Bussmann 170M5981 Eaton Series...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,014.21
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Bussmann 170M5981 Eaton Series High-Speed Square Body Fuse, 250A Class aR

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Model: 170M5981

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

$1,014.21
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Bussmann 170M5981 Eaton Series High-Speed Square Body Fuse, 250A Class aR

The Bussmann 170M5981 is an Eaton Bussmann series high-speed square body fuse rated 250A at 1000V AC with a 150 kAIC interrupting rating, engineered to Class aR utilization for accompanied semiconductor protection. Built to the DIN 43 620 standard with a square body and slotted center bolted tags, this fuse features a top fuse status indicator for quick visual confirmation of fuse condition, making it well suited for power electronics, drive systems, and other high-speed protection applications where precise current limiting is required.

Key Features

  • Amperage & Voltage Rating: 250A at 1000V AC for demanding semiconductor protection circuits.
  • Interrupting Rating: 150 kAIC for reliable performance under high fault-current conditions.
  • Square Body Construction: Slotted center bolted tags per DIN 43 620 for secure, standardized mounting.
  • Top Fuse Status Indicator: Provides at-a-glance confirmation of fuse condition without disconnecting circuits.
  • Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection of semiconductor devices.
  • Current-Limiting Performance: Pre-arc I2t of 6750 and clearing I2t of 40000 at 1000V for fast, predictable clearing.
  • Watt Losses: 65W rated power dissipation for accurate thermal system design.

Certifications & Compliance

  • UL Recognized
  • CE Marked

Technical Specifications

  • Amperage Rating: 250 A
  • Application: semiconductor protection
  • Certifications: UL Recognized
  • Clearing I2t: 40000 at 1000 V
  • Compliances: CE Marked
  • Fuse Shape: Square body, slotted center bolted tags
  • Insulated Metal Gripping Lugs (IMGL): No
  • Packaging Type: Standard
  • Pre Arc I2t: 6750
  • Product Height: 67 mm
  • Product Length Depth: 284 mm
  • Product Weight: 835.3333333 g
  • Product Width: 175 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 1000 V
  • Voltage Type: AC
  • Watt Losses: 65 W

Typical Applications

  • Semiconductor Protection Circuits
  • Power Electronics and Drive Systems
  • Industrial Motor and Rectifier Protection
  • High-Speed Current-Limiting Circuit Protection
  • Panelboard and Switchgear Installations Requiring Class aR Fuses

Why Bussmann?

Bussmann by Eaton engineers this high-speed square body fuse to the DIN 43 620 standard, delivering the 150 kAIC interrupting rating and Class aR utilization that semiconductor protection applications demand. With UL Recognized and CE Marked compliance backing its construction, the 170M5981 offers the coordinated, current-limiting performance electrical professionals rely on for dependable, code-compliant protection in demanding industrial environments.

Manufacturer Resources

Product Specs

Amperage Rating:
250 A
Application:
semiconductor protection
Certifications:
UL Recognized
Class:
Class aR
Clearing I2t:
40000 at 1000 V
Compliances:
CE Marked
Fuse Indicator:
Top fuse status indicator
Fuse Shape:
Square body, slotted center bolted tags
Insulated Metal Gripping Lugs Imgl:
No
Interrupt Rating:
150 kAIC
Mounting Method:
DIN 43 620
Packaging Type:
Standard
Pre Arc I2t:
6750
Product Height:
67 mm
Product Length Depth:
284 mm
Product Weight:
835.3333333 g
Product Width:
175 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
1000 V
Voltage Type:
AC
Watt Losses:
65 W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M5981 – Frequently Asked Questions

How fast can I get the Bussmann 170M5981 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 170M5981 come with a warranty?
Absolutely. The Bussmann 170M5981 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 170M5981?
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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