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Eaton Bussmann FWA45A21F Electrical Fast-Acting Fuse

This is a fast-acting electrical fuse rated for 150 volts AC/DC, with a 45-amp current capacity, designed for reliable overcurrent protection in industrial and electronic applications. The fuse features a cylindrical package measuring 20.60 mm in diameter and 50.80 mm in length, suitable for easy mounting in fuse holders. Its construction ensures quick operation during overloads, protecting sensitive components and circuits. Commonly used in power distribution, control systems, and automation setups, this fuse provides dependable safety and minimizes downtime during electrical faults.

Authorized Distributors
Source:DigiKey
Part No:FWA-45A21F
Stock:0
Inv Date:06-11-2026
Price: Unit price: $174.946
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Source:DigiKey
Part No:FWA-45A21F
Stock:5
Inv Date:06-11-2026
Price: Unit price: $87.1
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Part No:FWA-45A21F
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Inv Date:06-12-2026
Price: Unit price: $183.25
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Part No:FWA-45A21F
Stock:0
Inv Date:06-11-2026
Price: Unit price: $177.28
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Part No:FWA-45A21F
Stock:5
Inv Date:06-11-2026
Price: Unit price: $235.8
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Part No:FWA-45A21F
Stock:0
Inv Date:06-11-2026
Price: Unit price: $79.66
Buy/RFQ:
Part No:FWA-45A21F
Stock:5
Inv Date:06-11-2026
Price: Unit price: $235.8
Buy/RFQ:
Part No:FWA-45A21F
Stock:0
Inv Date:06-11-2026
Price: Unit price: $79.66
Buy/RFQ:

Eaton Bussmann FWA45A21F Electrical Fast-Acting Fuse Specifications:

  • Voltage Rating: 150 VAC/DC
  • Current Rating: 45 Amps
  • Package Diameter: 20.60 mm
  • Package Length: 50.80 mm
  • Type: Fast-acting fuse
  • Mounting: Suitable for holder mounting
  • Construction: Cylindrical package
  • Application: Overcurrent protection for industrial and electronic circuits
  • Material: Standard fuse elements designed for reliable operation
  • Compatible with power distribution and automation systems
  • Temperature Range: Designed to operate within standard electrical environments
  • Certifications: UL Recognized (specified in technical datasheet)

Buy the Bussmann FWA45A21F – Reliable Fuse for Industrial Applications

Secure your electrical circuits with the reliable Bussmann FWA45A21F fuse. Designed for quick response at 150V and 45A, it offers robust overcurrent protection for industrial and electronic environments. The cylindrical package measures 20.60 mm in diameter and 50.80 mm in length, making installation straightforward in fuse holders. Perfect for power distribution, control panels, and automation systems, this fuse ensures safety, minimizes downtime, and provides dependable circuit protection. Purchase online now for fast, seamless delivery and enhanced electrical safety.

Order your Bussmann Series FWA45A21F fuse today and ensure your power systems are protected with our dependable overcurrent solution.

Frequently Asked Questions

Where can I buy Eaton Bussmann FWA45A21F?

You can click on the BUY or RFQ button to purchase FWA45A21F from an authorized Eaton Bussmann distributor.

How do I troubleshoot issues or seek technical support for part FWA45A21F?

You can download the FWA45A21F datasheet or visit the Eaton Bussmann website for support.

Who is the manufacturer of FWA45A21F?

Eaton Bussmann

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