Bussmann 170M3769 Eaton Series...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$952.40
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Bussmann 170M3769 Eaton Series High-Speed Square Body Fuse, Class aR

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Model: 170M3769

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

$952.40
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Bussmann 170M3769 Eaton Series High-Speed Square Body Fuse, Class aR

The Bussmann 170M3769 is an Eaton series high-speed square body fuse engineered for semiconductor protection in demanding industrial power circuits. Rated 400A at 700V (UL) and 690V (IEC) with a 200 kAIC interrupting rating, this Class aR (accompanied semiconductor protection) fuse delivers fast, coordinated clearing for power electronics and drive applications. The square body design features center bolted tags with blade end x blade end terminals for secure, low-resistance connections in high-current circuits.

Key Features

  • Amperage & Voltage Rating: 400A rated at 700V (UL) / 690V (IEC) for high-current semiconductor protection circuits.
  • Interrupting Rating: 200 kAIC provides high-speed clearing for demanding fault-current conditions.
  • Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection of power semiconductors.
  • Construction: Square body fuse shape with center bolted tags and blade end x blade end terminal configuration.
  • I2t Characteristics: Pre-arc I2t of 15000 A²s and clearing I2t of 105000 A²s at 660V for precise coordination.
  • Watt Losses: 60W rated power dissipation.
  • Compact Dimensions: 92mm length/depth x 163mm width x 60mm height, weighing 175.5g.

Certifications & Compliance

  • UL Recognized
  • CE Marked

Technical Specifications

  • Amperage Rating: 400 A
  • Application: semiconductor protection
  • Certifications: UL Recognized
  • Clearing I2t: 105000 at 660 V
  • Compliances: CE Marked
  • Fuse Shape: Square body, center bolted tags
  • Insulated Metal Gripping Lugs (IMGL): No
  • Packaging Type: Standard
  • Pre Arc I2t: 15000
  • Product Height: 60 mm
  • Product Length Depth: 92 mm
  • Product Weight: 175.5 g
  • Product Width: 163 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 690 V
  • Voltage Type: AC
  • Watt Losses: 60 W

Typical Applications

  • Semiconductor Protection
  • Power Converter and Rectifier Circuits
  • Motor Drive and Industrial Power Electronics
  • High-Speed Fuse Coordination in Industrial Systems

Why Bussmann?

Bussmann by Eaton engineers high-speed fuses for the demanding protection requirements of power semiconductors and industrial drive systems. The 170M3769's Class aR utilization category, 200 kAIC interrupting rating, and UL Recognized, CE Marked construction reflect the reliability and code-compliant performance professionals expect from Eaton Bussmann series fuses.

Manufacturer Resources

Product Specs

Amperage Rating:
400 A
Application:
semiconductor protection
Certifications:
UL Recognized
Class:
Class aR
Clearing I2t:
105000 at 660 V
Compliances:
CE Marked
Connection:
Blade end x blade end
Fuse Indicator:
Other
Fuse Shape:
Square body, center bolted tags
Insulated Metal Gripping Lugs Imgl:
No
Interrupt Rating:
200 kAIC
Packaging Type:
Standard
Pre Arc I2t:
15000
Product Height:
60 mm
Product Length Depth:
92 mm
Product Weight:
175.5 g
Product Width:
163 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 170M3769 – Frequently Asked Questions

How fast can I get the Bussmann 170M3769 delivered?
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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 170M3769 come with a warranty?
Absolutely. The Bussmann 170M3769 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 170M3769?
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