Eaton FWH-80A High Speed Fuse - 700 Vac/dc Stud Mount
Part Number: FWH-80A
Quick Summary
The Eaton FWH-80A high-speed fuse protects electrical circuits in industrial power distribution and motor control applications. For engineers facing nuisance trips and downtime, fast overcurrent clearing minimizes damage to drives and wiring. This device is RoHS compliant and designed for robust stud mounting in demanding panels, with a 700 Vac/dc rating and an 80 A fuse element to match common industrial loads. SIL, CE and IP certifications vary by configuration; contact the factory for current approvals and datasheets. Using this fuse alongside proper protection coordination delivers improved uptime, reduced maintenance costs, and safer, more reliable equipment operation.
Product Information
Extended Description
FWH-80A Eaton: Eaton Bussmann series FWH high speed fuse, 700 Vac/dc, 80A, Non Indicating, High speed fuse, Stud
Product Name
Eaton Bussmann series FWH high speed fuse
Catalog Number
FWH-80A
UPC
051712150064
Product Length/Depth
4.6 in
Product Height
1.12 in
Product Width
1.8 in
Product Weight
0.2 lb
Warranty
Not Applicable
Compliances
Contact factory RoHS Compliant
Amperage Rating
80 A
Voltage rating
700 Vac/dc
Packaging type
Standard
Fuse indicator
Non Indicating
Mounting method
Stud
High-speed operation minimizes fault energy, delivering rapid interruption of overcurrent events before downstream equipment experiences excess stress. Business impact is measurable: reduced insulation damage, fewer cascading faults, and lower repair costs across motor drives and power distribution panels. Application: motor drives, switchgear assemblies, and high-energy DC links where fast clearing preserves system integrity. 80 A amperage rating paired with a 700 Vac/dc voltage rating matches demanding industrial loads. Business impact: protects delicate electronics while allowing normal startup currents, improving system uptime. Application: protective devices in control cabinets, motor starters, and inverter sections where precise protection is required. Stud mounting and compact footprint with standard packaging streamline panel installation. Business impact: reduces mounting time, improves heat dissipation, and enables reuse of existing hardware in retrofit projects. Application: retrofit panels and new builds in manufacturing lines, rack-based control architectures. Non-indicating fuse design lowers hardware complexity; rely on external indicators or diagnostic systems for status. Business impact: minimizes maintenance tasks and simplifies replacement logistics. Application: dense control rooms, space-constrained panels, and integration with condition monitoring systems. RoHS compliance and access to datasheets ensure regulatory alignment and procurement confidence. Business impact: supports compliant sourcing and faster approvals; data sheets and catalogs are available to support installation planning. Application: procurement teams evaluating Bussmann series protection in electrical protection and circuit control scenarios.
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FAQs
The FWH-80A is designed for 80 A, 700 Vac/dc circuits used in industrial power distribution, motor drives, switchgear, and control panels. Its high-speed action minimizes damage from overloads, reducing downtime and extending component life in harsh factory environments.
The data indicates RoHS compliance for the FWH-80A, with additional certifications varying by configuration. For current approvals such as CE or SIL, consult Eaton’s factory certification data and datasheets to confirm the exact spec for your application.
The fuse measures 4.6 inches in length, 1.8 inches in width, and 1.12 inches in height, and it mounts via studs. It is shipped in standard packaging suitable for panel mounting and retrofit projects, enabling straightforward installation in existing frames.
Ensure the 80 A rating and 700 Vac/dc voltage rating match the driven load and upstream protection. Coordinate with upstream fusing and drive fault settings to avoid nuisance trips, and reference the Eaton datasheet for torque and connection guidelines to maintain warranty and performance.
The provided data lists the warranty as Not Applicable. Lifecycle performance will depend on operating conditions, switching frequency, and system protection coordination; for replacement guidelines and performance expectations, consult Eaton’s technical support or datasheets.