Bussmann 170M3987 High Speed S...
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Bussmann 170M3987 High Speed Square Body Fuse, Class aR, 200A

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Model: 170M3987

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

$835.44
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Bussmann 170M3987 High Speed Square Body Fuse, Class aR, 200A

The Bussmann 170M3987 is an Eaton Bussmann series high speed square body fuse engineered for semiconductor protection, rated 200A with a voltage rating of 700V (UL) and 690V (IEC) and a 150 kAIC interrupting rating. Built to DIN 43 620 dimensions with a square body and slotted center bolted tags, this Class aR fuse is designed for accompanied (back-up) protection of power semiconductor devices. A top fuse status indicator provides at-a-glance visual confirmation of fuse condition, and the fuse carries UL Recognized and CE Marked compliance.

Key Features

  • Amperage Rating: 200A high speed fuse for demanding semiconductor protection applications.
  • Voltage Rating: 700V (UL), 690V (IEC), with a 1000V AC voltage rating for broad application coverage.
  • Interrupting Rating: 150 kAIC high speed interrupting capacity for fast clearing of fault currents.
  • Fuse Shape: Square body construction with slotted center bolted tags, built to DIN 43 620 dimensions.
  • Status Indicator: Top fuse status indicator allows quick visual verification of fuse condition.
  • Utilization Category: Class aR, accompanied semiconductor protection.
  • Clearing Characteristics: Clearing I2t of 29500 at 1000V and Pre-Arc I2t of 4950.
  • Watt Losses: 48W rated power dissipation.

Certifications & Compliance

  • UL Recognized
  • CE Marked

Technical Specifications

  • Amperage Rating: 200 A
  • Application: Semiconductor Protection
  • Certifications: UL Recognized
  • Clearing I2t: 29500 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: 4950
  • Product Height: 65 mm
  • Product Length/Depth: 305 mm
  • Product Weight: 319 g
  • Product Width: 145 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 1000 V
  • Voltage Type: AC
  • Watt Losses: 48 W

Typical Applications

  • Semiconductor Device Protection
  • Accompanied (Back-Up) Protection for Power Semiconductors
  • Industrial Power Electronics and Rectifier Circuits
  • High Speed Fuse Applications Requiring Class aR Protection

Why Bussmann?

Bussmann by Eaton builds the 170M3987 high speed square body fuse to DIN 43 620 dimensions with UL Recognized and CE Marked compliance, giving electrical professionals a fuse engineered for reliable, code-compliant semiconductor protection. The Class aR utilization category and top fuse status indicator support fast fault clearing and easy field verification in demanding power electronics environments.

Manufacturer Resources

Product Specs

Amperage Rating:
200 A
Application:
semiconductor protection
Certifications:
UL Recognized
Class:
Class aR
Clearing I2t:
29500 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:
4950
Product Height:
65 mm
Product Length Depth:
305 mm
Product Weight:
319 g
Product Width:
145 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
1000 V
Voltage Type:
AC
Watt Losses:
48 W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M3987 – Frequently Asked Questions

How fast can I get the Bussmann 170M3987 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 170M3987 come with a warranty?
Absolutely. The Bussmann 170M3987 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 170M3987?
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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