Bussmann 170M3146 High-Speed S...
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$1,299.94
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Bussmann 170M3146 High-Speed Square Body Fuse, Class aR, 315A

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Model: 170M3146

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

$1,299.94
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Bussmann 170M3146 High-Speed Square Body Fuse, Class aR, 315A

The Bussmann 170M3146 is an Eaton Bussmann series high-speed square body fuse engineered for demanding power electronics protection, rated 700V (UL) / 690V (IEC), 315A, with a 100 kAIC interrupt rating. Built to Class aR (accompanied semiconductor protection) per DIN 43620, it features a top fuse status indicator for quick visual inspection and a square body with slotted, center-bolted tags for secure bus-bar connections. This fuse is designed for high-speed clearing in semiconductor and power conversion circuits where rapid fault interruption is critical.

Key Features

  • Amperage Rating: 315A for reliable overcurrent protection in demanding power circuits.
  • Voltage Rating: 700V (UL), 690V (IEC), 1250V rated for use across UL and IEC-rated systems.
  • Interrupt Rating: 100 kAIC high interrupting capacity for high fault-current applications.
  • Fuse Shape: Square body with slotted, center-bolted tags for a secure, low-resistance connection.
  • Status Indicator: Top fuse status indicator allows fast visual confirmation of fuse condition.
  • Utilization Category: Class aR (accompanied semiconductor protection) for high-speed clearing performance.
  • Clearing I2t: 115000 at 1000V, 150000 at 1250V; Pre-Arc I2t of 18500 for precise coordination.
  • Watt Losses: 60W rated power dissipation.

Certifications & Compliance

  • IEC Rated
  • CE Marked
  • Constructed to DIN 43620 dimensional standard

Technical Specifications

  • Amperage Rating: 315 A
  • Application: DC common bus, DC drives, power converters/rectifiers, reduced voltage starters
  • Certifications: IEC Rated
  • Clearing I2t: 115000 at 1000 V, 150000 at 1250 V
  • Compliances: CE Marked
  • Fuse Shape: Square body, slotted center bolted tags
  • Insulated Metal Gripping Lugs (Imgl): No
  • Packaging Type: Standard
  • Pre Arc I2t: 18500
  • Product Height: 65 mm
  • Product Length Depth: 305 mm
  • Product Weight: .071 g
  • Product Width: 145 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 1250 V
  • Voltage Type: AC
  • Watt Losses: 60 W

Typical Applications

  • DC Common Bus Protection
  • DC Drives
  • Power Converters and Rectifiers
  • Reduced Voltage Starters
  • Semiconductor Protection Circuits
  • Industrial Power Electronics Panels

Why Bussmann?

Bussmann by Eaton engineers high-speed fuses like the 170M3146 to deliver dependable, code-compliant semiconductor protection backed by CE marking and IEC ratings. With a robust square body construction, bolted tag connections, and a visible status indicator, this fuse gives professionals confidence in demanding DC drive and power conversion applications.

Manufacturer Resources

Product Specs

Amperage Rating:
315 A
Certifications:
IEC Rated
Class:
Class aR
Clearing I2t:
115000 at 1000 V, 150000 at 1250 V
Compliances:
CE Marked
Fuse Indicator:
Top fuse status indicator
Fuse Shape:
Square body, slotted center bolted tags
Insulated Metal Gripping Lugs Imgl:
No
Interrupt Rating:
100 kAIC
Mounting Method:
DIN 43 620
Packaging Type:
Standard
Pre Arc I2t:
18500
Product Height:
65 mm
Product Length Depth:
305 mm
Product Weight:
.071 g
Product Width:
145 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
1250 V
Voltage Type:
AC
Watt Losses:
60 W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M3146 – Frequently Asked Questions

How fast can I get the Bussmann 170M3146 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 170M3146 come with a warranty?
Absolutely. The Bussmann 170M3146 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 170M3146?
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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