Bussmann FWC-4A10F Eaton Serie...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$127.73
$90.23
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Bussmann FWC-4A10F Eaton Series FWC High-Speed Cylindrical Fuse, 500V 4A

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Model: FWC-4A10F

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

$127.73
$90.23
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Bussmann FWC-4A10F Eaton Series FWC High-Speed Cylindrical Fuse, 500V 4A

The Bussmann FWC-4A10F is part of the Eaton Bussmann series FWC line of high-speed cylindrical fuses, engineered for semiconductor protection in demanding power electronics applications. Rated 500V and 4A, this non-indicating fuse features a ceramic tube construction and a 200A breaking capacity, making it well suited for DC common bus, DC drives, power converters/rectifiers, and reduced voltage starter circuits. With an aR utilization category, the FWC-4A10F is designed to accompany semiconductor devices and coordinate protection against short-circuit fault conditions in industrial power systems.

Key Features

  • Amperage Rating: 4A for precise overcurrent protection in low-current semiconductor circuits.
  • Voltage Rating: 500V rated fuse (700V per manufacturer voltage rating specification), supporting AC/DC voltage type circuits.
  • Construction: Ceramic tube, non-indicating, cylindrical body engineered for high-speed fuse performance.
  • Breaking Capacity: 200A interrupting rating for reliable clearing of fault currents.
  • Utilization Category: aR (accompanied semiconductor protection) for coordinated device protection schemes.
  • Frequency Rating: 45 Hz to 62 Hz operating range for standard AC power systems.
  • Watt Losses: 1.5W rated power dissipation for efficient thermal performance in enclosed equipment.
  • I2t Characteristics: Pre-arc I2t of 5.2 and clearing I2t of 32 for predictable coordination with upstream and downstream devices.

Technical Specifications

  • Amperage Rating: 4 A
  • Application: DC common bus, DC drives, power converters/rectifiers and reduced voltage starters
  • Breaking Capacity: 200 A
  • Clearing I2t: 32
  • Compliances: Contact factory
  • Construction Type: Ceramic tube
  • Frequency Rating Max: 62 Hz
  • Frequency Rating Min: 45 Hz
  • Packaging Type: Standard
  • Pre Arc I2t: 5.2
  • Product Height: 23 mm
  • Product Length Depth: 44 mm
  • Product Weight: 8.8 g
  • Product Width: 54 mm
  • Release Characteristic: Other
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 700 V
  • Voltage Type: AC/DC
  • Watt Losses: 1.5 W
  • Item Quantity: 10

Typical Applications

  • DC Common Bus Protection
  • DC Drive Systems
  • Power Converters and Rectifiers
  • Reduced Voltage Starter Circuits
  • Semiconductor Device Protection
  • Industrial Power Distribution Equipment

Why Bussmann?

Bussmann by Eaton is a recognized name in circuit protection, and the FWC series high-speed cylindrical fuse reflects that standard with ceramic tube construction and an aR utilization category built for accompanied semiconductor protection. Backed by defined breaking capacity, watt loss, and I2t characteristics, this fuse delivers dependable, code-compliant performance for demanding DC drive, power converter, and reduced voltage starter applications where precise semiconductor protection is essential.

Manufacturer Resources

Product Specs

Amperage Rating:
4 A
Breaking Capacity:
200 A
Clearing I2t:
32
Compliances:
Contact factory
Construction Type:
Ceramic tube
Frequency Rating Max:
62 Hz
Frequency Rating Min:
45 Hz
Fuse Indicator:
Non Indicating
Fuse Shape:
Cylindrical
Mounting Method:
Cylindrical
Packaging Type:
Standard
Pre Arc I2t:
5.2
Product Height:
23 mm
Product Length Depth:
44 mm
Product Weight:
8.8 g
Product Width:
54 mm
Release Characteristic:
Other
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
700 V
Voltage Type:
AC/DC
Watt Losses:
1.5 W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
High speed fuse
Product Details:
High speed fuse
Item Quantity:
10

Bussmann FWC-4A10F – Frequently Asked Questions

How fast can I get the Bussmann FWC-4A10F 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 FWC-4A10F come with a warranty?
Absolutely. The Bussmann FWC-4A10F 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 FWC-4A10F?
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 FWC-4A10F from ZenSupply?
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