Bussmann 170M-480 Series Class...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$599.73
Bussmann 170M-480 Series Class aR High-Speed Square Body Fuse

Bussmann 170M-480 Series Class aR High-Speed Square Body Fuse

(No reviews yet) Write a Review

Model: 170M4810

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

$599.73
Adding to cart… The item has been added
Free Shipping on orders over $199
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

Bussmann 170M-480 Series Class aR High-Speed Square Body Fuse

The Bussmann 170M-480 series is a high-speed square body fuse built for demanding semiconductor protection duty, featuring a Class aR utilization category and a 125 kAIC interrupting rating for reliable clearing of high fault currents. This family is available in amp ratings from 20A to 315A, with a blade end x DIN 43-620 blade end configuration per the DIN 43 620 standard, so it drops into standard high-speed fuse holders and disconnects. The square body design uses centre-bolted tags (slotted) for a secure, low-resistance termination, and a top fuse status indicator makes a blown fuse easy to spot during maintenance. The fuse is CE Marked for use in compliant electrical systems.

Key Features

  • Amp Rating Range: Available in 11 ratings from 20A to 315A (20A, 32A, 40A, 50A, 63A, 80A, 100A, 125A, 160A, 200A, 315A) to match specific circuit protection requirements.
  • Interrupting Rating: 125 kAIC breaking capacity for dependable performance in high fault-current systems.
  • Utilization Category: Class aR design, intended for accompanied semiconductor protection applications.
  • Blade End Design: Blade end x DIN 43-620 blade end configuration built to the DIN 43 620 standard for compatibility with standard high-speed fuse mountings.
  • Fuse Shape: Square body construction with centre-bolted tags (slotted) for a secure, low-resistance connection.
  • Status Indicator: Top fuse status indicator provides quick visual confirmation of fuse condition.

Certifications & Compliance

  • CE Marked

Technical Specifications

  • Voltage Type: AC
  • Utilization Category: aR (accompanied semiconductor protection)
  • Fuse Shape: Square body, slotted center bolted tags
  • Application: semiconductor protection
  • Insulated Metal Gripping Lugs Imgl: No
  • Compliances: CE Marked

Typical Applications

  • Semiconductor Protection Circuits
  • High Fault-Current Industrial Power Distribution
  • Motor Drive and Power Electronics Protection
  • Panelboard and Switchgear Installations

Why Bussmann?

Bussmann by Eaton engineers the 170M-480 series to the DIN 43 620 standard, with a robust square body, centre-bolted slotted tags, and a 125 kAIC interrupting rating that professionals can depend on for demanding semiconductor protection work. The CE Marked, Class aR construction with a top status indicator supports code-compliant, serviceable installations across the full 20A-315A rating range.

Manufacturer Resources

Product Specs

Product Group:
Fuses
Class:
Class aR
Voltage Type:
AC
Utilization Category:
aR (accompanied semiconductor protection)
Packaging Type:
Standard
Connection:
Blade end x Din 43-620 blade end
Product Type:
Fuse
Interrupt Rating:
125 kAIC
Fuse Shape:
Square body, slotted center bolted tags
Product Details:
Fuse
Application:
semiconductor protection
Insulated Metal Gripping Lugs Imgl:
No
Product Subgroup:
Other Fuses
Mounting Method:
DIN 43 620
Compliances:
CE Marked
Department:
Electrical
Fuse Indicator:
Top fuse status indicator
Amperage Rating:
20A - 315A
Voltage Rating:
1000V
Standards:
DIN 43620
Listing:
CE Marked
Configuration:
Square Body, Slotted Center-Bolted Tags

Bussmann 170M4810 – Frequently Asked Questions

1) Will a Bussmann 170M-480 high-speed fuse fit my existing DIN 43 620 fuse holder?
Yes, if the holder or disconnect is built to DIN 43 620. The 170M-480 is a square body fuse with a blade end x DIN 43-620 blade end connection, mounted per DIN 43 620, so it lands in standard high-speed fuse mountings without adapters. The tags are slotted centre-bolted type, so you bolt through the slot rather than clamping into a ferrule clip.
2) What does Class aR mean on the Bussmann 170M-480, and can I use it as the only protection on a circuit?
aR is a partial-range semiconductor protection category, meaning accompanied semiconductor protection. It clears high fault currents but is not intended to be the sole overcurrent device on the circuit, so it works alongside a breaker or other overload device that handles low-level overloads. If you need a device that protects over the full range on its own, an aR fuse is the wrong choice.
3) What voltage and interrupting rating does the Bussmann 170M-480 fuse carry?
Rated 1000V AC with a 125 kAIC breaking capacity. That interrupting rating is what lets it be applied on high fault-current industrial distribution and drive circuits where available fault current is well above what a general-purpose fuse can clear. It is an AC-rated part, so do not apply it to a DC bus on the strength of this rating.
4) What amp ratings can I order in the Bussmann 170M-480 square body fuse?
Ratings run 20A, 32A, 40A, 50A, 63A, 80A, 100A, 125A, 160A, 200A, 250A, 315A, 500A, 550A and 630A. Each amp rating is its own part number, for example 170M4802 at 20A, 170M4810 at 100A and 170M4960 at 630A, so specify the amperage when you order.
5) How do I tell if a 170M-480 fuse has blown without pulling it out of the gear?
There is a top fuse status indicator on the fuse body, so a technician can confirm the condition visually from the front of the assembly during a walkdown instead of removing the fuse and testing it. That matters in switchgear and panelboards where taking a fuse out means shutting down the section.
6) Is the Bussmann 170M-480 the right fuse for protecting drive rectifiers and IGBT modules?
That is exactly what it is built for. The 170M-480 is a high-speed semiconductor protection fuse, applied on motor drive and power electronics circuits, rectifier and converter sections, and industrial distribution where fault current is high. For ordinary branch circuit, feeder or motor overload duty, use a standard UL class fuse instead, not this one.
7) Does the Bussmann 170M-480 come with insulated metal gripping lugs?
No. The 170M-480 is supplied without insulated metal gripping lugs (IMGL). Terminations are the slotted centre-bolted blade tags, so plan on bolting directly to the busbar or holder tags. If your installation requires IMGL for finger-safe handling, you need a different variant of the 170M family.
8) Is the Bussmann 170M-480 fuse CE Marked for use in European panels?
Yes, the 170M-480 series is CE Marked, and it is engineered to the DIN 43620 dimensional standard. That combination is what lets it be specified into CE-compliant machine and switchgear builds using metric square body fuse mountings.
9) Can I standardize one 170M-480 part number across several drives in a plant?
Only where the amp rating matches. The body style, 1000V AC rating, 125 kAIC capacity and DIN 43 620 mounting are common across the series, so the mounting hardware and holders stay the same plant-wide, but each drive still needs the fuse sized to its own circuit. Stocking a few ratings out of the 20A to 630A range covers a mixed fleet while keeping one holder type.
How fast can I get the Bussmann 170M4810 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 170M4810 come with a warranty?
Absolutely. The Bussmann 170M4810 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 170M4810?
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 170M4810 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
!