Bussmann 170M3173 Eaton Series...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$897.25
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Bussmann 170M3173 Eaton Series High-Speed Square Body Fuse, 630A Class aR

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Model: 170M3173

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

$897.25
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Bussmann 170M3173 Eaton Series High-Speed Square Body Fuse, 630A Class aR

The Bussmann 170M3173 is an Eaton Bussmann series high-speed square body fuse engineered for semiconductor protection in demanding industrial power circuits. Rated 700V (UL) / 690V (IEC) at 630A with a 200 kAIC interrupt rating, this Class aR fuse features blade end X blade end terminals per DIN 43 620 and a top fuse status indicator for quick visual verification of fuse condition. Its square body construction with slotted center bolted tags supports reliable, high-current connections in power electronics and rectifier assemblies where fast, coordinated clearing of fault current is essential.

Key Features

  • Amperage Rating: 630A for high-current semiconductor and power circuit protection.
  • Voltage Rating: 700V (UL) / 690V (IEC) for use in demanding industrial power systems.
  • Interrupt Rating: 200 kAIC to safely clear high fault currents.
  • Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection of power semiconductor devices.
  • Fuse Shape: Square body with slotted center bolted tags and blade end X blade end terminals for secure, low-resistance high-current connections.
  • Status Indicator: Top fuse status indicator gives a quick visual confirmation of fuse condition.
  • Let-Through Characteristics: Pre-arc I2t of 48500 and clearing I2t of 325000 at 660V, with a clearing loss of 80, for predictable current-limiting performance during a fault.
  • Dimensional Standard: Manufactured to DIN 43 620 dimensions for compatibility with standard high-speed fuse holders.

Certifications & Compliance

  • UL Recognized
  • CE Marked

Technical Specifications

  • Amperage Rating: 630 A
  • Application: semiconductor protection
  • Certifications: UL Recognized
  • Clearing I2t: 325000 at 660 V
  • Clearing Loss: 80
  • Compliances: CE Marked
  • Fuse Shape: Square body, slotted center bolted tags
  • Insulated Metal Gripping Lugs (IMGL): No
  • Packaging Type: Standard
  • Pre Arc I2t: 48500
  • Product Height: 65 mm
  • Product Length Depth: 305 mm
  • Product Weight: 341 g
  • Product Width: 145 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 690 V
  • Voltage Type: AC

Typical Applications

  • Semiconductor Device Protection
  • Power Electronics and Rectifier Circuits
  • High-Speed Industrial Power Distribution
  • Motor Drive and Converter Protection
  • Panelboard and Switchgear Fault Protection

Why Bussmann?

Bussmann by Eaton engineers high-speed fuses like the 170M3173 to deliver dependable current-limiting protection for sensitive semiconductor devices and power electronics. With UL Recognized and CE Marked compliance, precise pre-arc and clearing I2t characteristics, and DIN 43 620 compatibility, this square body fuse gives professionals a trusted, code-compliant solution for industrial power protection.

Manufacturer Resources

Product Specs

Amperage Rating:
630 A
Application:
semiconductor protection
Certifications:
UL Recognized
Class:
Class aR
Clearing I2t:
325000 at 660 V
Clearing Loss:
80
Compliances:
CE Marked
Connection:
Blade end x blade end
Fuse Indicator:
Top fuse status indicator
Fuse Shape:
Square body, slotted center bolted tags
Insulated Metal Gripping Lugs Imgl:
No
Interrupt Rating:
200 kAIC
Mounting Method:
DIN 43 620
Packaging Type:
Standard
Pre Arc I2t:
48500
Product Height:
65 mm
Product Length Depth:
305 mm
Product Weight:
341 g
Product Width:
145 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
690 V
Voltage Type:
AC
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M3173 – Frequently Asked Questions

How fast can I get the Bussmann 170M3173 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 170M3173 come with a warranty?
Absolutely. The Bussmann 170M3173 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 170M3173?
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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