Bussmann 170M6745 Eaton Series...
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Bussmann 170M6745 Eaton Series High-Speed Square Body Fuse, Class aR

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Model: 170M6745

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

$1,844.64
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Bussmann 170M6745 Eaton Series High-Speed Square Body Fuse, Class aR

The Bussmann 170M6745 is an Eaton series high-speed square body fuse engineered for semiconductor protection, rated 700V (UL) / 690V (IEC) and 700A with a 100 kAIC interrupting rating. Built to Utilization Category Class aR (accompanied semiconductor protection), this fuse delivers the fast clearing characteristics required to safeguard power semiconductors, drives, and converters in demanding industrial power electronics circuits. The square body design with center bolted tags simplifies busbar-style mounting in high-current assemblies.

Key Features

  • Amperage Rating: 700A for high-current semiconductor circuit protection.
  • Voltage Rating: 700V (UL), 690V (IEC), with a 1250V AC rated construction for demanding power electronics applications.
  • Utilization Category: Class aR, accompanied semiconductor protection, for fast clearing ahead of solid-state device failure.
  • Interrupting Rating: 100 kAIC for reliable operation in high fault-current environments.
  • Fuse Shape: Square body construction with center bolted tags for simplified busbar mounting.
  • Clearing I²t: 705,000 at 1000V and 940,000 at 1250V for predictable let-through energy.
  • Pre-Arc I²t: 115,000 for coordinated protection with upstream and downstream devices.
  • Watt Losses: 120W rated power dissipation.

Certifications & Compliance

  • UL Recognized
  • CE Marked

Technical Specifications

  • Amperage Rating: 700 A
  • Application: semiconductor protection
  • Certifications: UL Recognized
  • Clearing I2t: 705000 at 1000 V, 940000 at 1250 V
  • Compliances: CE Marked
  • Fuse Shape: Square body, center bolted tags
  • Insulated Metal Gripping Lugs (Imgl): No
  • Packaging Type: Standard
  • Pre Arc I2t: 115000
  • Product Height: 76 mm
  • Product Length Depth: 168 mm
  • Product Weight: 1.298 g
  • Product Width: 95 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 1250 V
  • Voltage Type: AC
  • Watt Losses: 120 W

Typical Applications

  • Semiconductor Device Protection
  • Variable Frequency Drives and Power Converters
  • Industrial Motor Control Systems
  • High Fault-Current Industrial Circuits

Why Bussmann?

Bussmann by Eaton engineers the 170M6745 with UL Recognized and CE Marked compliance, a square body, center-bolted-tag construction, and a Class aR utilization rating built for accompanied semiconductor protection. For professionals specifying fast-clearing, high-interrupting-capacity fuses in power electronics and industrial drive systems, this construction delivers dependable, code-aware performance.

Manufacturer Resources

Product Specs

Amperage Rating:
700 A
Application:
semiconductor protection
Certifications:
UL Recognized
Class:
Class aR
Clearing I2t:
705000 at 1000 V, 940000 at 1250 V
Compliances:
CE Marked
Fuse Indicator:
Other
Fuse Shape:
Square body, center bolted tags
Insulated Metal Gripping Lugs Imgl:
No
Interrupt Rating:
100 kAIC
Packaging Type:
Standard
Pre Arc I2t:
115000
Product Height:
76 mm
Product Length Depth:
168 mm
Product Weight:
1.298 g
Product Width:
95 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
1250 V
Voltage Type:
AC
Watt Losses:
120 W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M6745 – Frequently Asked Questions

How fast can I get the Bussmann 170M6745 delivered?
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Can I return it if it doesn’t work for me?
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Does the Bussmann 170M6745 come with a warranty?
Absolutely. The Bussmann 170M6745 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 170M6745?
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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