Eaton FWP-125A High Speed Fuse - UL Recognized
Part Number: FWP-125A
Quick Summary
Eaton FWP-125A is a high-speed fuse designed to protect power circuits in industrial control panels and DC/AC drives. This solution addresses nuisance trips and component damage by isolating faults quickly, preserving equipment and reducing downtime. It carries UL Recognized, CSA Certified, and CE Marked RoHS compliance, ensuring global acceptance and regulatory alignment. The 125 A RMS rating, 700 V rating, and high interrupt ratings support both AC and DC fault conditions, while blade-end and stud mounting options simplify retrofit and new-panel installation. For panel builders and OEMs, FWP-125A delivers reliable protection with compact dimensions and predictable response, enabling safer, faster commissioning and lower total cost of ownership.
Product Information
Extended Description
FWP-125A Eaton: Eaton Bussmann series FWP high speed fuse, 700 Vac/dc, 125A RMS, 200 kAIC Vac, 50 kAIC at 700 Vdc, Non Indicating, High speed fuse, Blade end X blade end, Stud
Product Name
Eaton Bussmann series FWP high speed fuse
Catalog Number
FWP-125A
UPC
051712150361
Product Length/Depth
5.3 in
Product Height
1.58 in
Product Width
1.57 in
Product Weight
0.6 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Certifications
UL Recognized CSA Certified
Amperage Rating
125A RMS
Interrupt rating
200 kAIC Vac 50 kAIC at 700 Vdc
Voltage rating
700 Vac/dc
Watt losses
28 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 - FWP-125A
FWP NA bolted fuse-links
FWP NA bolted fuse-links
Datasheet - FNQ-30
Feature: 125A RMS amperage rating with 200 kAIC interrupt rating on Vac and 50 kAIC at 700 Vdc. Benefit: Provides robust fault isolation to minimize equipment damage and downtime. Application: Ideal for industrial control panels feeding motors and drives where sudden faults can be costly. Feature → Business Impact → Application: 700 Vac/dc voltage rating enables protection across AC mains and DC buses, allowing safe protection in mixed-voltage systems without changing devices; Application: motor drives, power distribution, and control circuits in manufacturing facilities. Feature: Blade end x blade end connections and stud mounting offer flexible installation. Benefit: Simplifies integration with existing harnesses or panel mounting hardware, reducing labor time and error rates. Application: retrofit projects and new panel builds in OEM environments. Feature: Compact footprint—5.3 in length, 1.57 in width, 1.58 in height, 0.6 lb weight. Benefit: Enables fitment in dense electrical cabinets and control enclosures, improving panel density. Application: small to mid-size control panels and distributed power assemblies. Feature: CE Marked RoHS compliant, UL Recognized, CSA Certified. Benefit: Eases procurement, enhances regulatory compliance, and broadens market acceptance. Application: global projects requiring certified protection devices in industrial systems. Feature: 28 W watt losses. Benefit: Lower energy drag during steady-state operation, contributing to overall efficiency. Application: continuous operation in high-demand power circuits.
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FAQs
The FWP-125A protects electrical circuits in industrial power systems, including control panels and motor drives. It interrupts fault currents rapidly to minimize equipment damage and downtime, maintaining system uptime in demanding manufacturing environments.
Yes. The device features blade-end x blade-end connections and a stud mounting option, allowing flexible integration with existing harnesses or panel hardware. This versatility simplifies retrofits and new-panel installations, reducing assembly time and potential wiring errors.
The fuse is rated for 125A RMS with an interrupt rating of 200 kAIC at Vac and 50 kAIC at 700 Vdc, and a voltage rating of 700 Vac/dc. It also has watt losses of 28 W, suitable for steady-state operation in protected circuits.
FWP-125A is UL Recognized, CSA Certified, and CE Marked RoHS Compliant. These certifications facilitate global procurement, regulatory compliance, and reduced risk in cross-border projects, making it suitable for multinational deployments.
Ensure proper mounting in a ventilated enclosure, with correct torque on mounting hardware for stud connections. Use compatible blade-end or stud-mount hardware, observe clearance for heat dissipation, and follow the manufacturer’s datasheet to maintain interrupt performance and compliance.