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Eaton Bussmann

Eaton Bussmann W-12 12A 125V AC W Plug Fuse Fuse

Part Number: W-12

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W-12: 12A, 125V AC, W Plug Fuse, Fast Acting (F); 10kA AC.

Rated Current12A
Rated Voltage125V AC
Breaking Capacity10kA AC
PackageEdison Base Plug Fuse

Eaton Bussmann W-12 is a W Plug Fuse fast acting (f) plug fuse rated 12A at 125V AC. Interrupting rating: 10kA AC. Source: Bussmann Full Line Catalog 1007 (2018), section 1, page 1-33.

Quick answer, specifications & FAQ
Direct answer

Eaton Bussmann Plug Fuse W-12 is rated 12A, 125V AC, Fast Acting, Edison Base Plug Fuse. Breaking capacity 10kA AC, certifications UL Listed|CE. Listed applications: Existing plug fuse systems, General purpose circuit protection, Lighting Protection. Standards: UL 248-11. W-12: 12A, 125V AC, W Plug Fuse, Fast Acting (F); 10kA AC.

Last updated 41 days ago

Key specifications

  • Part number: W-12
  • Brand: Eaton Bussmann
  • Rated current: 12A
  • Rated voltage: 125V AC
  • Breaking capacity: 10kA AC
  • Fuse speed: Fast Acting
  • Package size: Edison Base Plug Fuse
  • Dimensions: Edison Base
  • Terminal type: Edison screw base
  • Certifications: UL Listed|CE
  • Standards: UL 248-11
  • Typical lead time: LT: 12-16w

Frequently asked questions

What are the current and voltage ratings of W-12?

W-12 is rated 12A at 125V AC.

What is the breaking capacity of W-12?

W-12 has a breaking capacity of 10kA AC. Confirm this covers the available fault current at the installation point.

What package size does W-12 use?

W-12 uses Edison Base Plug Fuse package size.

Which standards and approvals apply to W-12?

W-12 is listed under UL 248-11 / UL Listed|CE.

What is W-12 used for?

W-12 is listed for Existing plug fuse systems, General purpose circuit protection, Lighting Protection applications. Verify suitability for your circuit before ordering.

What are the ordering terms for W-12?

W-12: typical lead time LT: 12-16w, minimum order 12-16 weeks. Submit a quote request for a firm quotation.

Data sources

Part number
W-12
Brand
Eaton Bussmann
Last updated
2026-09-22
Canonical URL
https://fusestock.com/products/eaton-bussmann-w-12/

Technical Specifications

Part Number
W-12
Manufacturer Part Number
W-12
Series
W Series (Fast-Acting Edison-Base Plug Fuse)
Fuse Type
Plug Fuse
Current Rating
12A
Voltage Rating
125V AC
AC / DC
AC
Breaking Capacity
10kA AC
Package / Dimensions
Edison Base Plug Fuse
Mounting
Fuse Holder
Application
Existing plug fuse systems · General purpose circuit protection · Lighting Protection
Standard
UL 248-11
Terminal Type
Edison screw base
Fuse Speed
Fast Acting
Utilization Class
W Plug Fuse
Approvals
CE · UL Listed
Certifications
UL Listed|CE
Reference Lead Time
LT: 12-16w
Minimum Order
12-16 weeks
Source
Bussmann Full Line Catalog 1007 (2018), section 1, page 1-33.

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