Bussmann 170M4439 Eaton Series...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,513.80
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Bussmann 170M4439 Eaton Series High-Speed Square Body Fuse, Class aR, 200A, 700V

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Model: 170M4439

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

$1,513.80
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Bussmann 170M4439 Eaton Series High-Speed Square Body Fuse, Class aR, 200A, 700V

The Bussmann 170M4439 is an Eaton Bussmann series high-speed square body fuse engineered for dedicated semiconductor protection in demanding industrial power circuits. Rated 700V (UL) and 690V (IEC), with a 1250V voltage rating, this Class aR fuse delivers a 200A amperage rating and a 100 kAIC interrupting capacity to safeguard semiconductor devices from high fault currents. Its square body design with flush end contacts supports high-speed clearing characteristics, and the fuse is IEC rated and CE marked for accompanied semiconductor protection applications.

Key Features

  • Amperage Rating: 200A rated for reliable overcurrent protection in high-power industrial circuits.
  • Voltage Rating: 700V (UL) and 690V (IEC), with a 1250V voltage rating, suited to demanding high-voltage semiconductor protection circuits.
  • Interrupting Rating: 100 kAIC interrupting capacity for dependable performance under high fault-current conditions.
  • Utilization Category: Class aR (accompanied semiconductor protection) for dedicated protection of semiconductor devices.
  • Fuse Shape: Square body construction with flush end contacts for high-speed fuse mounting configurations.
  • Clearing I2t: 22500 at 1000V and 30000 at 1250V for coordinated let-through energy control.
  • Pre-Arc I2t: 3800 for predictable melting characteristics.
  • Watt Losses: 50W rated power dissipation.

Certifications & Compliance

  • IEC Rated
  • CE Marked

Technical Specifications

  • Amperage Rating: 200 A
  • Application: semiconductor protection
  • Certifications: IEC Rated
  • Clearing I2t : 22500 at 1000 V, 30000 at 1250 V
  • Compliances: CE Marked
  • Fuse Shape: Square body, flush end contacts
  • Insulated Metal Gripping Lugs Imgl : No
  • Packaging Type: Standard
  • Pre Arc I2t : 3800
  • Product Height: 51 mm
  • Product Length Depth: 160 mm
  • Product Weight: .575 g
  • Product Width: 70 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 1250 V
  • Voltage Type: AC
  • Watt Losses: 50 W

Typical Applications

  • Semiconductor Device Protection
  • High-Speed Industrial Power Circuits
  • Motor Drive and Variable Frequency Drive Protection
  • Rectifier and Power Conversion Equipment
  • Industrial and Commercial Electrical Systems

Why Bussmann?

Bussmann by Eaton is a recognized name in circuit protection, and the 170M4439 reflects that standard with its square body, flush end contact design, Class aR utilization category, and 100 kAIC interrupting rating. Backed by IEC rating and CE marking, this fuse delivers dependable, code-compliant semiconductor protection for professional industrial electrical installations.

Manufacturer Resources

Product Specs

Amperage Rating:
200 A
Application:
semiconductor protection
Certifications:
IEC Rated
Class:
Class aR
Clearing I2t:
22500 at 1000 V, 30000 at 1250 V
Compliances:
CE Marked
Fuse Indicator:
Other
Fuse Shape:
Square body, flush end contacts
Insulated Metal Gripping Lugs Imgl:
No
Interrupt Rating:
100 kAIC
Mounting Method:
Flush
Packaging Type:
Standard
Pre Arc I2t:
3800
Product Height:
51 mm
Product Length Depth:
160 mm
Product Weight:
.575 g
Product Width:
70 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
1250 V
Voltage Type:
AC
Watt Losses:
50 W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M4439 – Frequently Asked Questions

How fast can I get the Bussmann 170M4439 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 170M4439 come with a warranty?
Absolutely. The Bussmann 170M4439 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 170M4439?
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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