Eaton Bussmann

Eaton Bussmann WCF40RN 40A 690V AC Fast-Acting Wind CUBEFuse

Name: Eaton Bussmann WCF40RN 40A 690V AC Fast-Acting Wind CUBEFuse
Brand: Eaton Bussmann
SKU: WCF40RN

Part Number: WCF40RN

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WCF40RN: 40A; 690V AC; Wind CUBEFuse (not UL Class CF); Fast Acting (F); 50kA AC.

Rated Current40A

Rated Voltage690V AC

Breaking Capacity50kA AC

PackageCUBEFuse

Tags

WCF40RNBussmann WCF Series (690V Wind CUBEFuse)40A fuse690V ACWind CUBEFuse (not UL Class CF)

Eaton Bussmann WCF40RN is a wind power cubefuse rated 40A at 690V AC. Interrupting rating: 50kA AC. Typical applications: Wind system transformers, Pitch and speed controls, Turbine HVAC, Turbine lighting. Must be used with 690V WCF/TCFHNW holder; not for CCP2-CF or CCP2B. Source: Bussmann Full Line Catalog 1007 (2018), page 1-11.

Quick answer, specifications & FAQ

Direct answer

Eaton Bussmann Wind Power CUBEFuse WCF40RN is rated 40A, 690V AC, Fast Acting, CUBEFuse. Breaking capacity 50kA AC, operating temperature -40°C to +90°C, certifications UL Recognized|cURus Component Certified|CE|RoHS. Listed applications: Industrial Control Protection, Wind Power Protection. Standards: UL 248-1. WCF40RN: 40A; 690V AC; Wind CUBEFuse (not UL Class CF); Fast Acting (F); 50kA AC.

Last updated 41 days ago

Key specifications

Part number: WCF40RN
Brand: Eaton Bussmann
Rated current: 40A
Rated voltage: 690V AC
Breaking capacity: 50kA AC
Fuse speed: Fast Acting
Package size: CUBEFuse
Operating temperature: -40°C to +90°C
Certifications: UL Recognized|cURus Component Certified|CE|RoHS
Standards: UL 248-1
Typical lead time: 12-16 weeks
Must be used with 690V WCF/TCFHNW holder; not for CCP2-CF or CCP2B.; Source: Bussmann Full Line Catalog 1007 (2018), page 1-11.

Frequently asked questions

What are the current and voltage ratings of WCF40RN?

WCF40RN is rated 40A at 690V AC.

What is the breaking capacity of WCF40RN?

WCF40RN has a breaking capacity of 50kA AC. Confirm this covers the available fault current at the installation point.

What package size does WCF40RN use?

WCF40RN uses CUBEFuse package size.

Which standards and approvals apply to WCF40RN?

WCF40RN is listed under UL 248-1 / UL Recognized|cURus Component Certified|CE|RoHS.

What is WCF40RN used for?

WCF40RN is listed for Industrial Control Protection, Wind Power Protection applications. Verify suitability for your circuit before ordering.

What are the ordering terms for WCF40RN?

WCF40RN: typical lead time 12-16 weeks. Submit a quote request for a firm quotation.

Data sources

Part number: WCF40RN
Brand: Eaton Bussmann
Last updated: 2026-09-22
Canonical URL: https://fusestock.com/products/eaton-bussmann-wcf40rn-40a-690v-ac-fast-acting-wind-cubefuse/

Technical Specifications

Part Number: WCF40RN
Manufacturer Part Number: WCF40RN
Series: WCF Series (690V Wind CUBEFuse)
Fuse Type: Wind Power CUBEFuse
Current Rating: 40A
Voltage Rating: 690V AC
AC / DC: AC
Breaking Capacity: 50kA AC
Operating Temperature: -40°C to +90°C
Package / Dimensions: CUBEFuse
Mounting: Fuse Holder
Application: Industrial Control Protection · Wind Power Protection
Standard: UL 248-1
Fuse Speed: Fast Acting
Utilization Class: Wind CUBEFuse (not UL Class CF)
Approvals: CE · cURus · RoHS · UL Recognized
Certifications: UL Recognized|cURus Component Certified|CE|RoHS
Reference Lead Time: 12-16 weeks
Must be used with 690V WCF/TCFHNW holder; not for CCP2-CF or CCP2B.; Source: Bussmann Full Line Catalog 1007 (2018), page 1-11.