Bussmann 170M3566 High-Speed S...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$870.53
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Bussmann 170M3566 High-Speed Square Body Fuse, Class aR, 250A

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Model: 170M3566

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

$870.53
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Bussmann 170M3566 High-Speed Square Body Fuse, Class aR, 250A

The Bussmann 170M3566 is an Eaton Bussmann series high-speed square body fuse engineered for semiconductor protection in demanding power electronics applications. Rated 700V (UL) / 690V (IEC) at 250A with a 200 kAIC interrupting rating, this Class aR fuse features a square body design with flush end contacts for compact, high-density mounting. Its high-speed characteristic delivers fast current-limiting action to safeguard semiconductor devices such as SCRs and diodes from short-circuit damage. UL Recognized and CE Marked, the 170M3566 is built for accompanied semiconductor protection in industrial power conversion equipment.

Key Features

  • Dual Voltage Rating: 700V (UL) and 690V (IEC) rating supports both North American and international equipment designs.
  • 250A Amperage Rating: Delivers reliable overcurrent protection at 250A for semiconductor circuits.
  • 200 kAIC Interrupting Rating: High interrupting capacity suited to demanding fault-current environments.
  • Class aR High-Speed Design: Utilization category aR provides accompanied semiconductor protection alongside upstream overload devices.
  • Square Body, Flush End Contacts: Compact square-body construction with flush end contacts for space-saving panel and bus-bar mounting.
  • Fast Clearing Performance: Pre-arc I2t of 4200 and clearing I2t of 28500 at 660V for precise current-limiting coordination.
  • Low Watt Losses: Rated at 60W watt loss for efficient thermal performance in continuous operation.

Certifications & Compliance

  • UL Recognized
  • CE Marked

Technical Specifications

  • Amperage Rating: 250 A
  • Application: semiconductor protection
  • Certifications: UL Recognized
  • Clearing I2t: 28500 at 660 V
  • Compliances: CE Marked
  • Fuse Shape: Square body, flush end contacts
  • Insulated Metal Gripping Lugs (IMGL): No
  • Packaging Type: Standard
  • Pre-Arc I2t: 4200
  • Product Height: 47 mm
  • Product Length/Depth: 193 mm
  • Product Weight: 266.6666667 g
  • Product Width: 106 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 690 V
  • Voltage Type: AC
  • Watt Losses: 60 W

Typical Applications

  • Semiconductor Protection in Power Electronics
  • Variable Frequency Drives and Motor Controls
  • Rectifier and Converter Circuits
  • Industrial Power Conversion Equipment
  • SCR and Diode Branch Circuit Protection

Why Bussmann?

Eaton Bussmann series fuses are engineered for precise, repeatable performance in critical semiconductor protection applications. The 170M3566's square body, flush-contact design, UL Recognized and CE Marked compliance, and defined I2t characteristics make it a dependable choice for coordinated overcurrent protection in professional power electronics installations.

Manufacturer Resources

Product Specs

Amperage Rating:
250 A
Application:
semiconductor protection
Certifications:
UL Recognized
Class:
Class aR
Clearing I2t:
28500 at 660 V
Compliances:
CE Marked
Fuse Indicator:
Other
Fuse Shape:
Square body, flush end contacts
Insulated Metal Gripping Lugs Imgl:
No
Interrupt Rating:
200 kAIC
Mounting Method:
Flush
Packaging Type:
Standard
Pre Arc I2t:
4200
Product Height:
47 mm
Product Length Depth:
193 mm
Product Weight:
266.6666667 g
Product Width:
106 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
690 V
Voltage Type:
AC
Watt Losses:
60 W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M3566 – Frequently Asked Questions

How fast can I get the Bussmann 170M3566 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 170M3566 come with a warranty?
Absolutely. The Bussmann 170M3566 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 170M3566?
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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