Eaton FWX-800A High Speed Fuse - UL Recognized
Part Number: FWX-800A
Quick Summary
The Eaton FWX-800A high speed fuse is a fast-acting protector for electrical systems in industrial machinery. Choosing the right fuse for high-speed protection can be challenging under varying load conditions. It carries UL Recognized, CSA Certified, and CE RoHS compliance, ensuring safety, traceability, and global acceptance. For OEMs and maintenance teams, this device offers reliable protection with 600 V rating, 800 A RMS capacity, and straightforward mounting. This helps protect critical equipment like motor drives and control panels from destructive faults, reducing downtime and maintenance costs. Its high-speed response minimizes fault energy, supporting safe startups and regulatory compliance across industries.
Product Information
Extended Description
FWX-800A Eaton: Eaton Bussmann series FWX high speed fuse, 600V, 800A 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-800A
UPC
051712150767
EAN
5027590061704
Product Length/Depth
5.4 in
Product Height
2.2 in
Product Width
2.1 in
Product Weight
0.8 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Certifications
UL Recognized CSA Certified
Amperage Rating
800A RMS
Interrupt rating
200 kAIC Vac 50 kAIC at 250 Vdc
Voltage rating
600 V
Watt losses
84 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-800A
Bussmann series FWX 35-2500A high speed fuses data sheet no. 720005
Bussmann series FWX 35-2500A high speed fuses data sheet no. 720005
Datasheet - FNQ-30
Feature: 600 V rating with 800 A RMS current and 200 kAIC interrupt capability. Business Impact: Delivers fast fault clearing to protect high-power drives and reduce downtime in automation lines. Application: Motor drives and power distribution panels in manufacturing and packaging environments. Feature: Blade end x blade end connections and stud mounting. Business Impact: Flexible installation and compatibility with standard bus assemblies, reducing engineering time and wiring errors. Application: Control cabinets and panel builders needing versatile fuse mounting. Feature: Compact dimensions (5.4 in length, 2.2 in height, 2.1 in width) and weight of 0.8 lb. Business Impact: Space-saving design enables higher panel density and easier replacement logistics. Application: Tight-control panels in automotive, plastics, and food-and-beverage equipment. Feature: Watt losses of 84 W. Business Impact: Supports energy-efficient protection with predictable thermal performance in enclosed panels. Application: High-density electrical rooms and OEM cabinetry. Feature: Compliance and certifications (CE Marked, RoHS Compliant; UL Recognized, CSA Certified). Business Impact: Smooth regulatory approval and global market acceptance. Application: International equipment shipments and multinational installations.
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FAQs
FWX-800A supports blade end x blade end connections and a stud mounting method, offering flexible integration into existing panel architectures. This versatility reduces wiring complexity, speeds up installation, and allows easy retrofits in control cabinets and power distribution panels. Builders can standardize on a single fuse family across equipment to simplify spares and maintenance.
The FWX-800A provides a 600 V rating, 800 A RMS continuous current, and high interrupt ratings of 200 kAIC Vac and 50 kAIC at 250 Vdc. These specs enable fast fault clearance and secure protection coordination in high-power drives and feeders, reducing arc energy and limiting damage to downstream equipment while meeting coordination requirements with upstream devices.
Yes. The FWX-800A is UL Recognized, CSA Certified, and CE Marked RoHS Compliant. These certifications support global procurement, simplify qualification for international markets, and ensure the fuse meets safety and environmental standards required by modern electrical systems in diverse industries.
With rapid fault clearing and a compact form factor, FWX-800A minimizes outage time during faults and eases field replacement. Its non-indicating design reduces nuisance trips and keeps panel interiors cleaner, while the 600 V/800 A RMS rating aligns with common industrial drives, helping technicians coordinate protection without overdesigning the system.
FWX-800A supports blade end x blade end connections and stud mounting, offering both wiring-friendly assembly and robust mechanical support. When planning, match the panel design to the mounting method, ensure proper torque on studs, and verify fit within the enclosure to optimize accessibility for testing and replacement during maintenance intervals.