Eaton FWP-500A High-Speed Fuse - UL Recognized
Part Number: FWP-500A
Quick Summary
The Eaton FWP-500A High-Speed Fuse protects electrical circuits in industrial power distributions, delivering fast interruption for motor drives and feeders. Too often systems experience nuisance trips or arc faults due to insufficient fuse speed and ratings. It is CSA Certified and UL Recognized, CE marked, and RoHS compliant, meeting global regulatory standards. Designed for Bussmann series systems with stud mounting and blade-end connections, it enables quick installation and reliable protection, helping reduce downtime and total cost of ownership. With a 250 Vac/dc rating and a 500 A RMS capability, it protects critical loads while minimizing maintenance and downtime. In routine panel builds, this fuse supports compliant, reliable protection for motor drives and feeders.
Product Information
Extended Description
FWP-500A Eaton: Eaton Bussmann series FWP high speed fuse, 250 Vac/dc, 500A RMS, 200 kAIC Vac, 50 kAIC at 700 Vdc, Non Indicating, High speed fuse, Blade end X blade end, Stud
Product Name
Eaton Bussmann series FWP high speed fuse
Catalog Number
FWP-500A
UPC
051712150453
Product Length/Depth
7.5 in
Product Height
2.55 in
Product Width
2.55 in
Product Weight
2.18 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Certifications
CSA Certified UL Recognized
Amperage Rating
500A RMS
Interrupt rating
50 kAIC at 700 Vdc 200 kAIC Vac
Voltage rating
250 Vac/dc
Watt losses
107 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 - FWP-500A
FWP NA bolted fuse-links
FWP NA bolted fuse-links
Datasheet - FNQ-30
High-speed protection is foundational: The FWP-500A delivers rapid fault interruption with 500 A RMS and high interrupt ratings up to 200 kAIC Vac and 50 kAIC at 700 Vdc, protecting cables and devices from catastrophic faults. This translates into reduced downtime and lower repair costs in motor drives and feeders, improving overall equipment effectiveness. In practice, engineers can rely on it for motor-drive protection and DC-link safety in automation panels, thanks to its robust 250 Vac/dc voltage rating and controlled watt losses of 107 W, balancing protection with thermal performance. Flexible installation supports fast integration: Blade-end x blade-end connections and stud mounting enable flexible panel layouts and quick wiring. This compatibility with the Bussmann series reduces engineering effort when replacing legacy fuses or upgrading protection schemes, minimizing change orders and commissioning time. Compliance and reliability are built in: CE Marked, RoHS compliant, CSA Certified, and UL Recognized provide global regulatory alignment and trusted quality for international projects. Physical and maintenance considerations: Standard packaging, 7.5 in length, 2.55 in width, 2.18 lb weight, and non-indicating status simplify inventory and diagnostics in controlled environments. The non-indicating design reduces nuisance trips on light loads, while the mounting method and connection style support secure, vibration-resistant installations in industrial cabinets.
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FAQs
The FWP-500A features blade-end x blade-end connections and a stud mounting method, enabling flexible panel layouts and secure wiring. This combination supports quick swaps in Bussmann series installations and simplifies integration with existing protective devices in control cabinets.
Key ratings include 500A RMS for continuous service, a voltage rating of 250 Vac/dc, and interrupt ratings of 200 kAIC Vac and 50 kAIC at 700 Vdc. Watt losses are specified at 107 W, providing a balance between protection performance and thermal management.
This high-speed fuse is ideal for motor drives, large feeders, and power distribution panels where rapid fault isolation is critical. It supports DC bus protection and AC distribution in automation environments, helping minimize downtime and equipment damage.
The FWP-500A is CSA Certified and UL Recognized, CE marked, and RoHS compliant. These certifications ensure global regulatory alignment, safety, and environmental compliance, simplifying international procurement and assembly in diverse projects.
Leverage the blade-end connections with stud mounting for secure, vibration-resistant installations. Use in standard enclosures to reduce wiring complexity, and factor in non-indicating status by planning for sensor integration if status indication is required. Routine inspection and timely replacement of fuses improve uptime and total cost of ownership.