Bussmann 170M4718 Class aR Squ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,171.28
Bussmann 170M4718 High Speed Fuse

Bussmann 170M4718 Class aR Square Body High Speed Fuse, 800A

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Model: 170M4718
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$1,171.28
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Bussmann 170M4718 Class aR Square Body High Speed Fuse, 800A

The Bussmann 170M4718 is a Class aR high speed fuse engineered for demanding power electronics protection duty. Rated 800A RMS with a voltage rating of 700 Vac (UL) and 690 Vac (IEC), this square body fuse delivers a 200 kAIC interrupt rating for dependable short-circuit protection in DC common bus, DC drive, and power converter/rectifier applications. Built to UL Recognized and IEC Rated standards, it is designed for code-compliant performance in demanding industrial power systems.

Key Features

  • Amperage Rating: 800A RMS for high-capacity circuit protection.
  • Class aR Design: Class aR high speed fuse construction suited for power converter and rectifier protection.
  • Square Body Construction: Square body, US style -FU/115 without indicator for standard mounting compatibility.
  • Blade End Connection: Blade end X blade end termination for secure, low-resistance connections.
  • Voltage Rating: 700 Vac (UL), 690 Vac (IEC) for use across UL and IEC-rated systems.
  • Interrupt Rating: 200 kAIC interrupt rating for high fault-current withstand capability.
  • Watt Losses: 95W rated watt loss.
  • Fuse Indicator: Non-indicating design for standard installations.

Certifications & Compliance

  • UL Recognized
  • IEC Rated
  • CE Marked
  • RoHS Compliant

Technical Specifications

  • Amperage Rating: 800A
  • Application: DC common bus, DC drives, power converters/rectifiers
  • Class: Class aR
  • Clearing I2t: Clearing at 660V: 725000
  • Connection: Blade end X blade end
  • Current Rating: 800A RMS
  • Fuse Indicator: Non Indicating
  • Interrupt Rating: 200 kAIC
  • Packaging Type: Standard
  • Pre Arc I2t: 105000
  • Voltage Rating: 700 Vac (UL), 690 Vac (IEC)
  • Watt Losses: 95W
  • Product Type: Square body, US style -FU/115 without indicator
  • Product Length: 5.433 IN
  • Product Details: Square body, US style -FU/115 without indicator
  • Product Height: 2.087 IN
  • Product Weight: 1.6456 LB
  • Product Width: .315 IN

Typical Applications

  • DC Common Bus Systems
  • DC Drive Protection
  • Power Converters and Rectifiers
  • Industrial High-Speed Fuse Protection
  • Semiconductor and Power Electronics Circuits

Why Bussmann?

Bussmann builds the 170M4718 to UL Recognized and IEC Rated standards, with CE marking and RoHS compliance for global regulatory alignment. With a 200 kAIC interrupt rating and Class aR high speed fuse construction, this fuse is engineered to deliver dependable short-circuit protection for demanding DC bus and power conversion applications where reliability and code compliance are critical.

Manufacturer Resources

Product Specs

Amperage Rating:
800A
Application:
DC common bus, DC drives, power converters/rectifiers
Class:
Class aR
Clearing I2t:
Clearing at 660V: 725000
Connection:
Blade end X blade end
Current Rating:
800A RMS
Fuse Indicator:
Non Indicating
Interrupt Rating:
200 kAIC
Packaging Type:
Standard
Pre Arc I2t:
105000
Voltage Rating:
700 Vac (UL), 690 Vac (IEC)
Watt Losses:
95W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Square Body Fuses
Product Type:
Square body, US style -FU/115 without indicator
Product Length:
5.433 IN
Product Details:
Square body, US style -FU/115 without indicator
Product Height:
2.087 IN
Product Weight:
1.6456 LB
Product Width:
.315 IN

Bussmann 170M4718 – Frequently Asked Questions

How fast can I get the Bussmann 170M4718 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 170M4718 come with a warranty?
Absolutely. The Bussmann 170M4718 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 170M4718?
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
Why buy the Bussmann 170M4718 from ZenSupply?
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