Bussmann 170M5209 Eaton Series...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,391.84
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Bussmann 170M5209 Eaton Series High-Speed Square Body Fuse, Class aR

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Model: 170M5209

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

$1,391.84
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Bussmann 170M5209 Eaton Series High-Speed Square Body Fuse, Class aR

The Bussmann 170M5209 is an Eaton Bussmann series high-speed square body fuse engineered for demanding semiconductor protection applications. Rated 1250V (IEC) / 1300V (UL) with a 450A amperage rating and a 200 kAIC interrupting rating, this Class aR fuse is built to DIN 43620 dimensions with blade end X blade end terminals and a top fuse status indicator for fast visual confirmation of fuse condition. As an accompanied semiconductor protection (aR) device, it is designed to safeguard power semiconductors in high fault-current circuits.

Key Features

  • Electrical Rating: 1250V (IEC) / 1300V (UL) at 450A with a 200 kAIC interrupting rating for high fault-current semiconductor circuits.
  • Fuse Status Indicator: Top-mounted fuse status indicator provides quick visual confirmation of blown-fuse condition.
  • Square Body Construction: Square body design with slotted, center bolted tags and blade end X blade end terminals per DIN 43620.
  • Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection of power semiconductor devices.
  • I2t Characteristics: Pre-arc I2t of 15500 and clearing I2t of 105000 at 660V for precise semiconductor coordination.
  • Voltage Rating: 690V AC voltage rating supports demanding industrial power circuits.
  • Compact Dimensions: Product measures 286 mm long, 165 mm wide, and 66 mm high, weighing approximately 619.3 g.

Certifications & Compliance

  • IEC Rated
  • CE Marked

Technical Specifications

  • Amperage Rating: 450 A
  • Application: semiconductor protection
  • Certifications: IEC Rated
  • Clearing I2t: 105000 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: 15500
  • Product Height: 66 mm
  • Product Length Depth: 286 mm
  • Product Weight: 619.3333333 g
  • Product Width: 165 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 690 V
  • Voltage Type: AC

Typical Applications

  • Semiconductor Device Protection
  • Power Electronics and Drive Systems
  • Rectifier and Converter Circuits
  • Industrial Motor Control Protection
  • High Fault-Current Interruption Applications

Why Bussmann?

Bussmann by Eaton engineers the 170M5209 to IEC standards with CE marking, delivering dependable, code-compliant overcurrent protection for power semiconductor equipment. The Class aR utilization category, precise I2t characteristics, and top fuse status indicator combine to give electrical professionals a reliable, easy-to-monitor protection solution for critical industrial circuits.

Manufacturer Resources

Product Specs

Amperage Rating:
450 A
Application:
semiconductor protection
Certifications:
IEC Rated
Class:
Class aR
Clearing I2t:
105000 at 660 V
Clearing Loss:
65
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:
15500
Product Height:
66 mm
Product Length Depth:
286 mm
Product Weight:
619.3333333 g
Product Width:
165 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 170M5209 – Frequently Asked Questions

How fast can I get the Bussmann 170M5209 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 170M5209 come with a warranty?
Absolutely. The Bussmann 170M5209 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 170M5209?
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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