Bussmann 170L7278 High-Speed F...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$2,297.44
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Bussmann 170L7278 High-Speed Fuse-Link, Size 3, 600A, 800V AC, aR

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Model: 170L7278

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

$2,297.44
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Bussmann 170L7278 High-Speed Fuse-Link, Size 3, 600A, 800V AC, aR

The Bussmann 170L7278 is a high-speed fuse-link engineered for semiconductor protection in demanding industrial power circuits. Rated 600A at AC 800V, this Size 3 IEC fuse-link measures 76 x 92 x 75 mm and carries an aR utilization category for accompanied semiconductor protection per IEC 60269-4. A single indicator provides quick visual confirmation of fuse status, simplifying maintenance and troubleshooting in power electronics and drive applications. Its square body with flush end contacts is designed for secure, reliable mounting in standard Size 3 fuse holders.

Key Features

  • Size 3 Fuse-Link: Compact 76 x 92 x 75 mm body fits standard Size 3 fuse mounting hardware in industrial equipment.
  • High-Speed aR Rating: Class aR (accompanied semiconductor protection) construction is purpose-built to safeguard semiconductor devices from short-circuit currents.
  • Amperage Rating: 600A rating supports protection of higher-current semiconductor and power electronics circuits.
  • Voltage Rating: AC 800V rating suits demanding industrial power distribution and drive systems.
  • Fuse Body Design: Square body with flush end contacts for reliable mounting and connection in fuse holders.
  • Single Indicator: Built-in single indicator allows quick visual verification of fuse condition.
  • IEC Compliance: Constructed to IEC 60269-4 standard for semiconductor fuse-links.

Certifications & Compliance

  • IEC 60269-4 Compliant
  • CE Compliant

Technical Specifications

  • Application: semiconductor protection
  • Certifications: IEC 60269-4
  • Class: Class aR
  • Compliances: CE
  • Fuse Indicator: Other
  • Fuse Shape: Square body, flush end contacts
  • Insulated Metal Gripping Lugs Imgl: No
  • Packaging Type: Standard
  • Product Height: 74 mm
  • Product Length Depth: 90 mm
  • Product Weight: .001 g
  • Product Width: 160 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Type: AC

Typical Applications

  • Semiconductor Device and Power Electronics Protection
  • High-Speed Circuit Protection for Rectifiers and Converters
  • Industrial Motor Drive Protection
  • Commercial and Industrial Electrical Systems Requiring aR-Rated Fuse Protection

Why Bussmann?

Bussmann fuse-links are built to IEC 60269-4 standards, delivering dependable high-speed protection for semiconductor and power electronics applications. The 170L7278's Size 3 construction, 600A/800V AC rating, and aR utilization category make it a trusted choice for engineers who need code-compliant, reliable overcurrent protection in industrial power systems.

Manufacturer Resources

Product Specs

Amperage Rating:
600 A
Application:
semiconductor protection
Certifications:
IEC 60269-4
Class:
Class aR
Compliances:
CE
Fuse Indicator:
Other
Fuse Shape:
Square body, flush end contacts
Insulated Metal Gripping Lugs Imgl:
No
Packaging Type:
Standard
Product Height:
74 mm
Product Length Depth:
90 mm
Product Weight:
.001 g
Product Width:
160 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
800 V
Voltage Type:
AC
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170L7278 – Frequently Asked Questions

How fast can I get the Bussmann 170L7278 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 170L7278 come with a warranty?
Absolutely. The Bussmann 170L7278 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 170L7278?
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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