Eaton FWJ-1A6F-10 high speed fuse - 50 kAIC at 20% pf
Part Number: FWJ-1A6F-10
Quick Summary
FWJ-1A6F-10 high speed fuse is designed to protect sensitive electronics in control panels and power supplies. Engineers often battle nuisance trips and insufficient fault protection that disrupts production schedules. This device carries CE Marked and UL/CSA certifications, delivering reliable safety and global compliance. By combining compact ferrule-end construction with proven fast-acting protection, it enables efficient panel layouts while simplifying sourcing. The resulting business value includes reduced downtime, lower spare-part inventory, and consistent protection for critical loads in electrical protection & circuit control environments.
Product Information
Extended Description
FWJ-1A6F-10 Eaton: Eaton Bussmann series FWJ high speed fuse, 1A RMS, 50 kAIC at 20% pf, Non Indicating, High speed fuse, Ferrule end X ferrule end
Product Name
Eaton Bussmann series FWJ high speed fuse
Catalog Number
FWJ-1A6F-10
UPC
051712539654
Product Length/Depth
1.25 in
Product Height
0.25 in
Product Width
0.25 in
Product Weight
0.105 lb
Warranty
Not Applicable
Compliances
CE Marked
Certifications
UL CSA
Amperage Rating
1A RMS
Interrupt rating
50 kAIC at 20% pf
Watt losses
1.7 W
Packaging type
Standard
Connection
Ferrule end x ferrule end
Fuse indicator
Non Indicating
FWJ-1A6F-10~BUSS SEMICONDUCTOR FUSE
FWJ-1A6F-10~BUSS SEMICONDUCTOR FUSE
Eaton Specification Sheet - FWJ-1A6F-10
Feature → Business Impact → Application: 1A RMS rating delivers precise current limit for delicate electronics, reducing false trips and extending component life in control circuits and instrumentation panels. This supports improved uptime and lower maintenance costs for automated lines. Application: semiconductor test rigs and small control loops where tight protection is required. 50 kAIC interrupt rating at 20% pf enables safe interruption of high-energy faults without collateral damage, protecting upstream breakers and downstream equipment in manufacturing lines. Application: motor drives, drives AC/DC conversion stages, and power supplies with variable fault currents. Ferrule end x ferrule end connection offers quick, vibration-resistant terminations, speeding panel assembly and ensuring reliable conductivity in tight enclosures. Application: compact control cabinets and automotive charging modules. Non-indicating design keeps costs down while reducing mechanical complexity; use with panel indicators and monitoring schemes to maintain visibility where needed. Application: budget-conscious, high-density switchgear and power distribution layouts. Watt losses of 1.7 W are characteristic for this class, supporting energy efficiency goals in smart factories. Application: energy-aware power protection schemes within Industry 4.0 environments.
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FAQs
FWJ-1A6F-10 uses ferrule end terminations for secure, vibration-resistant connections. When installing in control panels, ensure compatible ferrule sizing and compatible wire gauges, locate the fuse so it is accessible for replacement, and verify clearances around the device to prevent heat buildup. Follow manufacturer torque guidelines to maintain proper contact and reliability.
The fuse is rated for 1A RMS and provides a 50 kAIC interrupt rating at 20% power factor. It consumes approximately 1.7 W of watt loss during operation and is non-indicating, meaning it does not provide a visual trip indicator. The product is CE marked and listed under UL/CSA certifications.
Yes. Its 1A RMS rating and high interrupt capacity make it well suited for protecting sensitive control electronics, instrumentation, and small power supplies in automation cabinets. The ferrule-end design simplifies panel wiring, and its compact footprint supports dense panel layouts without compromising protection.
FWJ-1A6F-10 is CE marked and UL/CSA listed. These certifications demonstrate compliance with European and North American safety and performance standards, facilitating global procurement, regulatory approvals, and safer integration into industrial automation environments.
Plan for timely replacement after a fault, as this is a non-indicating fuse. Maintain spare parts coverage for critical lines, document circuits protected by FWJ-1A6F-10, and use proper indicators in monitoring schemes to verify health remotely. This approach minimizes downtime and sustains protection for expensive downstream equipment.