Eaton FWH-250A High Speed Fuse - CE RoHS Certified
Part Number: FWH-250A
Quick Summary
The Eaton FWH-250A high speed fuse protects electrical circuits in industrial power control panels, delivering fast interruption for motor drives. Selecting the wrong fuse can trigger nuisance trips or leave equipment unprotected in fast-changing load conditions. This device is CE marked and RoHS compliant, CSA Certified and UL Recognized, ensuring regulatory compliance and field reliability. Engineered for high-demand applications in motor drives and power distribution, it supports blade-end x blade-end connections and stud mounting for flexible installation. With a 250 A RMS rating and an interrupt capability of 200 kAIC at 1000 Vac, it helps reduce downtime and simplify procurement in a single, certified solution.
Product Information
Extended Description
FWH-250A Eaton: Eaton Bussmann series FWH high speed fuse, 1000 Vac, 800 Vdc, 250A 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-250A
UPC
051712150149
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
250A RMS
Interrupt rating
200 kAIC at 1000 Vac 50 kAIC at 500 Vdc
Voltage rating
1000 Vac, 800 Vdc
Watt losses
41 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-250A
Bussmann series FWH 35-1600A high speed fuses data sheet no. 720007
Bussmann series FWH 35-1600A high speed fuses data sheet no. 720007
Datasheet - FNQ-30
High-speed protection minimizes arc energy and rapidly clears faults, reducing damage to power electronics and downstream components. The FWH family delivers fast interruption with an interrupt rating of 200 kAIC at 1000 Vac and 50 kAIC at 500 Vdc, enabling safer, more reliable operation in demanding applications. In motor drives, conveyors, and panel boards, this rapid action translates to shorter fault durations and lower maintenance costs over the asset life. With a 250 A RMS amperage rating and 1000 Vac / 800 Vdc maximum ratings, the device protects high-current loads without sacrificing reliability. The watt losses of 41 W provide a transparent thermal profile for engineering teams designing cabinet cooling and venting. Engineers can spec this fuse with confidence in systems that experience significant inrush or peak currents during startup. Connection options include blade end x blade end and stud mounting, offering flexible integration with existing panel boards, bus bars, and control cabinets. The non-indicating design reduces wiring complexity and eliminates unnecessary indicators, lowering part count and maintenance intervals. The FWH-250A also comes in a compact footprint, making it easier to fit in tight enclosures without compromising safety clearances. Certified for regulatory compliance, the device carries CE Marked RoHS compliance and CSA/UL recognition, streamlining qualification for global deployments. This combination supports safe deployment in European and North American facilities and simplifies supplier qualification during audits. For engineers, these certifications translate into faster procurement cycles and documented risk mitigation in critical automation architectures. From a lifecycle perspective, standard packaging and broad compatibility with blade and stud terminations simplify stocking and replacement across plants. The catalog number FWH-250A enables fast sourcing and consistent interchange in Eaton Bussmann series installations. By aligning protection with exact load profiles, maintenance teams realize predictable MTBO and reduced total cost of ownership over multi-year asset lifecycles.
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FAQs
The FWH-250A provides blade end x blade end connections and stud mounting, offering flexible integration with existing panel boards, switchgear, and bus bar assemblies. This combination supports quick replacement in service environments and reduces wiring complexity. When selecting a mounting approach, verify clearance for the 1.69 in by 4.52 in footprint and ensure suitable torque on mounting studs to prevent loose connections.
Key ratings show how protection translates to live equipment. The FWH-250A supports 250 A RMS with 1000 Vac and 800 Vdc maximums, enabling rapid opening during overload or fault events. Its interrupt ratings—200 kAIC at 1000 Vac and 50 kAIC at 500 Vdc—define the highest fault current it can safely interrupt, informing fuse selection for motor drives, power panels, and high-inrush loads.
Yes, the FWH-250A is well suited for motor drives and power distribution panels requiring fast fault interruption. Its high-speed performance limits arc energy, protecting drives, contactors, and control electronics. The blade-end and stud termination options support versatile panels, while the non-indicating design minimizes alerting hardware in compact cabinets.
The FWH-250A carries CE Marked and RoHS compliance, along with CSA Certified and UL Recognized status. These certifications ensure compliance with European and North American safety standards, reduce qualification time for new equipment, and support documentation for audits and customer requirements in regulated industries such as packaging, food processing, and machinery manufacturing.
Lifecycle considerations center on reliability and availability. The FWH-250A’s non-indicating design reduces field failures and wiring complexity, while its robust 250 A RMS and 200 kAIC rating minimize downtime during faults. Proper replacement strategy uses the catalog number FWH-250A for fast sourcing, enabling predictable maintenance intervals and a lower total cost of ownership over multi-year asset lifecycles.