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Eaton Bussmann FWJ400A High-Voltage Electrical Fuse

This precise high-voltage fuse is designed for critical electrical systems, rated at 1000 VAC and capable of handling currents up to 400 Amps. It features fast-acting characteristics, ensuring quick protection against overcurrent conditions. The bolt mount configuration provides secure installation, making it suitable for load and branch circuit protection in industrial, commercial, and high-voltage environments. With a robust construction and clear specifications, this fuse enhances system reliability by effectively interrupting fault currents and preventing equipment damage. It meets UL recognition standards and is ideal for demanding electrical protection applications.

Authorized Distributors
Source:DigiKey
Part No:FWJ-400A
Stock:0
Inv Date:06-11-2026
Price: Unit price: $1326.83
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Part No:FWJ-400A
Stock:0
Inv Date:06-12-2026
Price: Unit price: $1377.09
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Part No:FWJ-400A
Stock:0
Inv Date:06-11-2026
Price: Unit price: $1374.25
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Part No:FWJ-400A
Stock:0
Inv Date:06-11-2026
Price: Unit price: $1041.16
Buy/RFQ:
Part No:FWJ-400A
Stock:0
Inv Date:06-11-2026
Price: Unit price: $1041.16
Buy/RFQ:

Eaton Bussmann FWJ400A High-Voltage Electrical Fuse Specifications:

  • Rated Voltage: 1000 VAC
  • Current Capacity: 400 Amps
  • Type: Fast-acting fuse
  • Mounting: Bolt mount
  • Dimensions: 50.80 mm x 146.51 mm
  • Suitable for high-voltage applications
  • UL Recognition: Yes for 35-600A
  • Interrupting Rating: 25kA (35-200A), 100kA (250-2000A)
  • Voltage Rating: 1000 VAC
  • Material: High electrical and thermal stability
  • Protection Class: High-speed fuse
  • Application: Circuit protection in electrical systems

Buy the Cooper Series FWJ High-Voltage Fuse: FWJ400A

Purchase the Cooper FWJ400A high-voltage fuse online today and ensure maximum system protection with fast-acting, reliable circuit interruption. Designed for demanding electrical environments, this fuse handles currents up to 400 amps at 1000 volts, providing quick response to overloads and faults. Its bolt mount configuration ensures secure installation in industrial and commercial systems. Trust this UL-recognized fuse for exceptional safety and durability, making it an essential component for high-voltage circuit protection. Order now for fast delivery and superior electrical safety.

Get Cooper FWJ400A today—built for high-voltage applications with reliable, fast-acting circuit protection.

Frequently Asked Questions

Where can I buy Eaton Bussmann FWJ400A?

You can click on the BUY or RFQ button to purchase FWJ400A from an authorized Eaton Bussmann distributor.

How do I troubleshoot issues or seek technical support for part FWJ400A?

You can download the FWJ400A datasheet or visit the Eaton Bussmann website for support.

Who is the manufacturer of FWJ400A?

Eaton Bussmann

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