Bussmann 170M4438 High-Speed a...
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$1,497.59
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Bussmann 170M4438 High-Speed aR Fuse-Link, 160A, 1250V AC, Size 1

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Model: 170M4438

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

$1,497.59
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Bussmann 170M4438 High-Speed aR Fuse-Link, 160A, 1250V AC, Size 1

The Bussmann 170M4438 is a high-speed aR fuse-link engineered for semiconductor protection in demanding power electronics applications. Rated 160A and AC 1250V, this Size 1 fuse-link measures 53 x 69 x 80 mm and also carries voltage ratings of 700 V (UL) and 690 V (IEC) for cross-standard compliance. Backed by a 100 kAIC interrupt rating and a top-mounted fuse status indicator, the 170M4438 delivers dependable, high-speed protection for power semiconductors.

Key Features

  • Size 1 Fuse-Link: Compact 53 x 69 x 80 mm body sized for standard Size 1 fuse mounting hardware.
  • High-Speed aR Construction: Class aR (accompanied semiconductor protection) design purpose-built to safeguard semiconductor devices from fault currents.
  • 160A Current Rating: Rated 160A for dependable overcurrent protection in power electronics and drive circuits.
  • 1250V AC Rating: Rated AC 1250V, with 700 V (UL) and 690 V (IEC) ratings also listed.
  • 100 kAIC Interrupt Rating: High 100 kAIC interrupting capacity supports safe operation under high fault-current conditions.
  • Top Fuse Status Indicator: Single top-mounted indicator provides quick visual confirmation of fuse condition without disassembly.
  • Flush Mounting: Flush mounting method supports space-efficient installation in semiconductor protection assemblies.
  • Low Watt Loss: Rated 45 W for efficient operation in enclosed switchgear.

Certifications & Compliance

  • UL Recognized
  • CE Marked
  • Rated to IEC and UL Standards

Technical Specifications

  • Application: Semiconductor Protection
  • Certifications: UL Recognized
  • Class: Class aR
  • Clearing I2t: 11500 at 1000 V, 15500 at 1250 V
  • Compliances: CE Marked
  • Fuse Indicator: Top fuse status indicator
  • Interrupt Rating: 100 kAIC
  • Mounting Method: Flush
  • Packaging Type: Standard
  • Pre Arc I2t: 1900
  • Product Height: 2.087 in
  • Product Length Depth: 5.433 in
  • Product Weight: 1.6456 lb
  • Product Width: .315 in
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 700 V (UL), 690 V (IEC)
  • Watt Losses: 45 W

Typical Applications

  • Semiconductor Protection Circuits
  • Power Electronics and Variable Frequency Drives
  • Industrial Rectifier and Converter Protection
  • High-Speed Overcurrent Protection for Power Semiconductors

Why Bussmann?

Bussmann engineers the 170M4438 with a Class aR design, a 100 kAIC interrupt rating, and a top-mounted fuse status indicator for fast visual verification. Backed by UL Recognized and CE Marked compliance and rated to both IEC and UL standards, this fuse-link delivers reliable, code-compliant performance for protecting sensitive power semiconductor equipment.

Manufacturer Resources

Product Specs

Amperage Rating:
160 A
Application:
semiconductor protection
Certifications:
UL Recognized
Class:
Class aR
Clearing I2t:
11500 at 1000 V, 15500 at 1250 V
Compliances:
CE Marked
Fuse Indicator:
Top fuse status indicator
Interrupt Rating:
100 kAIC
Mounting Method:
Flush
Packaging Type:
Standard
Pre Arc I2t:
1900
Product Height:
2.087 in
Product Length Depth:
5.433 in
Product Weight:
1.6456 lb
Product Width:
.315 in
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
700 V (UL), 690 V (IEC)
Watt Losses:
45 W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M4438 – Frequently Asked Questions

How fast can I get the Bussmann 170M4438 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 170M4438 come with a warranty?
Absolutely. The Bussmann 170M4438 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 170M4438?
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 170M4438 from ZenSupply?
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