Eaton WCF1RN Fuse - Class CF CUBEFuse, 50 kA @ 690 VAC
Part Number: WCF1RN
Quick Summary
The Eaton WCF1RN fuse protects industrial control panels by rapidly interrupting fault current. In tight control cabinets, engineers face finger-access risk and indicators that fail to show fuse status promptly. This Class CF device is CE marked and RoHS compliant, delivering reliable protection with regulatory confidence. Its fast-acting, dual-element design minimizes nuisance trips while safeguarding downstream electronics. By aligning with Bussmann series accessories and standard cube-fuse footprints, it delivers predictable replacement cycles and reduced downtime, making it a practical choice for machine builders and electrical contractors. For mission-critical systems, its compact form factor enables safe maintenance without sacrificing protection or performance.
Product Information
Extended Description
WCF1RN Eaton: Eaton Bussmann Series Class CF fuse, WCF, fast-acting, dual-element current limiting cube fuse, 1 A, finger safe, non-indicating fuse, interrupting rating of 50 kA at 690 Vac
Product Name
Eaton Bussmann series WCF fuse
Catalog Number
WCF1RN
UPC
051712393379
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
1 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: 1 A amperage rating on a fast-acting Class CF CubeFuse. Business Impact: Precise protection for control circuits while keeping nuisance trips low, improving system uptime. Application: Control panels, PLC I/O networks, and sensor circuits in manufacturing lines. Feature: Dual-element current-limiting design. Business Impact: Limits let-through energy during faults, protecting downstream devices and extending equipment life. Application: Motor drives, relays, and power feeders where surge control matters. Feature: Finger-safe, non-indicating housing. Business Impact: Safer maintenance practices with reduced risk during fuse replacement. Application: Front-access panels and crowded cabinets in automation environments. Feature: Interrupting rating of 50 kA at 690 VAC. Business Impact: High fault-current handling for robust protection in industrial power rails. Application: Main distribution blocks and branch circuits in high-energy automation setups. Feature: Compact footprint and standard packaging (1.88 in x 0.75 in x 1 in). Business Impact: Simplified field replacement and compatibility with existing Bussmann/WCF spares, reducing downtime. Application: Retrofitting and new installations across control panels and electrical cabinets.
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FAQs
The WCF1RN uses the standard Bussmann WCF cube-fuse footprint and is compatible with CUBEFuse holders and other Bussmann series mounting schemes designed for Class CF fuses. Its standard packaging and dual-element design facilitate straightforward replacements in existing control panels and machine enclosures.
WCF1RN is rated for 1 A, with a 50 kA interrupting rating at 690 VAC. It is a fast-acting, dual-element current-limiting fuse, delivering rapid fault clearance to protect downstream devices while minimizing energy let-through during faults.
Yes. The WCF1RN carries CE marking and RoHS compliance, ensuring regulatory alignment for European markets and restricted substance limits, which supports compliant integration into modern control systems.
Typical applications include protection of control panels, PLC I/O networks, motor drivers, and branch circuits in manufacturing environments. Its compact size and 50 kA fault-clearing capability make it suitable for compact cabinets and high-energy automation racks.
The finger-safe housing reduces maintenance risk during fuse replacement, while the high interrupting rating minimizes unexpected outages. Its compatibility with standard Bussmann/WCF components and easy replacement can lower downtime and inventory costs, delivering a favorable return in new builds and retrofits.