Bussmann 170M5746 High-Speed F...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,838.30
Bussmann 170M5746 Fuse-link, high speed, 630 A, AC 1250 V, size 2, 61 x 77 x 160 mm, aR, IEC, UL, single indicator

Bussmann 170M5746 High-Speed Fuse-Link, 630A, 1250V AC, Class aR

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Model: 170M5746
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$1,838.30
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Bussmann 170M5746 High-Speed Fuse-Link, 630A, 1250V AC, Class aR

The Bussmann 170M5746 is a high-speed fuse-link engineered for demanding power semiconductor protection applications. Rated 630A at AC 1250V, this size 2 fuse-link measures 61 x 77 x 160 mm and carries a Class aR (accompanied semiconductor protection) utilization category rated to IEC standards, with UL recognition and a single visual indicator. Backed by a 100 kAIC interrupt rating, it delivers fast, coordinated clearing performance for protecting rectifiers, thyristors, and other solid-state devices in industrial power electronics.

Key Features

  • Trade Size & Dimensions: Size 2 body measuring 61 x 77 x 160 mm for direct fit into standard high-speed fuse mounting hardware.
  • Electrical Rating: Rated 630A at AC 1250V for high-current power semiconductor circuit protection.
  • Utilization Category: Class aR (accompanied semiconductor protection) rated to IEC standards for coordinated protection schemes.
  • Interrupt Rating: 100 kAIC short-circuit interrupting capacity for high fault-current environments.
  • Fuse Shape: Square body with center bolted tags for secure, low-resistance terminal connections.
  • Fuse Indicator: Single visual indicator for quick at-a-glance fuse status verification.
  • I2t Let-Through: Pre-arc I2t of 115000 and clearing I2t of 575000 at 1000 V / 730000 at 1250 V for precise coordination with protected semiconductors.
  • Watt Loss: 110 W rated power loss at nominal current.

Certifications & Compliance

  • IEC Rated
  • CE Marked
  • UL Rated Construction

Technical Specifications

  • Application: semiconductor protection
  • Certifications: IEC Rated
  • Class: Class aR
  • Clearing I2t: 575000 at 1000 V, 730000 at 1250 V
  • Compliances: CE Marked
  • Fuse Indicator: Other
  • Fuse Shape: Square body, center bolted tags
  • Insulated Metal Gripping Lugs (Imgl): No
  • Interrupt Rating: 100 kAIC
  • Packaging Type: Standard
  • Pre Arc I2t: 115000
  • Product Height: 67 mm
  • Product Length Depth: 284 mm
  • Product Weight: 274 g
  • Product Width: 175 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Type: AC
  • Watt Losses: 110 W

Typical Applications

  • Power Semiconductor Protection
  • Industrial Drive and Rectifier Circuits
  • High-Speed Switching Equipment
  • Motor Control and Power Conversion Systems
  • Industrial Electrical Panels and Switchgear

Why Bussmann?

Bussmann fuse-links are engineered for precise, coordinated protection of sensitive power semiconductor equipment. The 170M5746 combines IEC-rated Class aR performance, a 100 kAIC interrupt rating, and CE-marked compliance to deliver dependable, code-compliant protection for demanding industrial power electronics. Choose Bussmann for consistent quality and reliable performance in critical protection applications.

Manufacturer Resources

Product Specs

Amperage Rating:
630 A
Application:
semiconductor protection
Certifications:
IEC Rated
Class:
Class aR
Clearing I2t:
575000 at 1000 V, 730000 at 1250 V
Compliances:
CE Marked
Fuse Indicator:
Other
Fuse Shape:
Square body, center bolted tags
Insulated Metal Gripping Lugs Imgl:
No
Interrupt Rating:
100 kAIC
Packaging Type:
Standard
Pre Arc I2t:
115000
Product Height:
67 mm
Product Length Depth:
284 mm
Product Weight:
274 g
Product Width:
175 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
1250 V
Voltage Type:
AC
Watt Losses:
110 W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M5746 – Frequently Asked Questions

How fast can I get the Bussmann 170M5746 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 170M5746 come with a warranty?
Absolutely. The Bussmann 170M5746 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 170M5746?
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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