Eaton WCF3RN Fuse - 50 kA 690V
Part Number: WCF3RN
Quick Summary
The Eaton WCF3RN Fuse delivers fast-acting overcurrent protection for industrial controls and switchgear applications. In busy automation environments, nuisance trips and unexpected faults can cause costly downtime; this cube fuse is engineered to minimize those incidents while protecting equipment. The design aligns with CE marking and RoHS compliance, while its Class CF rating helps predict performance in short-circuit events. Its finger-safe, non-indicating format reduces maintenance time and improves operator safety. Additionally, the compact footprint supports streamlined panel design, easier part sourcing, and reliable protection in space-constrained enclosures.
Product Information
Extended Description
WCF3RN Eaton: Eaton Bussmann Series Class CF fuse, WCF, fast-acting, dual-element current limiting cube fuse, 3 A, finger safe, non-indicating fuse, interrupting rating of 50 kA at 690 Vac
Product Name
Eaton Bussmann series WCF fuse
Catalog Number
WCF3RN
UPC
051712393386
Product Length/Depth
1.88 in
Product Height
1 in
Product Width
0.75 in
Product Weight
1.39 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Amperage Rating
3 A
Fuse type
CUBEFuse
Material
Glass filled PES
Number of elements
Dual
Packaging type
Standard
Class
Class CF
Fuse indicator
Non-indicating
Special features
Finger safe, non-indicating
Bussmann Full Line Catalog
Bussmann Full Line Catalog
RoHS Search Tool
Bussmann series Fuseology
Bussmann series Fuseology
Bussmann series Wind CUBEFuse data sheet no. 9009
Feature dual-element current-limiting design → Business Impact minimizes arc flash potential and peak fault current, protecting downstream components; Application motor drives, contactors, and control circuits benefit from tighter protection boundaries and reduced thermal damage. Feature 50 kA interrupting rating at 690 VAC → Business Impact higher fault tolerance translates to less equipment damage and shorter downtime; Application suitable for high-energy fault environments in power distribution panels. Feature 3 A amperage rating → Business Impact precise protection for logic circuits and small control loads; Application protects relays, sensors, and communication interfaces without nuisance outages. Feature finger-safe, non-indicating cube fuse → Business Impact safer handling and quicker maintenance checks; Application reduces risk during panel servicing and simplifies inventory management. Feature CE Marked and RoHS Compliant → Business Impact regulatory alignment and lower compliance risk; Application relevant for European installations and environmentally conscious projects. Feature compact footprint (1.88 in L × 0.75 in W × 1 in H) → Business Impact easier installation and retrofitting in crowded enclosures; Application supports upgrade paths in legacy equipment. Feature glass-filled PES material and dual-element construction → Business Impact improved durability and reliable current limiting; Application suits demanding industrial environments and long-life protection.
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FAQs
The WCF3RN is a fast-acting, dual-element current-limiting cube fuse from the Bussmann series designed for Class CF protection up to 690 VAC. It fits standard Bussmann WCF cube fuse holders used in control panels, motor starters, and distribution panels. Verify catalog cross references and ensure proper mounting clearance and finger-safe access within the enclosure for safe operation.
The WCF3RN fuse is a 3 A fast-acting, dual-element current-limiting device with a 50 kA interrupting rating at 690 VAC. It provides tight current limiting to minimize fault energy and protect connected equipment. It is CE Marked and RoHS compliant, with a finger-safe, non-indicating design that facilitates safe handling during installation and maintenance.
Yes. The WCF3RN fuse is CE Marked and RoHS compliant, ensuring alignment with European regulatory requirements and restricted substance guidelines. This supports compliance-driven design in European projects and helps engineers meet procurement standards while maintaining performance expectations for Class CF protection in 690 VAC systems.
The WCF3RN measures 1.88 inches in length, 0.75 inches in width, and 1 inch in height, with a weight of about 1.39 pounds. It is designed for standard Bussmann WCF cube fuse holders and is packaged in a standard format for easy replacement. When mounting, ensure adequate clearance and finger-safe access to avoid contact with live parts.
Using the WCF3RN can lower total maintenance costs by reducing costly downtime from short-circuits and improving panel reliability through robust fault protection. The dual-element design minimizes nuisance trips, while the non-indicating feature streamlines servicing. Its CE RoHS compliance and compact footprint help minimize regulatory risk and simplify spare-part inventories in industrial environments.