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In stock
$16.74EachSKU: FNQ-1/8Weight 0.175 lbs Dimensions 0.01138889 × 0.01138889 × 0.04166667 yd Brand Eaton Bussmann
Eaton-Bussmann, with its headquarters in St. Louis, Missouri, is a division of Eaton Corporation that specializes in the production of circuit protection products. These products are designed for use in the electrical, electronic, and automotive industries, both domestically and on a global scale. The company boasts a strong manufacturing network with facilities located in three domestic and six international locations, reflecting its commitment to serving customers worldwide. With a team of approximately 3,000 employees, Eaton-Bussmann is well-positioned to meet the ever-evolving needs of its customers in the electrical protection industry.
Eaton stands as a forward-thinking leader in power management, focused on enhancing lifestyles and safeguarding the planet. Leveraging the worldwide momentum of electrification and digital innovation, they propel the global shift towards renewable energy, addressing pressing power management issues on a global scale.Product type Low Voltage Fuse
Voltage 500 Volt
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In stock
$11.33EachSKU: FNQ-R-1/10Weight 0.175 lbs Dimensions 0.01138889 × 0.01138889 × 0.04166667 yd Brand Eaton Bussmann
Eaton-Bussmann, with its headquarters in St. Louis, Missouri, is a division of Eaton Corporation that specializes in the production of circuit protection products. These products are designed for use in the electrical, electronic, and automotive industries, both domestically and on a global scale. The company boasts a strong manufacturing network with facilities located in three domestic and six international locations, reflecting its commitment to serving customers worldwide. With a team of approximately 3,000 employees, Eaton-Bussmann is well-positioned to meet the ever-evolving needs of its customers in the electrical protection industry.
Eaton stands as a forward-thinking leader in power management, focused on enhancing lifestyles and safeguarding the planet. Leveraging the worldwide momentum of electrification and digital innovation, they propel the global shift towards renewable energy, addressing pressing power management issues on a global scale.Product type Low Voltage Fuse
Voltage 500 Volt
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In stock
$79.99SKU: FCF1RNBrand Eaton Bussmann
Eaton-Bussmann, with its headquarters in St. Louis, Missouri, is a division of Eaton Corporation that specializes in the production of circuit protection products. These products are designed for use in the electrical, electronic, and automotive industries, both domestically and on a global scale. The company boasts a strong manufacturing network with facilities located in three domestic and six international locations, reflecting its commitment to serving customers worldwide. With a team of approximately 3,000 employees, Eaton-Bussmann is well-positioned to meet the ever-evolving needs of its customers in the electrical protection industry.
Eaton stands as a forward-thinking leader in power management, focused on enhancing lifestyles and safeguarding the planet. Leveraging the worldwide momentum of electrification and digital innovation, they propel the global shift towards renewable energy, addressing pressing power management issues on a global scale.Product type Fuse
Voltage 600 Volt
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Eaton-Bussmann, with its headquarters in St. Louis, Missouri, is a division of Eaton Corporation that specializes in the production of circuit protection products. These products are designed for use in the electrical, electronic, and automotive industries, both domestically and on a global scale. The company boasts a strong manufacturing network with facilities located in three domestic and six international locations, reflecting its commitment to serving customers worldwide. With a team of approximately 3,000 employees, Eaton-Bussmann is well-positioned to meet the ever-evolving needs of its customers in the electrical protection industry.
Eaton stands as a forward-thinking leader in power management, focused on enhancing lifestyles and safeguarding the planet. Leveraging the worldwide momentum of electrification and digital innovation, they propel the global shift towards renewable energy, addressing pressing power management issues on a global scale.Product type Fuse
Voltage 600 Volt
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Eaton Bussmann Fuse JKS-1 Low Voltage Fuse
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$13.99SKU: JKS-1Brand Eaton Bussmann
Eaton-Bussmann, with its headquarters in St. Louis, Missouri, is a division of Eaton Corporation that specializes in the production of circuit protection products. These products are designed for use in the electrical, electronic, and automotive industries, both domestically and on a global scale. The company boasts a strong manufacturing network with facilities located in three domestic and six international locations, reflecting its commitment to serving customers worldwide. With a team of approximately 3,000 employees, Eaton-Bussmann is well-positioned to meet the ever-evolving needs of its customers in the electrical protection industry.
Eaton stands as a forward-thinking leader in power management, focused on enhancing lifestyles and safeguarding the planet. Leveraging the worldwide momentum of electrification and digital innovation, they propel the global shift towards renewable energy, addressing pressing power management issues on a global scale.Product type Low Voltage Fuse
Voltage 600 Volt
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Product Description: Bussmann FWH-80A High Speed Fuse
Overview
The Bussmann FWH-80A High Speed Fuse by Eaton delivers ultra-rapid circuit protection for sensitive semiconductor equipment. Engineered for precision and reliability, this 80-amp fuse safeguards high-value electronics like inverters, rectifiers, and drives from damaging overcurrent events in critical applications.
Key Features
✅ Ultra-Fast Response
- Clears fault currents in microseconds to minimize energy let-through (I²t), protecting vulnerable semiconductors like IGBTs and diodes.
✅ High Voltage Rating
- Rated for 500V AC/DC or 690V AC (model-specific), ideal for industrial power systems and renewable energy infrastructure.
✅ Robust Construction
- Ceramic body with quartz sand filler ensures superior arc quenching.
- Silver-plated copper terminals reduce resistance and prevent corrosion.
✅ Safety & Compliance
- Meets UL 248-10, IEC 60269-4, and CSA standards.
- 200kA breaking capacity at 500V AC for extreme fault scenarios.
✅ Optimized for Power Electronics
- Designed for:
- Variable Frequency Drives (VFDs)
- Uninterruptible Power Supplies (UPS)
- Solar inverters and EV charging stations
- Industrial motor controls
Technical Specifications
| Parameter | Value |
|---|---|
| Current Rating | 80A |
| Voltage Rating | 500V AC/DC or 690V AC* |
| Breaking Capacity | 200kA (500V AC), 100kA (690V AC) |
| Speed Class | Ultrafast (gR/gS) |
| Terminal Type | Blade (Knife-Blade Design) |
| Dimensions | 10.3mm x 38mm (Dia x L)** |
| Standards | UL, IEC, CSA |
*Verify exact voltage rating per model variant.
**Dimensions may vary slightly by configuration.
Why Choose the FWH-80A?
- Minimize Downtime: Prevents costly semiconductor failures in mission-critical systems.
- Global Compliance: Certified for use in North American, European, and international markets.
- Trusted Performance: Backed by Eaton’s legacy of industrial-grade circuit protection.
Ideal for engineers and OEMs seeking uncompromising protection for high-efficiency power conversion systems.
Note: Always confirm voltage ratings and compliance requirements for your specific application.
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