Eaton FWH5-020A6F High Speed Fuse - 50 kAIC, 500V
Part Number: FWH5-020A6F
Quick Summary
Eaton FWH5-020A6F High Speed Fuse protects 500 V circuits in industrial automation and control panels. Engineers often contend with nuisance trips and downtime when protection is mis-specified or slow to interrupt; this fuse design prioritizes precise, fast clearing to minimize damage. It carries CE marking, RoHS compliance, and CSA certification to support global manufacturing requirements. The compact 1.438 in length and 1.25 in width fit standard fuse blocks, simplifying stocking and replacement. With a 20 A rating and 50 kAIC interrupt capacity, it coordinates safely with downstream devices, while a non-indicating design reduces panel clutter and eases diagnostics. This part integrates smoothly with Eaton Bussmann and other Bussmann series components, delivering reliable supply and consistent performance for automation projects.
Product Information
Extended Description
FWH5-020A6F Eaton: Eaton Bussmann series FWH high speed fuse, Electric engineering, 500V, 20A, 50 kAIC, Non Indicating, High speed fuse - FWH5-020A6F
Product Name
Eaton Bussmann series FWH high speed fuse
Catalog Number
FWH5-020A6F
UPC
051712531986
Product Length/Depth
1.438 in
Product Height
0.188 in
Product Width
1.25 in
Product Weight
0.04 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Certifications
CSA Certified
Amperage Rating
20 A
Interrupt rating
50 kAIC
Voltage rating
500 V
Packaging type
Standard
Fuse indicator
Non Indicating
Special features
Electric engineering
FWH5-020A6F~BUSS, SEMICONDUCTOR, 500V
FWH5-020A6F~BUSS, SEMICONDUCTOR, 500V
Eaton Specification Sheet - FWH5-020A6F
Feature: 20 A amperage rating with a 50 kAIC interrupt rating at 500 V. Business Impact: Fast fault clearance minimizes conductor damage, reduces downtime, and protects sensitive drives and control circuitry. Application: Ideal for industrial control panels and motor drive circuits where rapid interruption is critical. Feature: High speed, fast-acting protection profile. Business Impact: Limits arc energy and damage in short-circuit events, improving equipment longevity and maintenance intervals. Application: Power distribution blocks and machine automation controllers that require precise coordination with other protection devices. Feature: Non Indicating fuse. Business Impact: Reduces panel clutter, simplifies installation, and enables status monitoring through upstream diagnostics. Application: Control panels where indication is provided by separate monitoring hardware. Feature: Compliance and certifications (CE Marked, RoHS Compliant, CSA Certified). Business Impact: Supports regulatory alignment across regions, simplifying cross-border builds and audits. Application: Electronics cabinets in automotive, packaging, and general manufacturing sectors. Feature: Compact physical footprint (1.438 in L × 1.25 in W × 0.188 in H). Business Impact: Easier integration in tight enclosures and standardized Bussmann series enclosures, cutting back on space costs. Application: Retrofit and new installations in compact control cabinets. Feature: 500 V rating with standard packaging type (Standard). Business Impact: Enables reliable operation in medium voltage control circuits with predictable performance. Application: Industrial machinery, conveyors, and process equipment requiring durable overcurrent protection.
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FAQs
The FWH5-020A6F is designed for standard Bussmann series holders and fuse blocks used in industrial control panels. With a length of 1.438 in, width of 1.25 in, and height of 0.188 in, it fits common DIN-rail or enclosure-mounted layouts, provided the mounting accommodates 20 A, 500 V fast-acting fuses. Verify holder compatibility and ensure the panel wiring matches the 50 kAIC interrupt rating for reliable protection.
Key specs are 20 A amperage rating, 500 V voltage rating, and a 50 kAIC interrupt rating. It is a high-speed, non-indicating fuse designed to rapidly interrupt faults, protecting downstream components while minimizing arc energy and collateral damage in short-circuit events.
Yes, for drives and control circuits that require fast protection and clear coordination with upstream protection devices. The 50 kAIC interrupt rating supports high fault current environments, while the 500 V rating covers common automation drive applications. Non-indicating status means you should rely on external diagnostic feedback for status monitoring.
The device is CE Marked and RoHS Compliant, with CSA Certification. These certifications verify safety, environmental compliance, and cross-border suitability for many global manufacturing environments, supporting regulatory audits and supplier qualification processes.
Costs are typically tied to replacement cycles and downtime reductions. The high-speed action minimizes damage during faults, lowering repair costs and downtime. Its compact size aids stocking and quick replacement, and its compatibility with Bussmann series components simplifies procurement and BOM management for steady ROI in automation projects.