Bussmann FWP-20A14F High Speed Fuse

Bussmann FWP-20A14F High Speed Fuse

Ultra-Fast Protection for Sensitive Electronics

Overview

The Bussmann FWP-20A14F is a premium very fast-acting (Class J) fuse designed to safeguard semiconductors, rectifiers, and high-value electronic circuits from catastrophic overcurrent events. With a precise 20A rating and robust ceramic construction, it delivers reliable, high-speed interruption to minimize damage in demanding industrial applications.

Key Features

• Ultra-Rapid Response: Clears fault currents within milliseconds to protect sensitive components like IGBTs, diodes, and thyristors.
• High Breaking Capacity: 200 kA interrupting rating at 700V AC/DC ensures safety in high-energy environments.
• Precision Rated: 20A current rating (±10%) for consistent overcurrent protection.
• Rugged Design: Ceramic body with silica sand filling for arc suppression, resistant to thermal shock and vibration.
• Wide Compatibility: Meets IEC 60269-4 and UL 248-14 standards; ideal for solar inverters, motor drives, and industrial power supplies.

Technical Specifications

Applications

• Renewable Energy: Solar inverters, wind turbine converters.
• Industrial: VFDs (Variable Frequency Drives), CNC machinery, welding equipment.
• Transportation: EV charging systems, traction controls.
• Power Electronics: UPS systems, rectifiers, DC power supplies.

Why Choose FWP-20A14F?

Engineered by Eaton’s Bussmann division—a global leader in circuit protection—this fuse combines zero maintenance with fail-safe operation. Its time-current curve ensures optimal coordination with downstream devices, reducing downtime and replacement costs.

Note: For time-current graphs and detailed installation guidelines, consult the official Eaton FWP series datasheet.

Backed by 100+ years of Bussmann innovation—trusted where reliability is non-negotiable.