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Eaton Bussmann FWX450A High-Current Fast-Acting Fuse

This fast-acting fuse rated for 250 VAC and 250 VDC supports a current capacity of 450 amps, ensuring reliable protection for high-current electrical systems. It features a bolt mount package measuring 38.10mm by 97.54mm, providing secure installation and efficient current interruption. Designed to withstand demanding operating conditions, this fuse offers excellent arc voltage performance and a high interrupting rating of 200kA RMS. Its robust construction and U.L. recognition make it ideal for electrical safety applications requiring quick response to overcurrent faults.

Authorized Distributors
Source:DigiKey
Part No:FWX-450A
Stock:0
Inv Date:06-11-2026
Price: Unit price: $403.48
Buy/RFQ:
Part No:FWX-450A
Stock:0
Inv Date:06-12-2026
Price: Unit price: $408.06
Buy/RFQ:
Part No:FWX-450A
Stock:0
Inv Date:06-11-2026
Price: Unit price: $411.55
Buy/RFQ:
Part No:FWX-450A
Stock:0
Inv Date:06-11-2026
Price: Unit price: $289.16
Buy/RFQ:
Part No:FWX-450A
Stock:0
Inv Date:06-11-2026
Price: Unit price: $289.16
Buy/RFQ:

Eaton Bussmann FWX450A High-Current Fast-Acting Fuse Specifications:

  • Rated Voltage: 250 VAC and 250 VDC
  • Current Capacity: 450 Amps
  • Package Dimensions: 38.10mm by 97.54mm
  • Mounting Type: Bolt
  • Interrupting Rating: 200KA RMS
  • Type: Fast-acting fuse
  • Recognition: UL Listed
  • Peak Arc Voltage: Variable with applied voltage
  • Application: Electrical system protection
  • Construction: Robust with high thermal and electrical endurance

Buy the Cooper Series FWX Fuse: 250VAC 250VDC 450A Ultra-High Current Protection

Secure your electrical systems with the Cooper FWX450A high-current fast-acting fuse. Designed for 250VAC and 250VDC applications, it supports a current capacity of 450 amps. Featuring a bolt mount package measuring 38.10mm by 97.54mm, this UL-listed fuse provides reliable automatic protection against overcurrent conditions. Its high interrupting rating of 200kA RMS ensures safety during fault events. Easy to install and durable, this fuse is ideal for demanding industrial and commercial electrical installations, guaranteeing system safety and operational dependability.

Buy Cooper FWX450A fuse now and experience unmatched reliability and performance for high-current electrical safety.

Frequently Asked Questions

Where can I buy Eaton Bussmann FWX450A?

You can click on the BUY or RFQ button to purchase FWX450A from an authorized Eaton Bussmann distributor.

How do I troubleshoot issues or seek technical support for part FWX450A?

You can download the FWX450A datasheet or visit the Eaton Bussmann website for support.

Who is the manufacturer of FWX450A?

Eaton Bussmann

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