Eaton FWX-500A High Speed Fuse - UL Recognized

Part Number: FWX-500A
Manufacturer
Eaton
Part number
FWX-500A

Quick Summary

The Eaton FWX-500A high speed fuse protects electrical circuits in industrial drives and power distribution panels. It helps prevent costly outages by interrupting faults faster than standard fuses, reducing equipment damage and downtime. The device carries CE Marked RoHS compliance and is CSA certified with UL recognition, supporting regulatory compliance across global installations. For engineers facing tight spaces and demanding duty cycles, the FWX-500A delivers reliable protection without excessive space or mounting complexity. With a 600 V rating, blade end x blade end connections, and stud mounting, it fits retrofit projects and new builds while improving uptime and energy efficiency.

Product Information

Extended Description

FWX-500A Eaton: Eaton Bussmann series FWX high speed fuse, 600V, 500A 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-500A
UPC
051712150736
Product Length/Depth
4.3 in
Product Height
1.63 in
Product Width
1.62 in
Product Weight
0.46 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Certifications
CSA Certified UL Recognized
Amperage Rating
500A RMS
Interrupt rating
200 kAIC Vac 50 kAIC at 250 Vdc
Voltage rating
600 V
Watt losses
54 W
Packaging type
Standard
Connection
Blade end x blade end
Fuse indicator
Non Indicating
Mounting method
Stud
Feature: 600 V rating and 500 A RMS capability. Business Impact: Enables protection for high-energy 3-phase and single-phase systems while maintaining precise fault current interruption. Application: Motor drives, switchgear assemblies, and power distribution panels where rapid disconnect minimizes arc flash energy. Feature: 200 kAIC Vac interrupt rating and 50 kAIC at 250 Vdc. Business Impact: Supports high fault-current environments and DC link protection with robust ruggedness, reducing collateral damage during faults. Application: Industrial controls and inverter-driven equipment. Feature: Blade end x blade end connections with stud mounting. Business Impact: Provides flexible installation options and secure anchoring in compact enclosures, reducing assembly time. Application: Panel boards, control cabinets, and retrofit projects. Feature: Non-indicating design and compact form factor (4.3 in L Ă— 1.62 in W Ă— 1.63 in H, 0.46 lb). Business Impact: Simplifies replacement in crowded panels and lowers handling risk while preserving space for other components. Application: Modern control panels with space optimization. Feature: Watt losses of 54 W and compliance suite (CE RoHS, CSA, UL). Business Impact: Predictable thermal performance supports thermal management planning and regulatory compliance across regions. Application: Global equipment deployments with standard safety and environmental requirements.

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FAQs

FWX-500A supports blade end x blade end connections and stud mounting, enabling flexible installation in compact control panels. When wiring, ensure secure torque on studs, proper heat dissipation, and adherence to enclosure clearances to maintain performance and safe maintenance practices.
The FWX-500A is rated for 600 V, with a 500 A RMS amperage rating. It offers a 200 kAIC interrupt rating at AC and 50 kAIC at 250 Vdc, with watt losses of 54 W, providing predictable thermal behavior and fast fault interruption.
Yes. The FWX-500A is CE marked RoHS compliant and CSA certified, with UL recognition, supporting global regulatory compliance and reliable integration into safety-certified assemblies.
This fuse is ideal for industrial drives, motor control centers, and switchgear where rapid fault interruption is essential. Its 600 V rating and robust interrupt capability help protect power electronics and reduce downtime in high-energy systems.
Plan for space in the panel to accommodate the 4.3 in length and 0.46 lb weight, use the blade-end and stud mounting correctly, and pre-fit connectors where possible. Verify clearance for heat dissipation and ensure compatibility with existing Bussmann/FWX line components.