Eaton Bussmann

Eaton Bussmann W-2-1/2 2.5A 125V AC W Plug Fuse Fuse

Name: Eaton Bussmann W-2-1/2 2.5A 125V AC W Plug Fuse Fuse
Brand: Eaton Bussmann
SKU: W-2-1/2

Part Number: W-2-1/2

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W-2-1/2: 2.5A, 125V AC, W Plug Fuse, Fast Acting (F); 10kA AC.

Rated Current2.5A

Rated Voltage125V AC

Breaking Capacity10kA AC

PackageEdison Base Plug Fuse

Tags

Eaton Bussmann W-2-1/2 is a W Plug Fuse fast acting (f) plug fuse rated 2.5A 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-2-1/2 is rated 2.5A, 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-2-1/2: 2.5A, 125V AC, W Plug Fuse, Fast Acting (F); 10kA AC.

Last updated 39 days ago

Key specifications

Part number: W-2-1/2
Brand: Eaton Bussmann
Rated current: 2.5A
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-2-1/2?

W-2-1/2 is rated 2.5A at 125V AC.

What is the breaking capacity of W-2-1/2?

W-2-1/2 has a breaking capacity of 10kA AC. Confirm this covers the available fault current at the installation point.

What package size does W-2-1/2 use?

W-2-1/2 uses Edison Base Plug Fuse package size.

Which standards and approvals apply to W-2-1/2?

W-2-1/2 is listed under UL 248-11 / UL Listed|CE.

What is W-2-1/2 used for?

W-2-1/2 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-2-1/2?

W-2-1/2: typical lead time LT: 12-16w, minimum order 12-16 weeks. Submit a quote request for a firm quotation.

Data sources

Part number: W-2-1/2
Brand: Eaton Bussmann
Last updated: 2026-09-24
Canonical URL: https://fusestock.com/products/eaton-bussmann-w-2-1-2/

Technical Specifications

Part Number: W-2-1/2
Manufacturer Part Number: W-2-1/2
Series: W Series (Fast-Acting Edison-Base Plug Fuse)
Fuse Type: Plug Fuse
Current Rating: 2.5A
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.