Eaton FWX-70A High Speed Fuse - 200 kAIC Vac
Part Number: FWX-70A
Quick Summary
The Eaton FWX-70A High Speed Fuse delivers fast protection for 600 V systems used in motor drives and control panels. Slow or underspecified protection frequently causes nuisance trips or unplanned downtime when high-energy faults occur, eroding productivity and uptime. UL Recognized and CSA Certified with CE RoHS compliance provide regulatory assurance for global installations. With blade-end x blade-end connections and a robust stud mounting option, it fits common industrial enclosures without costly adapters. Designed for Bussmann FWX family compatibility, it offers reliable replacement in service loops and service corridors. The compact form factor supports tighter panel layouts while meeting safety standards, delivering measurable reliability improvements across critical manufacturing lines.
Product Information
Extended Description
FWX-70A Eaton: Eaton Bussmann series FWX high speed fuse, 600V, 70A 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-70A
UPC
051712150606
Product Length/Depth
3.11 in
Product Height
3.11 in
Product Width
1.23 in
Product Weight
0.3 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Certifications
UL Recognized CSA Certified
Amperage Rating
70A RMS
Interrupt rating
50 kAIC at 250 Vdc 200 kAIC Vac
Voltage rating
600 V
Watt losses
7.2 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-70A
FWX-70A~BUSS HIGH SPEED FUSE
FWX-70A~BUSS HIGH SPEED FUSE
Datasheet - FNQ-30
Feature: 600 V voltage rating and 70 A RMS enable protection of medium-power drives and distribution circuits. Business Impact: Fast interruption minimizes arc flash risk, reduces energy waste, and lowers potential equipment damage, improving line reliability. Application: Motor drives, inverters, and power control panels benefit from compact, high-speed protection. Feature: Interrupt rating of 200 kAIC at Vac and 50 kAIC at 250 Vdc provides robust fault current handling. Business Impact: Higher fault current tolerance means less collateral damage during short circuits and extended system uptime. Application: Elevator drives, CNC machines, and processing lines in high-energy environments achieve safer, more predictable trips. Feature: Connection options Blade end x blade end with Stud mounting give installation flexibility. Business Impact: Simplified retrofits and faster integration in existing gear reduce commissioning time and spare part variety. Application: Standard fuse holders in control cabinets and equipment racks across new builds and revamps. Feature: Non-indicating fuse indicator keeps panel clutter low but requires monitoring strategy. Business Impact: Reduces visual failure points while encouraging routine status checks with auxiliary indicators or monitoring modules. Application: Compact automation panels where indicator visibility is limited. Feature: Compliance and certifications UL Recognized, CSA Certified, CE Marked RoHS Compliant. Business Impact: Regulatory alignment eases procurement across global plants and speeds qualification cycles. Application: Global manufacturing lines requiring traceability and safety certification. Feature: Dimensions and weight 3.11 in length, 3.11 in height, 1.23 in width; 0.3 lb. Business Impact: Small footprint and light weight simplify enclosure design and reduce mounting complexity. Application: Space-constrained panels and modular racks in automation environments.
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FAQs
Yes. The FWX-70A uses blade-end x blade-end connections and offers a stud mounting option, enabling straightforward installation in many common Bussmann FWX housing and cabinet configurations without adapters. This compatibility supports quick upgrades and minimizes wiring changes in existing panels.
FWX-70A is rated for 70 A RMS with a voltage rating of 600 V. It provides an interrupt rating of 200 kAIC at AC and 50 kAIC at 250 V DC, with watt losses listed at 7.2 W. These specs enable fast fault clearing while accommodating high-energy faults in industrial drives and feeders.
The FWX-70A is ideal for protecting 600 V motor drives, power distribution panels, and DC bus protections in automation equipment. Its high interrupt capacity makes it suitable for high-short-circuit environments typical in manufacturing lines, while its compact form factor eases integration in space-constrained enclosures.
FWX-70A is UL Recognized, CSA Certified, and CE Marked RoHS Compliant. These certifications support safety, compliance, and environmental standards across global markets, accelerating procurement decisions and reducing regulatory risk for multinational installations.
By delivering fast protection against high-energy faults, FWX-70A minimizes unplanned downtime and equipment damage, lowering maintenance costs and production losses. Its compatibility with existing FWX systems reduces retrofit costs, while robust certifications support quicker qualification and deployment across plants.