Eaton FWX-225A High Speed Fuse - UL Recognized, 200 kAIC
Part Number: FWX-225A
Quick Summary
The Eaton FWX-225A high speed fuse delivers fast overcurrent protection for industrial power electronics and motor drives. Nuisance trips and crowded control panels are common pain points, but this device's precise interrupt characteristics help keep systems running smoothly. UL Recognized, CSA Certified, and CE Marked RoHS Compliant, it meets key safety and regulatory standards. With a 600 V rating and high interrupt capacity, FWX-225A supports reliable protection in drives and power electronics, while its favorable size and compatibility reduce procurement complexity and lifecycle costs for plant operators.
Product Information
Extended Description
FWX-225A Eaton: Eaton Bussmann series FWX high speed fuse, 600V, 225A 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-225A
UPC
051712153973
EAN
5027590061537
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
UL Recognized CSA Certified
Amperage Rating
225A RMS
Interrupt rating
50 kAIC at 250 Vdc 200 kAIC Vac
Voltage rating
600 V
Watt losses
24 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-225A
FWX-225A~BUSS HIGH SPEED FUSE
FWX-225A~BUSS HIGH SPEED FUSE
Datasheet - FNQ-30
Feature: 600 V rating → Impact: enables safe operation in standard industrial circuits → Application: motor drives and power electronics in automation lines. Feature: 225 A RMS amperage → Impact: supports startup currents and surges without nuisance trips → Application: high-current feeders and drive rails in manufacturing cells. Feature: compact footprint (4.3 in L × 1.63 in H × 1.62 in W) → Impact: saves panel space and enables tighter enclosure layouts → Application: space-constrained control cabinets and retrofit projects. Feature: 50 kAIC at 250 Vdc and 200 kAIC Vac interrupt ratings → Impact: provides rapid fault clearance to protect downstream devices and minimize downtime → Application: motor drives, inverters, and high-energy distribution in automated plants. Feature: watt losses 24 W → Impact: reduces heat buildup in dense panels and improves reliability → Application: compact switchgear and drive cabinets. Feature: non-indicating design → Impact: lowers part count and procurement costs while leaving room for external indicators when needed → Application: standard protection in budget-conscious installations. Feature: blade end x blade end connections plus stud mounting → Impact: flexible installation and rapid field upgrades within Bussmann-based protection schemes → Application: retrofit projects in automation and process lines. Feature: regulatory readiness with CE Marking, RoHS, UL Recognized, and CSA Certified → Impact: simplifies cross-regional compliance and supplier qualification → Application: global deployments in multinational manufacturing facilities.
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FAQs
FWX-225A uses blade end x blade end connections and stud mounting, fitting standard Bussmann series assemblies and most control panels. With a 4.3 inch length, it is suitable for compact cabinets and retrofit projects where existing protection schemes rely on similar form factors. The 600 V rating supports a wide range of industrial drives, ensuring reliable, plug-and-play compatibility across diverse panel builds.
Key specifications include 225 A RMS amperage, 600 V voltage rating, and interrupt ratings of 50 kAIC at 250 Vdc and 200 kAIC Vac. Watt losses are 24 W, and the device is non-indicating with blade end x blade end connections and stud mounting. These ratings support fast fault clearing while maintaining manageable thermal performance in dense panels.
Yes. The FWX-225A provides a high interrupt capability (50 kAIC at 250 Vdc and 200 kAIC Vac) and a 225 A RMS rating, which makes it well-suited for motor drives, VFDs, and other drive electronics. Its compact form factor and flexible mounting simplify integration into motor control cabinets and drive rails, reducing design complexity and downtime during maintenance.
FWX-225A is UL Recognized, CSA Certified, and CE Marked RoHS Compliant. These certifications support regulatory compliance across North America and Europe, simplify supplier qualification, and help ensure safer, environmentally responsible operation in multinational manufacturing facilities.
The FWX-225A reduces downtime through rapid overcurrent protection and high fault-current clearance, while its compact footprint saves panel space and lowers installation time. Regulatory compliance enables smoother audits and faster procurement, contributing to lower total cost of ownership over the equipment lifecycle in automation and packaging environments.