Bussmann KAW-12 Eaton Series S...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$504.13
Bussmann KAW-12 Eaton series KAW semiconductor fuse, 600V, Standard, Non Indicating

Bussmann KAW-12 Eaton Series Semiconductor Fuse, 600V, 12A, Non-Indicating

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Model: KAW-12
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Bussmann KAW-12 Eaton Series Semiconductor Fuse, 600V, 12A, Non-Indicating

The Bussmann KAW-12 is an Eaton Bussmann series KAW semiconductor fuse engineered to protect sensitive power semiconductor devices such as SCRs, diodes, and rectifiers from damaging overcurrent conditions. Rated 600V and 12A, this Standard, Non-Indicating fuse delivers fast-acting, current-limiting protection in a compact form factor suited for industrial power electronics, converter circuits, and motor drive applications. As part of the trusted Eaton Bussmann product line, the KAW-12 is built to deliver dependable, code-compliant overcurrent protection for demanding electrical environments where semiconductor components must be safeguarded from fault currents.

Key Features

  • Amperage Rating: 12 A for precise, dedicated overcurrent protection of semiconductor circuits.
  • Voltage Rating: 600V, suitable for demanding industrial power electronics and control applications.
  • Semiconductor Fuse Type: Eaton Bussmann series KAW construction designed for fast-acting protection of SCRs, diodes, and other power semiconductor devices.
  • Standard, Non-Indicating Design: No blown-fuse indicator, providing a straightforward, cost-effective circuit protection solution.
  • Compact Footprint: Measures 1.5 in in height with a .36 in length/depth and .36 in width, simplifying installation in space-constrained enclosures.
  • Lightweight Construction: Weighs just .1 lb, easing handling, shipping, and installation in panel and equipment builds.
  • Series KAW Platform: Part of the established Eaton Bussmann KAW semiconductor fuse family used across industrial power conversion equipment.

Technical Specifications

  • Amperage Rating: 12 A
  • Voltage Rating: 600 V
  • Compliances: Contact factory
  • Product Height: 1.5 in
  • Product Length Depth: .36 in
  • Product Width: .36 in
  • Product Weight: .1 lb

Typical Applications

  • Semiconductor Device Protection (SCRs, Diodes, Rectifiers)
  • Power Electronics and Converter Circuits
  • Industrial Motor Drives and Variable Frequency Drives
  • Commercial and Industrial Electrical Systems
  • Panelboard and Control Panel Circuit Protection
  • Renovation and New Construction Electrical Projects

Why Bussmann?

Bussmann by Eaton is a recognized name in circuit protection, and the series KAW semiconductor fuse continues that standard with a 600V, 12A rating engineered specifically to safeguard sensitive semiconductor components from damaging overcurrent events. Choosing the Bussmann KAW-12 means dependable, code-compliant overcurrent protection built for professional electrical and power electronics work. Shop Bussmann electrical products at ZenSupply for reliable, application-specific components engineered to keep your power conversion systems running safely.

Manufacturer Resources

Product Specs

Amperage Rating:
12A
Compliances:
Contact factory
Fuse Indicator:
Non Indicating
Packaging Type:
Standard
Product Height:
1.5 in
Product Length Depth:
.36 in
Product Weight:
.1 lb
Product Width:
.36 in
Voltage Rating:
600V
Department:
Electrical
Product Type:
Semiconductor Fuse
Product Group:
Circuit Protection
Product Subgroup:
Fuses
Product Length:
0.36 in

Bussmann KAW-12 – Frequently Asked Questions

1) Can a Bussmann KAW-12 semiconductor fuse be used as a general branch-circuit or motor fuse?
No. The KAW-12 is a semiconductor (rectifier) fuse, built to clear fast enough to save SCRs, diodes and rectifiers from fault current. Its let-through energy is matched to silicon, not to a feeder or a motor circuit, so it is not a substitute for a branch-circuit fuse. Use it in the DC link, converter leg, or rectifier stack it was specified for, and use a standard class fuse for the branch.
2) Is the Bussmann KAW-12 rated for a 480V three-phase drive?
Yes, within its rating. The KAW-12 carries a 600 V rating, which covers 480V industrial power electronics and control circuits, at 12 A. Confirm the fuse amp rating against the semiconductor's I2t and the circuit's continuous current before you drop it in.
3) Will a 12 amp KAW fuse fit in a tight control enclosure?
It is a small-body fuse: 1.5 in high with a .36 in length/depth and .36 in width, and it weighs .1 lb. That footprint drops into crowded drive and panelboard enclosures where a larger bolt-in semiconductor fuse would not clear.
4) Does the KAW-12 have a blown-fuse indicator?
No. It is the standard, non-indicating version, so there is no pin or visual flag to tell you it has opened. If your maintenance crew relies on a pop-out indicator or a microswitch for fault annunciation, you need the indicating variant of the KAW series instead, not this one.
5) What part number do I order to replace a Bussmann KAW-12?
KAW-12 is the Eaton Bussmann manufacturer part number itself, from the series KAW semiconductor fuse family. Order it by that designation when standardizing spares across converter or drive equipment, and match both the 600 V and 12 A values on the fuse you are pulling out.
6) Where does a KAW series semiconductor fuse actually get installed on a job?
Typical placements are rectifier and converter circuits, industrial motor drives and VFDs, and control panel or panelboard protection where silicon devices sit downstream. In practice an electrician or OEM panel builder installs it in series with the semiconductor stack it protects rather than at the service equipment.
How fast can I get the Bussmann KAW-12 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 KAW-12 come with a warranty?
Absolutely. The Bussmann KAW-12 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 KAW-12?
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 KAW-12 from ZenSupply?
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