Eaton FWH-275A High Speed Fuse - 200 kAIC at 1000 Vac
Part Number: FWH-275A
Quick Summary
The Eaton Bussmann FWH high speed fuse protects power circuits with rapid fault interruption in industrial drives and distribution panels. Engineers often contend with damaging surges, nuisance trips, and costly downtime when protective devices respond too slowly. This FWH part carries CE marking, RoHS compliance, UL Recognized and CSA Certified seals, supporting global safety, quality, and traceability. Its arrangement for blade end x blade end connections or stud mounting simplifies installation in standard Bussmann series racks and control cabinets. In practice, the FWH-275A helps reduce fault energy, improves uptime, and accelerates compliance testing for diverse electrical protection applications. Its 275A RMS rating, 1000 Vac / 800 Vdc voltage, and 200 kAIC interrupt capability align with medium to heavy industry needs.
Product Information
Extended Description
FWH-275A Eaton: Eaton Bussmann series FWH high speed fuse, 1000 Vac, 800 Vdc, 275A RMS, 200 kAIC at 1000 Vac, 50 kAIC at 500 Vdc, Non Indicating, High speed fuse, Blade end X blade end, Stud
Product Name
Eaton Bussmann series FWH high speed fuse
Catalog Number
FWH-275A
UPC
051712153775
EAN
5027590061247
Product Length/Depth
1.69 in
Product Height
1.61 in
Product Width
4.52 in
Product Weight
0.52 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Certifications
CSA Certified UL Recognized
Amperage Rating
275A RMS
Interrupt rating
50 kAIC at 500 Vdc 200 kAIC at 1000 Vac
Voltage rating
1000 Vac, 800 Vdc
Watt losses
46 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 - FWH-275A
Bussmann series FWH 6x32mm high speed fuse data sheet no. 720038
Bussmann series FWH 6x32mm high speed fuse data sheet no. 720038
Datasheet - FNQ-30
Feature: 275A RMS current rating with 200 kAIC interrupt at 1000 Vac → Business Impact: Enables reliable protection for high-current loads, reducing unplanned downtime and equipment damage in motor drives and power distribution. Application: Suitable for medium-to-high current control panels and drive systems. Long-tail keyword integration: high current fuse, motor drive protection, electrical protection & circuit control. Feature: 1000 Vac / 800 Vdc voltage rating → Business Impact: Supports cross‑border installations (Euro/North America) with compliant performance, minimizing voltage-related faults. Application: Industrial power electronics and control cabinets. Feature: Blade end x blade end and stud mounting → Business Impact: Installation versatility lowers assembly time and improves vibration resilience in rugged environments. Application: Bussmann series assemblies and standard 6x32mm fuses. Feature: Non indicating design with 46 W watt losses → Business Impact: Reduces maintenance costs while delivering predictable performance in dense panel layouts. Application: Energy-efficient protection in space-constrained panels. Feature: Certifications CE, RoHS, UL Recognized, CSA Certified → Business Impact: Eases procurement, regulatory compliance, and customer acceptance across global markets. Application: International projects requiring safety and quality assurances.
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FAQs
The FWH-275A supports blade end x blade end connections as well as stud mounting, providing installation flexibility across control panels, motor drives, and utility panels. This versatility helps engineers optimize space and ensures secure mechanical retention in vibration-prone environments.
It is rated for 275A RMS with an interrupt rating of 200 kAIC at 1000 Vac and 50 kAIC at 500 Vdc. The voltage rating is 1000 Vac / 800 Vdc, and it consumes about 46 W in continuous operation, delivering fast fault interruption for sensitive power electronics and drive systems.
Yes. The FWH family is designed around standard 6x32mm high speed fuse formatting and Bussmann series compatibility. For installation guidance, refer to the 6x32mm data sheet 720038 and the Bussmann catalog that covers blade end and stud mounting variants in typical control cabinet assemblies.
The FWH-275A carries CE marking, RoHS compliance, UL Recognized, and CSA Certified statuses. These certifications support global safety, environmental, and quality standards, simplifying procurement and ensuring reliable performance in international electrical protection applications.
It delivers fast fault interruption reducing downtime and fault energy, supports high current loads with 275A RMS rating, and provides robust protection with high interrupt ratings. Combined with RoHS/CE/UL/CSA compliance, it streamlines procurement, improves reliability in motor drives and distribution panels, and supports safer, compliant energy protection strategies.