Eaton WCF30RN Fuse - Class CF, 50 kA @ 690 Vac
Part Number: WCF30RN
Quick Summary
Eaton WCF30RN fuse provides fast-acting current-limiting protection for electrical panels and machine control circuits. When protection is slow or erratic, downtime and equipment damage erode productivity; reliable fusing is essential for high-volume manufacturing. The device carries CE marking and RoHS compliance, and it belongs to the Class CF Bussmann wind CUBEFuse family, with a 50 kA interrupting rating at 690 VAC. Its 30 A rating and finger-safe, non-indicating design fit compact panel layouts while reducing maintenance overhead. This combination delivers robust safety, easier regulatory compliance, and predictable protection across automation lines, enabling engineers and procurement teams to specify a single, standard solution for multiple applications.
Product Information
Extended Description
WCF30RN Eaton: Eaton Bussmann Series Class CF fuse, WCF, fast-acting, dual-element current limiting cube fuse, 30 A, finger safe, non-indicating fuse, interrupting rating of 50 kA at 690 Vac
Product Name
Eaton Bussmann series WCF fuse
Catalog Number
WCF30RN
UPC
051712395717
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
30 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
The WCF30RN fuse is a fast-acting, dual-element current-limiting cube fuse. This design minimizes let-through energy during faults, reducing arc flash risk and protecting downstream equipment, which improves line uptime in panelboards and motor control centers. The Class CF rating and 50 kA interrupting capability at 690 VAC enable reliable service in high fault-current environments, while a 30 A nominal rating matches common control-circuit protections in automation applications. Finger-safe, non-indicating construction lowers maintenance exposure and helps meet safety policies without extra indicators. The glass-filled PES body provides durability in harsh industrial settings, and the compact 1.88 in length, 0.75 in width, and 1 in height support dense panel layouts. Compatibility with standard Bussmann CF holders simplifies installation and reduces spare-part variety. CE and RoHS compliance support regulatory programs and sustainability goals. This fuse also integrates smoothly with Eaton’s Bussmann catalog and wind CUBEFuse data sheets for streamlined specification.
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FAQs
Power down equipment first and verify the holder is rated for 690 VAC and Class CF fuses. Remove the failed unit, align the dual-element WCF30RN with the correct orientation, insert firmly, and close the holder. Verify secure seating and restore power. This model fits standard Bussmann CF cube-fuse holders and shares identical dimensions for straightforward swapping.
The WCF30RN is rated for 30 A with a 50 kA interrupting rating at 690 VAC. It is a fast-acting, dual-element, current-limiting CUBEFuse that minimizes let-through energy during faults. The fuse uses glass-filled PES material and is CE marked and RoHS compliant, ensuring reliable performance in industrial environments.
Yes. With a 30 A rating, fast-acting current-limiting action, and a high 50 kA interrupting rating at 690 VAC, the WCF30RN is suitable for protecting motor-control circuits, drives, and automation panels where reliable fault interruption and reduced downtime are critical.
The WCF30RN carries CE marking and RoHS compliance, reflecting adherence to European safety and environmental standards. It is a Class CF fuse designed for current-limiting protection with finger-safe construction, which supports regulatory programs and reduces compliance risk in global facilities.
The dual-element design minimizes nuisance trips and energy let-through, reducing wear on contact surfaces and downtime. Its compact size and standard CF holders simplify spares management and installation, lowering inventory costs while delivering predictable protection for automation lines over the equipment lifecycle.