Eaton FWX-35A High Speed Fuse - 600 V / 200 kAIC
Part Number: FWX-35A
Quick Summary
The Eaton FWX-35A high speed fuse protects electrical systems by interrupting faults quickly in industrial power circuits. OEMs often face nuisance trips or protection mismatches during transient events, leading to unplanned downtime and equipment wear. This device carries UL Recognized and CSA Certified status, is CE marked, and RoHS compliant for global installations. Its compact form and non-indicating design streamline panel layouts while reducing wiring complexity. With blade-end X blade-end connections and a stud mounting option, it fits a broad range of control cabinets and motor drives, delivering reliable protection without sacrificing serviceability or safety. Leveraging these standards supports safer maintenance, faster replacements, and improved total cost of ownership.
Product Information
Extended Description
FWX-35A Eaton: Eaton Bussmann series FWX high speed fuse, 600V, 35A RMS, 200 kAIC Vac, 50 kAIC at 250 Vdc, Non Indicating, High speed fuse, Blade end X blade end, Stud
Product Name
Eaton Bussmann series FWX high speed fuse
Catalog Number
FWX-35A
UPC
051712150477
Product Length/Depth
3.44 in
Product Height
0.89 in
Product Width
0.91 in
Product Weight
0.12 lb
Warranty
Not Applicable
Compliances
RoHS Compliant CE Marked
Certifications
CSA Certified UL Recognized
Amperage Rating
35A RMS
Interrupt rating
50 kAIC at 250 Vdc 200 kAIC Vac
Voltage rating
600 V
Watt losses
4.2 W
Packaging type
Standard
Connection
Blade end x blade end
Fuse indicator
Non Indicating
Mounting method
Stud
Bussmann series complete full line catalog no. 1007
Eaton Specification Sheet - FWX-35A
FWX-35A~BUSS HIGH SPEED FUSE
FWX-35A~BUSS HIGH SPEED FUSE
Datasheet - FNQ-30
Feature 600 V, 35 A RMS rating delivers precise fast-acting protection for medium-power drives. Business Impact: short-circuit currents are cleared rapidly, reducing arc exposure and equipment damage. Application: motor drives, contactors, and power distribution panels in manufacturing lines. Feature 50 kAIC at 250 Vdc and 200 kAIC Vac interrupt ratings enable protection across mixed DC and AC systems, supporting safer start-ups and reduced fault energy. Application: drives, DC link protection, and distribution feeders in harsh factory environments. Feature blade end x blade end connections with stud mounting provide versatile mounting options and easy field replacement, minimizing downtime during maintenance cycles. Application: control panels and retrofit projects where space and compatibility matter. Feature RoHS compliance, CE marking, UL Recognized, and CSA certification reduce regulatory risk and simplify multi-region deployments. Application: global product rollouts in automotive, packaging, and process industries. Feature watt losses of 4.2 W contribute to lower heat buildup in panel assemblies, improving overall cooling efficiency and energy management. Application: energy-conscious panel design and HVAC-limited enclosures. Feature compact dimensions (3.44 in length, 0.89 in height, 0.91 in width) enable tight cabinet fits and modular layouts, supporting scalable protection schemes. Application: compact control panels and machine wide installations for OEMs seeking streamlined spare parts inventory.
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FAQs
The FWX-35A supports blade end x blade end connections with a stud mounting option, enabling flexible panel designs and straightforward field replacements. Its compact 3.44 in length fits tight control cabinets, while the 0.89 in height and 0.91 in width allow modular protection layouts in motor drives, power distribution, and automation panels.
FWX-35A is rated 600 V with a 35 A RMS current rating. It provides a 50 kAIC interruption rating at 250 Vdc and a 200 kAIC interruption rating for AC operation, ensuring robust fault clearing for both DC links and AC feeders in industrial environments.
Yes. The FWX-35A supports DC protection with a rated interruption of 50 kAIC at 250 Vdc, making it appropriate for DC links in drives or power supplies while maintaining high-speed fault clearance to protect connected equipment.
The FWX-35A is UL Recognized, CSA Certified, and CE marked, with RoHS compliance. These certifications support global regulatory requirements, simplify cross-border sourcing, and help ensure safety and environmental standards in industrial installations.
Using the FWX-35A reduces downtime from faults due to rapid interruption, lowers heat generation within panels (4.2 W watt loss), and simplifies spare parts inventories with a standard Bussmann series part. The result is improved equipment availability, easier maintenance, and a lower total cost of ownership across multi-site deployments.