Bussmann FWP-20A14F High Speed Fuse

SKU: C81FCF44

$65.69

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Description

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

Parameter Value
Series FWP
Current Rating 20A
Voltage Rating 700V AC/DC
Speed Class Class J (Very Fast-Acting)
Breaking Capacity 200 kA @ 700V
Body Material Ceramic
Dimensions 10.3 x 38 mm (Dia x Length)
Terminals Blade-type (Fork contacts for secure clip mounting)
Standards UL 248-14, IEC 60269-4

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.

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Shipping and Returns
Returns are easy You may return items within 30 days of delivery for a refund. View our return policy FREE Shipping on orders over $49. Eaton Bussmann Fuse Relay Online Sales Store offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s). Same Day Shipping We strive to ship out your items within one business day. In rare circumstances, Eaton Bussmann Fuse Relay Online Sales Store may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.
1-Year Warranty
Eaton Bussmann's fuses and relays for sale are brand new and come with a 1-year comprehensive warranty. Rest assured, all products are authentic OEM (original equipment manufacturer).