Bussmann 170M8542 High-Speed S...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$2,415.05
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Bussmann 170M8542 High-Speed Square Body Fuse, Class aR, 1100A

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Model: 170M8542

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

$2,415.05
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Bussmann 170M8542 High-Speed Square Body Fuse, Class aR, 1100A

The Bussmann 170M8542 is an Eaton series high-speed square body fuse built for demanding power semiconductor protection applications. Rated 1100A and 1000V AC with a 125 kAIC interrupting rating, this Class aR fuse is designed for accompanied semiconductor protection and the protection of power rectifiers. The square body design with center bolted tags delivers a secure, low-impedance connection for high-speed fusing duty. It carries UL Recognized status and is CE Marked for use in demanding industrial power electronics systems.

Key Features

  • Amperage Rating: 1100A for high-current power rectifier and semiconductor protection circuits.
  • Voltage Rating: 1000V AC, suited for high-power industrial power electronics systems.
  • Interrupting Rating: 125 kAIC interrupting capacity for reliable fault clearing in high-energy circuits.
  • Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection of power semiconductor devices.
  • Fuse Shape: Square body construction with center bolted tags for secure, low-resistance terminations.
  • Clearing I2t: 2,750,000 at 1000V for predictable current-limiting performance.
  • Pre-Arc I2t: 460,000 let-through characteristic for coordinated protection design.
  • Watt Losses: 155W rated power dissipation.

Certifications & Compliance

  • UL Recognized
  • CE Marked

Technical Specifications

  • Amperage Rating: 1100 A
  • Application: Protection of power rectifiers
  • Certifications: UL Recognized
  • Clearing I2t : 2750000 at 1000 V
  • Compliances: CE Marked
  • Fuse Shape: Square body, center bolted tags
  • Insulated Metal Gripping Lugs Imgl : No
  • Packaging Type: Standard
  • Pre Arc I2t : 460000
  • Product Height: 74 mm
  • Product Length Depth: 90 mm
  • Product Weight: 746.4309952 g
  • Product Width: 160 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 1000 V
  • Voltage Type: AC
  • Watt Losses: 155 W

Typical Applications

  • Power Rectifier Protection
  • Power Semiconductor Device Protection
  • Industrial Power Electronics Systems
  • High-Speed Fusing for AC Power Circuits

Why Bussmann?

Bussmann by Eaton is a recognized leader in circuit protection, and the 170M8542 reflects that engineering standard with UL Recognized status and CE Marked compliance. Its high-speed Class aR design and square body construction with center bolted tags deliver dependable, code-compliant protection for demanding power semiconductor and rectifier applications.

Manufacturer Resources

Product Specs

Amperage Rating:
1100 A
Application:
Protection of power rectifiers
Certifications:
UL Recognized
Class:
Class aR
Clearing I2t:
2750000 at 1000 V
Compliances:
CE Marked
Fuse Indicator:
Other
Fuse Shape:
Square body, center bolted tags
Insulated Metal Gripping Lugs Imgl:
No
Interrupt Rating:
125 kAIC
Packaging Type:
Standard
Pre Arc I2t:
460000
Product Height:
74 mm
Product Length Depth:
90 mm
Product Weight:
746.4309952 g
Product Width:
160 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
1000 V
Voltage Type:
AC
Watt Losses:
155 W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M8542 – Frequently Asked Questions

How fast can I get the Bussmann 170M8542 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 170M8542 come with a warranty?
Absolutely. The Bussmann 170M8542 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 170M8542?
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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