Bussmann 170M3768 Eaton High-S...
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Bussmann 170M3768 Eaton High-Speed Square Body Fuse, 350A Class aR

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Model: 170M3768

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

$952.40
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Bussmann 170M3768 Square Body Fuse, 350A Class aR

The Bussmann 170M3768 is an Eaton Bussmann series high-speed square body fuse engineered for demanding semiconductor protection applications. Rated 700V (UL) / 690V (IEC) with a 350A amperage rating and a 200 kAIC interrupting rating, this Class aR fuse features blade end x blade end terminations for accompanied semiconductor protection. Its square body, center-bolted-tag construction delivers fast, precise clearing performance in high fault-current industrial power electronics circuits.

Key Features

  • Amperage Rating: 350 A for high-current semiconductor protection circuits.
  • Voltage Rating: 700V (UL), 690V (IEC) for dual-standard system compatibility.
  • Interrupting Rating: 200 kAIC for reliable performance in high fault-current environments.
  • Fuse Shape: Square body, center bolted tags with blade end x blade end terminations.
  • Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection schemes.
  • Clearing I²t: 68500 at 660 V for predictable let-through energy control.
  • Pre-Arc I²t: 10000 for precise semiconductor coordination.
  • Watt Losses: 55 W, AC voltage type.

Certifications & Compliance

  • UL Recognized
  • CE Marked

Technical Specifications

  • Amperage Rating: 350 A
  • Application: Semiconductor protection
  • Certifications: UL Recognized
  • Clearing I²t: 68500 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: 10000
  • Product Height: 60 mm
  • Product Length/Depth: 92 mm
  • Product Weight: 176 g
  • Product Width: 163 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 690 V
  • Voltage Type: AC
  • Watt Losses: 55 W

Typical Applications

  • Semiconductor Protection Circuits
  • Power Electronics and Variable Frequency Drives
  • Industrial Motor Control Systems
  • High-Speed Fault Current Interruption
  • Panelboard and Switchgear Protection

Why Bussmann?

Bussmann by Eaton engineers the 170M3768 with a UL Recognized, CE Marked square body design built for accurate, repeatable clearing performance in Class aR semiconductor protection duty. Precisely characterized pre-arc and clearing I²t values give engineers the coordination data needed for reliable, code-compliant protection of sensitive power electronics in professional industrial installations.

Manufacturer Resources

Product Specs

Amperage Rating:
350 A
Application:
semiconductor protection
Certifications:
UL Recognized
Class:
Class aR
Clearing I2t:
68500 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:
10000
Product Height:
60 mm
Product Length Depth:
92 mm
Product Weight:
176 g
Product Width:
163 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
690 V
Voltage Type:
AC
Watt Losses:
55 W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M3768 – Frequently Asked Questions

How fast can I get the Bussmann 170M3768 delivered?
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Does the Bussmann 170M3768 come with a warranty?
Absolutely. The Bussmann 170M3768 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 170M3768?
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