: Square body, -KN/110 type K indictator for micro
  • Product Length: 5.433 IN
  • Product Details: Square body, -KN/110 type K indictator for micro
  • Mounting Method: Din 43 620 blade style
  • Product Height: 2.087 IN
  • Product Weight: 1.6456 LB
  • Product Width: .315 IN

Typical Applications

  • DC Common Bus Protection
  • DC Drive Systems
  • Power Converters and Rectifiers
  • Reduced Voltage Starters
  • Semiconductor Equipment Protection

Why Bussmann?

Bussmann fuses are engineered for dependable overcurrent protection in demanding industrial power applications. The 170M8617's Class aR high speed design, 125 kAIC interrupt rating, and UL Recognized, IEC Rated construction make it a trusted choice for protecting DC drives, converters, and semiconductor-based equipment where fast, predictable clearing is critical.

Manufacturer Resources

Product Specs

Amperage Rating:
450A
Class:
Class aR
Clearing I2t:
Clearing at 1000V: 160000
Current Rating:
450A RMS
Fuse Indicator:
Non Indicating
Interrupt Rating:
125 kAIC
Packaging Type:
Standard
Pre Arc I2t:
27000
Watt Losses:
107W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Square Body Fuses
Product Type:
Square body, -KN/110 type K indictator for micro
Product Length:
5.433 IN
Product Details:
Square body, -KN/110 type K indictator for micro
Mounting Method:
Din 43 620 blade style
Product Height:
2.087 IN
Product Weight:
1.6456 LB
Product Width:
.315 IN

Bussmann 170M8617 – Frequently Asked Questions

How fast can I get the Bussmann 170M8617 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 170M8617 come with a warranty?
Absolutely. The Bussmann 170M8617 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 170M8617?
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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