🔌 Eaton Bussmann Round Body UL Fuses – Reliable Protection for Industrial Applications
Eaton Bussmann round body fuses, including the LPJ, FWH, FWP, and FWX series, deliver high-performance overcurrent protection for industrial systems, motor control, drives, power electronics, and semiconductor protection. Designed for compact installations and global use, these fuses combine UL/CSA certifications with fast response times and superior breaking capacities.
⚙️ Technical Overview
| Series | Type | Voltage | Current Range | Applications |
|---|---|---|---|---|
| LPJ | Time-Delay (Class J) | 600 V AC/DC | 1–600 A | Feeder & branch circuits, motors |
| FWH | Ultra-Rapid | 500 V AC/DC | 35–1600 A | Semiconductor & power module protection |
| FWP | Fast Acting | 700 V AC/DC | 10–1200 A | Inverters, UPS, drives |
| FWX | Very Fast Acting | 700 V AC | 35–1000 A | IGBT and SCR protection |
✅ Key Features & Benefits
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UL/CSA approved for international industrial applications
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High breaking capacity – up to 300 kA depending on fuse type
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Compact design – ideal for panel builders and OEMs
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Exceptional thermal and electrical performance
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Fast and ultra-fast response times for sensitive components
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Wide range of sizes and ratings for system compatibility
🧩 Typical Applications
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Motor protection and soft starters
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Power converters and industrial drives
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Semiconductor protection (IGBT, SCR, Diodes)
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Battery systems, UPS, and EV infrastructure
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Power control panels and switchgear
🔌 Compatible Fuse Holders
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DIN rail mount and bolt-on holders
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Available for standard Class J and Class L dimensions
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Touch-safe designs for maximum operator safety
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Easy replacement and installation options
🛒 Why Choose Eaton Bussmann Round Body UL Fuses?
Eaton Bussmann is a global leader in electrical protection, and its UL-certified fuses provide outstanding performance in demanding environments. Whether you're protecting power electronics, motors, or control systems, the LPJ, FWH, FWP, and FWX series offer proven reliability, fast operation, and ease of integration into modern systems.
Discover the Eaton Bussmann range of UL-certified round body fuses – designed for safety, built for industrial power.