Bussmann 170M5018 Eaton Series...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,895.08
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Bussmann 170M5018 Eaton Series High-Speed Square Body Fuse, Class aR, 1250A

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Model: 170M5018

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

$1,895.08
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Bussmann 170M5018 Eaton Series High-Speed Square Body Fuse, Class aR, 1250A

The Bussmann 170M5018 Eaton series high-speed square body fuse delivers precision overcurrent protection for semiconductor and power electronic equipment. Rated 1250V (IEC) / 1300V (UL) and 1250A with a 200 kAIC interrupting rating, this Class aR fuse is engineered for accompanied semiconductor protection in demanding industrial power circuits. Its square body design features blade end X blade end terminations built to the DIN 43 620 standard, with a top-mounted fuse status indicator for fast visual confirmation of fuse condition.

Key Features

  • Electrical Rating: 1250V (IEC) / 1300V (UL), 1250A, with a 200 kAIC interrupting rating for high-fault-current circuits.
  • Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection of power semiconductors.
  • Fuse Shape: Square body with slotted, center-bolted tags for secure blade end X blade end mounting per DIN 43 620.
  • Status Indicator: Top-mounted fuse status indicator provides quick visual identification of a blown fuse.
  • Let-Through Performance: Pre-arc I2t of 365,000 and clearing I2t of 2,400,000 at 660V for predictable current-limiting protection.
  • Clearing Loss: Rated at 130 for efficient thermal performance under load.
  • Compact Dimensions: Approximately 286 mm length, 165 mm width, 66 mm height, and 597.3 g weight for straightforward panel integration.

Certifications & Compliance

  • UL Recognized
  • CE Marked

Technical Specifications

  • Amperage Rating: 1250 A
  • Application: semiconductor protection
  • Certifications: UL Recognized
  • Clearing I2t: 2400000 at 660 V
  • Clearing Loss: 130
  • Compliances: CE Marked
  • Fuse Shape: Square body, slotted center bolted tags
  • Insulated Metal Gripping Lugs (Imgl): No
  • Packaging Type: Standard
  • Pre Arc I2t: 365000
  • Product Height: 66 mm
  • Product Length Depth: 286 mm
  • Product Weight: 597.3333333 g
  • Product Width: 165 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 600 V
  • Voltage Type: AC

Typical Applications

  • Semiconductor Protection
  • Power Electronics and Drives
  • Industrial Power Distribution
  • High-Fault-Current Circuit Protection
  • Rectifier and Converter Equipment

Why Bussmann?

Bussmann by Eaton is a trusted name in circuit protection, and the 170M5018 reflects that standard with UL Recognized and CE Marked construction. Built to DIN 43 620 dimensions with a robust square body and blade end X blade end terminations, this high-speed fuse is engineered for reliable, code-compliant performance in demanding semiconductor protection applications.

Manufacturer Resources

Product Specs

Amperage Rating:
1250 A
Application:
semiconductor protection
Certifications:
UL Recognized
Class:
Class aR
Clearing I2t:
2400000 at 660 V
Clearing Loss:
130
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:
365000
Product Height:
66 mm
Product Length Depth:
286 mm
Product Weight:
597.3333333 g
Product Width:
165 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
600 V
Voltage Type:
AC
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M5018 – Frequently Asked Questions

How fast can I get the Bussmann 170M5018 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 170M5018 come with a warranty?
Absolutely. The Bussmann 170M5018 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 170M5018?
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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