Bussmann 170M5141 Class aR Hig...
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$1,495.43

Bussmann 170M5141 Class aR High Speed Fuse, 350A, 1250V

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Model: 170M5141
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$1,495.43
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Bussmann 170M5141 Class aR High Speed Fuse, 350A, 1250V

The Bussmann 170M5141 is a Class aR high speed fuse engineered for demanding power electronics applications, rated 350A RMS at 1250 Vac (IEC) / 1300 Vac (UL) with a 100 kAIC interrupt rating. Built in a square body configuration with a DIN 43 620 blade-style mount, this fuse is designed for DC common bus systems, DC drives, power converters/rectifiers, and reduced voltage starters. It is IEC Rated and UL Recognized, with CE marking and RoHS compliance.

Key Features

  • Compact Square Body Design: Measures 5.433 IN long, 2.087 IN high, and .315 IN wide, with a DIN 43 620 blade-style mount for standard fuse holders.
  • Class aR Construction: High speed semiconductor fuse type optimized for protecting power electronic devices in DC applications.
  • Amperage Rating: 350A RMS current rating for reliable overcurrent protection in high-power circuits.
  • Voltage Rating: Rated 1250 Vac (IEC) and 1300 Vac (UL) for use across international and domestic system voltages.
  • Interrupt Rating: 100 kAIC interrupt capacity provides robust short-circuit protection.
  • I2t Ratings: Pre-arc I2t of 16500 and clearing I2t of 97500 at 1000V / 135000 at 1250V for coordination with other devices.
  • Non-Indicating Fuse Body: Standard non-indicating design for straightforward installation.
  • Watt Losses: Rated at 80W for thermal management planning.

Certifications & Compliance

  • CE Marked
  • RoHS Compliant
  • IEC Rated
  • UL Recognized

Technical Specifications

  • Amperage Rating: 350A
  • Application: DC common bus, DC drives, power converters/rectifiers, reduced voltage starters
  • Class: Class aR
  • Clearing I2t: Clearing at 1000V: 97500 , Clearing at 1250V:135000
  • Current Rating: 350A RMS
  • Fuse Indicator: Non Indicating
  • Interrupt Rating: 100 kAIC
  • Packaging Type: Standard
  • Pre Arc I2t: 16500
  • Voltage Rating: 1250 Vac (IEC), 1300 Vac (UL)
  • Watt Losses: 80W
  • Product Type: Square body, -/110 visual indicator
  • Product Length: 5.433 IN
  • Product Details: Square body, -/110 visual indicator
  • Mounting Method: Din 43 620 blade style
  • Product Height: 2.087 IN
  • Product Weight: 1.6456 LB
  • Product Width: .315 IN

Typical Applications

  • DC Common Bus Systems
  • DC Drive Protection
  • Power Converters and Rectifiers
  • Reduced Voltage Starters
  • Industrial Power Electronics Circuits

Why Bussmann?

Bussmann fuses are engineered for demanding power electronics protection, and the 170M5141 is no exception, combining Class aR high speed operation with a 100 kAIC interrupt rating, UL Recognized and IEC Rated performance, CE marking, and RoHS compliance. This construction and certification helps ensure dependable, code-compliant overcurrent protection for critical DC drive and power conversion systems.

Manufacturer Resources

Product Specs

Amperage Rating:
350A
Class:
Class aR
Clearing I2t:
Clearing at 1000V: 97500 , Clearing at 1250V:135000
Current Rating:
350A RMS
Fuse Indicator:
Non Indicating
Interrupt Rating:
100 kAIC
Packaging Type:
Standard
Pre Arc I2t:
16500
Voltage Rating:
1250 Vac (IEC), 1300 Vac (UL)
Watt Losses:
80W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Length:
5.433 IN
Product Details:
Square body, -/110 visual indicator
Mounting Method:
Din 43 620 blade style
Product Height:
2.087 IN
Product Weight:
1.6456 LB
Product Width:
.315 IN

Bussmann 170M5141 – Frequently Asked Questions

How fast can I get the Bussmann 170M5141 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 170M5141 come with a warranty?
Absolutely. The Bussmann 170M5141 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 170M5141?
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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