Bussmann 170M4974 Eaton Series...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,464.30
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Bussmann 170M4974 Eaton Series High Speed Square Body Fuse, Class aR, 630A

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Model: 170M4974

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

$1,464.30
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Bussmann 170M4974 Eaton Series High Speed Square Body Fuse, Class aR, 630A

The Bussmann 170M4974 is an Eaton series high speed square body fuse engineered for semiconductor protection in demanding industrial power circuits. Rated 630A with a voltage rating of 700V (UL) and 690V (IEC), this Class aR fuse delivers a 150 kAIC interrupting rating to safeguard sensitive semiconductor devices from short-circuit currents. Built to the DIN 43620 square body format with slotted, center-bolted tags, it is UL Recognized and CE Marked for professional electrical and industrial control applications.

Key Features

  • Amperage Rating: 630A for reliable protection of semiconductor devices in high-power circuits.
  • Voltage Rating: 700V (UL) and 690V (IEC), with a 1000V component rating for demanding industrial power systems.
  • Interrupting Rating: 150 kAIC high speed interrupting capacity for fast, current-limiting fault clearing.
  • Utilization Category: Class aR (accompanied semiconductor protection) design for coordinated semiconductor circuit protection.
  • Fuse Shape: Square body construction with slotted, center-bolted tags per DIN 43620.
  • Current-Limiting Data: Clearing I2t of 755,000 at 1000V and Pre-Arc I2t of 125,000 for precise protective coordination.
  • Watt Losses: 98W rated power dissipation.
  • Application: Purpose-built for semiconductor protection duty.

Certifications & Compliance

  • UL Recognized
  • CE Marked

Technical Specifications

  • Amperage Rating: 630 A
  • Application: semiconductor protection
  • Certifications: UL Recognized
  • Clearing I2t : 755000 at 1000 V
  • Compliances: CE Marked
  • Fuse Shape: Square body, slotted center bolted tags
  • Insulated Metal Gripping Lugs Imgl : No
  • Packaging Type: Standard
  • Pre Arc I2t : 125000
  • Product Height: 62 mm
  • Product Length Depth: 245 mm
  • Product Weight: 217.6666667 g
  • Product Width: 142 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 1000 V
  • Voltage Type: AC
  • Watt Losses: 98 W

Typical Applications

  • Semiconductor Protection Circuits
  • Industrial Power Electronics and Power Conversion Equipment
  • Variable Frequency Drives and Motor Control Systems
  • High Speed Fuse Applications Requiring Class aR Coordination
  • Panelboard and Switchgear Protection

Why Bussmann?

Bussmann by Eaton is a recognized leader in circuit protection, and the 170M4974 reflects that engineering standard with its high speed Class aR design built for coordinated semiconductor protection. UL Recognized and CE Marked, this DIN 43620 square body fuse delivers the precise current-limiting performance and code-compliant construction professionals require for critical power electronics.

Manufacturer Resources

Product Specs

Amperage Rating:
630 A
Application:
semiconductor protection
Certifications:
UL Recognized
Class:
Class aR
Clearing I2t:
755000 at 1000 V
Compliances:
CE Marked
Fuse Indicator:
Other
Fuse Shape:
Square body, slotted center bolted tags
Insulated Metal Gripping Lugs Imgl:
No
Interrupt Rating:
150 kAIC
Mounting Method:
DIN 43 620
Packaging Type:
Standard
Pre Arc I2t:
125000
Product Height:
62 mm
Product Length Depth:
245 mm
Product Weight:
217.6666667 g
Product Width:
142 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
1000 V
Voltage Type:
AC
Watt Losses:
98 W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M4974 – Frequently Asked Questions

How fast can I get the Bussmann 170M4974 delivered?
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Does the Bussmann 170M4974 come with a warranty?
Absolutely. The Bussmann 170M4974 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 170M4974?
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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