Eaton FWX-250A High Speed Fuse - UL Recognized
Part Number: FWX-250A
Quick Summary
FWX-250A is a high-speed fuse designed for fast overcurrent protection in industrial control panels and motor drives. It addresses the common challenge of nuisance tripping and inadequate circuit protection by delivering precise interruption with minimal impact on healthy loads. This device carries CSA Certified and UL Recognized certifications, plus RoHS compliance and CE marking to support global compliance. Designed for blade-end x blade-end connections and stud mounting, it fits compact control enclosures while delivering reliable protection and lower total cost of ownership. Its small footprint and low watt losses help optimize panel space and energy efficiency across automation applications.
Product Information
Extended Description
FWX-250A Eaton: Eaton Bussmann series FWX high speed fuse, 600V, 250A 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-250A
UPC
051712150682
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
RoHS Compliant CE Marked
Certifications
CSA Certified UL Recognized
Amperage Rating
250A RMS
Interrupt rating
50 kAIC at 250 Vdc 200 kAIC Vac
Voltage rating
600 V
Watt losses
27 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-250A
FWX-250A~BUSS HIGH SPEED FUSE
FWX-250A~BUSS HIGH SPEED FUSE
Datasheet - FNQ-30
Feature → High voltage and current rating: The FWX-250A operates at 600 V with a 250 A RMS current rating, supporting robust protection for motor drives and power distribution panels. Business impact → Reduces the risk of costly damage from short circuits and improves uptime; Application → Suitable for industrial drives and panel boards that demand rapid fault containment. Feature → High interrupt capacity: 200 kAIC Vac and 50 kAIC at 250 Vdc ensure reliable clearing of severe faults without cascading failures. Business impact → Enhances equipment longevity and system safety; Application → Critical in high-energy drives and feeder circuits. Feature → Blade-end x blade-end connections with stud mounting: Flexible installation options to match common OEM layouts. Business impact → Simplifies retrofits and OEM integrations; Application → Widely compatible with standard cabinets and spare parts stock. Feature → Non-indicating fuse with RoHS compliance and CE marking: Clear regulatory alignment and safer maintenance practices. Business impact → Streamlines procurement and compliance audits; Application → Global operations requiring RoHS/CE/UL/CSA conformance. Feature → Watt losses of 27 W and compact dimensions (4.3 in x 1.63 in x 1.62 in, 0.46 lb): Thermal efficiency and space-saving benefits. Business impact → Lower heat generation in panels and easier enclosure planning; Application → Ideal for compact control rooms and space-constrained installations.
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FAQs
FWX-250A supports blade-end x blade-end connections and stud mounting, enabling flexible installation in standard panels. Ensure proper torque on mounting studs and align blade terminals with mating connectors. Verify enclosure clearance and secure mounting to minimize vibration. This approach reduces wiring complexity and speeds up panel assembly for industrial automation projects.
FWX-250A is rated for 600 V with 250 A RMS, offering 200 kAIC Vac and 50 kAIC at 250 Vdc interrupt capability. These ratings enable rapid fault interruption in high-energy circuits, protecting motors, drives, and feeders from catastrophic damage while containing fault energy and reducing downstream failures.
Yes. FWX-250A is CSA Certified and UL Recognized, RoHS Compliant, and CE Marked. This combination supports global procurement, regulatory compliance, and safer maintenance in regulated industries such as manufacturing, automation, and energy sectors.
FWX-250A uses blade-end x blade-end connections and stud mounting, offering versatile compatibility with common control cabinets, busbars, and terminal blocks. Its compact 4.3 in length and 1.62 in width simplify enclosure layouts while maintaining secure, reliable fault protection in space-constrained panels.
The FWX-250A reduces downtime by delivering precise, fast fault clearing, protecting drives and wiring from short circuits. Its low watt losses (27 W) and compact form factor contribute to cooler panel operation and longer component life, translating to lower maintenance costs and improved asset utilization over the lifecycle of automated lines.