Bussmann 170M3120 High-Speed S...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$875.54
Bussmann 170M3120 Eaton series high speed square body fuse, 1250V (IEC), 1300V (UL), 450A, 200 kAIC, Other, Fuse, Blade end X blade end, Class aR, DIN 43 620 - 170M3120

Bussmann 170M3120 High-Speed Square Body Fuse, Class aR, 450A

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Model: 170M3120
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$875.54
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Bussmann 170M3120 High-Speed Square Body Fuse, Class aR, 450A

The Bussmann 170M3120 is an Eaton Bussmann series high-speed square body fuse engineered for semiconductor protection in demanding industrial power circuits. Rated 450A with a voltage rating of 1250V (IEC) and 1300V (UL), this Class aR fuse delivers a 200 kAIC interrupting rating for reliable protection of accompanied semiconductor devices. Built to DIN 43 620 dimensional standards with blade end x blade end terminations, it is designed for power electronics and drive applications where precise clearing characteristics matter.

Key Features

  • Amperage Rating: 450A for high-capacity semiconductor circuit protection.
  • Voltage Rating: 1250V (IEC) / 1300V (UL) for use across international power systems.
  • Interrupting Rating: 200 kAIC high interrupting capacity for demanding fault-current conditions.
  • Fuse Class: Class aR, Utilization Category aR (accompanied semiconductor protection).
  • Termination: Blade end x blade end configuration with square body, slotted center bolted tags.
  • Dimensional Standard: Manufactured to DIN 43 620 for standardized fit and mounting.
  • Clearing Characteristics: Clearing I2t of 140,000 at 660V and Pre-Arc I2t of 21,000 for precise coordination.
  • Compact Footprint: 305 mm length, 145 mm width, 65 mm height, 300 g weight.

Certifications & Compliance

  • IEC Rated
  • CE Marked

Technical Specifications

  • Amperage Rating: 450 A
  • Application: semiconductor protection
  • Certifications: IEC Rated
  • Clearing I2t: 140000 at 660 V
  • Clearing Loss: 65
  • Compliances: CE Marked
  • Fuse Shape: Square body, slotted center bolted tags
  • Insulated Metal Gripping Lugs (IMGL): No
  • Packaging Type: Standard
  • Pre Arc I2t: 21000
  • Product Height: 65 mm
  • Product Length/Depth: 305 mm
  • Product Weight: 300 g
  • Product Width: 145 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 690 V
  • Voltage Type: AC

Typical Applications

  • Semiconductor Protection Circuits
  • Power Electronics and Drive Systems
  • Industrial Motor Control
  • High-Speed Fault Current Protection
  • Industrial and Commercial Electrical Installations

Why Bussmann?

The Bussmann 170M3120, part of the Eaton Bussmann series, is engineered for accompanied semiconductor protection with a 200 kAIC interrupting rating and precise Clearing and Pre-Arc I2t characteristics for coordinated circuit protection. IEC rated and CE marked, it delivers dependable, code-compliant performance for professional industrial electrical work.

Manufacturer Resources

Product Specs

Amperage Rating:
450 A
Application:
semiconductor protection
Certifications:
IEC Rated
Class:
Class aR
Clearing I2t:
140000 at 660 V
Clearing Loss:
65
Compliances:
CE Marked
Connection:
Blade end x blade end
Fuse Indicator:
Other
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:
21000
Product Height:
65 mm
Product Length Depth:
305 mm
Product Weight:
300 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 170M3120 – Frequently Asked Questions

How fast can I get the Bussmann 170M3120 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 170M3120 come with a warranty?
Absolutely. The Bussmann 170M3120 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 170M3120?
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