Bussmann 170M8641 Eaton Series...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$2,906.03
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Bussmann 170M8641 Eaton Series High-Speed Square Body Fuse, Class aR, 1250A

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Model: 170M8641

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

$2,906.03
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Bussmann 170M8641 Eaton Series High-Speed Square Body Fuse, Class aR, 1250A

The Bussmann 170M8641 is an Eaton Bussmann series high-speed square body fuse engineered for demanding semiconductor protection applications. Rated 1250A at 1000V AC with a 125 kAIC interrupt rating, this Class aR (accompanied semiconductor protection) fuse features a DIN 43 620 square body design with slotted center bolted tags and a top fuse status indicator for quick visual verification. Built to IEC standards and CE marked, it delivers precise high-speed clearing performance for rectifiers, converters, and other semiconductor-based power electronics.

Key Features

  • Amperage & Voltage Rating: Rated 1250A at 1000V AC for high-capacity semiconductor circuit protection.
  • Interrupt Rating: 125 kAIC short-circuit interrupt rating supports demanding industrial power systems.
  • Square Body Construction: Square body fuse shape with slotted center bolted tags per DIN 43 620 for standardized mounting.
  • Class aR High-Speed Design: Utilization category aR (accompanied semiconductor protection) delivers high-speed clearing to safeguard sensitive semiconductor devices.
  • Top Fuse Status Indicator: Visual blown-fuse indicator allows quick identification without de-energizing the circuit.
  • I2t Ratings: Pre-arc I2t of 575,000 and clearing I2t of 3,400,000 at 1000V provide precise coordination with semiconductor devices.
  • Watt Loss: Rated 175W power dissipation.
  • Compact Footprint: Measures 168 mm (L) x 95 mm (W) x 76 mm (H) and weighs 1312 g.

Certifications & Compliance

  • IEC Rated
  • CE Marked

Technical Specifications

  • Amperage Rating: 1250 A
  • Application: semiconductor protection
  • Certifications: IEC Rated
  • Clearing I2t: 3400000 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: 575000
  • Product Height: 76 mm
  • Product Length Depth: 168 mm
  • Product Weight: 1312 g
  • Product Width: 95 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 1000 V
  • Voltage Type: AC
  • Watt Losses: 175 W

Typical Applications

  • Semiconductor Device Protection (Rectifiers, Thyristors, Power Electronics)
  • Industrial and Commercial Power Distribution Systems
  • High-Speed Circuit Protection for Motor Drives and Converters
  • OEM Equipment Requiring DIN 43620 Square Body Fuses

Why Bussmann?

Eaton Bussmann series fuses are engineered for reliable, code-compliant performance in demanding industrial power protection applications. The 170M8641 combines IEC-rated construction, CE marking, and precise I2t coordination data to help engineers protect semiconductor equipment with confidence. Its DIN 43 620 square body design and top fuse status indicator support fast, straightforward installation and maintenance in professional electrical systems.

Manufacturer Resources

Product Specs

Amperage Rating:
1250 A
Application:
semiconductor protection
Certifications:
IEC Rated
Class:
Class aR
Clearing I2t:
3400000 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:
125 kAIC
Mounting Method:
DIN 43 620
Packaging Type:
Standard
Pre Arc I2t:
575000
Product Height:
76 mm
Product Length Depth:
168 mm
Product Weight:
1312 g
Product Width:
95 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
1000 V
Voltage Type:
AC
Watt Losses:
175 W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M8641 – Frequently Asked Questions

How fast can I get the Bussmann 170M8641 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 170M8641 come with a warranty?
Absolutely. The Bussmann 170M8641 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 170M8641?
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 170M8641 from ZenSupply?
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