Bussmann 170M4265 High Speed S...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,096.09
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Bussmann 170M4265 High Speed Square Body Fuse, 550A, 700V, Class aR

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Model: 170M4265

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

$1,096.09
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Bussmann 170M4265 High Speed Square Body Fuse, 550A, 700V, Class aR

The Bussmann 170M4265 is an Eaton Bussmann series high speed square body fuse engineered for demanding semiconductor protection applications. Rated 700V (UL) / 690V (IEC) at 550A with a 200 kAIC interrupt rating, this Class aR fuse features blade end x blade end terminals on a square body with slotted center bolted tags, built to the DIN 43 620 dimensional standard. It is IEC rated and CE marked, making it well suited to industrial power electronics, drives, and rectifier circuits where fast, coordinated overcurrent protection is critical.

Key Features

  • Amperage Rating: 550A rating for high-current semiconductor protection circuits.
  • Voltage Rating: 700V (UL) / 690V (IEC) AC for demanding industrial power systems.
  • Interrupt Rating: 200 kAIC for dependable short-circuit current protection.
  • Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection of power semiconductors.
  • Connection Style: Blade end x blade end terminals for direct square body mounting.
  • Fuse Shape: Square body with slotted, center bolted tags for secure, low-resistance connections.
  • Standard: Built to the DIN 43 620 dimensional standard for compatibility with standard fuse holders.
  • Let-Through Energy: Clearing I²t of 350000 A²s at 660V and pre-arc I²t of 17000 A²s for predictable current-limiting performance.

Certifications & Compliance

  • IEC Rated
  • CE Marked

Technical Specifications

  • Amperage Rating: 550 A
  • Application: semiconductor protection
  • Certifications: IEC Rated
  • Clearing I2t: 350000 at 660 V
  • Clearing Loss: 75
  • Compliances: CE Marked
  • Fuse Shape: Square body, slotted center bolted tags
  • Insulated Metal Gripping Lugs (IMGL): No
  • Packaging Type: Standard
  • Pre Arc I2t: 17000
  • Product Height: 62 mm
  • Product Length/Depth: 245 mm
  • Product Weight: 499.3333333 g
  • Product Width: 142 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 690 V
  • Voltage Type: AC

Typical Applications

  • Semiconductor and Power Electronics Protection
  • Variable Frequency Drives and Motor Controllers
  • Rectifier and Converter Circuits
  • Industrial Power Distribution Systems
  • High-Speed Overcurrent Protection for AC/DC Power Equipment

Why Bussmann?

Bussmann fuses from Eaton are engineered for dependable, code-compliant performance in demanding industrial environments. The 170M4265 combines a 200 kAIC interrupt rating, Class aR semiconductor protection, and IEC-rated, CE-marked construction to deliver consistent current-limiting protection built to the DIN 43 620 standard. For engineers and electricians who need proven high-speed fuse protection for power electronics, drives, and rectifier circuits, Bussmann remains a trusted choice.

Manufacturer Resources

Product Specs

Amperage Rating:
550 A
Application:
semiconductor protection
Certifications:
IEC Rated
Class:
Class aR
Clearing I2t:
350000 at 660 V
Clearing Loss:
75
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:
17000
Product Height:
62 mm
Product Length Depth:
245 mm
Product Weight:
499.3333333 g
Product Width:
142 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 170M4265 – Frequently Asked Questions

How fast can I get the Bussmann 170M4265 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 170M4265 come with a warranty?
Absolutely. The Bussmann 170M4265 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 170M4265?
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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