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Eaton Bussmann FWA40A21F Electrical Fuse

This is a fast-acting fuse rated for 150 VAC and 150 VDC, supporting currents up to 40 Amps. It features a cylindrical design measuring 20.60 mm in diameter and 50.80 mm in length, suitable for reliable mounting in fuse holders. The fuse provides effective short-circuit protection and is ideal for electronic and electrical applications demanding high current handling with quick response times. Its robust construction ensures durability and safety across various industrial and commercial equipment, ensuring consistent performance in fuse protection systems.

Authorized Distributors
Source:DigiKey
Part No:FWA-40A21F
Stock:0
Inv Date:06-11-2026
Price: Unit price: $170.959
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Part No:FWA-40A21F
Stock:0
Inv Date:06-12-2026
Price: Unit price: $178.66
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Part No:FWA-40A21F
Stock:0
Inv Date:06-11-2026
Price: Unit price: $172.84
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Part No:FWA-40A21F
Stock:0
Inv Date:06-11-2026
Price: Unit price: $229.32
Buy/RFQ:
Part No:FWA-40A21F
Stock:0
Inv Date:06-11-2026
Price: Unit price: $229.32
Buy/RFQ:

Eaton Bussmann FWA40A21F Electrical Fuse Specifications:

  • Voltage Rating: 150 VAC and 150 VDC
  • Current Support: 40 Amps
  • Package Dimensions: 20.60 mm diameter x 50.80 mm length
  • Mounting: Suitable for fuse holders
  • Type: Fast-acting fuse
  • Construction: Cylindrical shape
  • Application: Circuit protection, electrical and electronic systems
  • Material: Metal and ceramic components for durability
  • Response Time: Fast-acting
  • Safety Standards: Designed for reliable short-circuit protection

Buy the Bussmann Series FWA Fuse: 150V 40A Cylindrical Fuse

Purchase the Bussmann FWA40A21F fuse online today for high-performance circuit protection in electronic and electrical systems. Designed for quick response and safety, this fast-acting fuse supports 150V ratings with 40A current capacity, ensuring reliable operation under demanding conditions. Its cylindrical design measures 20.60 mm in diameter and 50.80 mm in length, fitting seamlessly into fuse holders. Perfect for industrial, commercial, and electronic applications, this fuse provides dependable short-circuit protection, thermal stability, and is built with durable materials for long-lasting service life.

Get Bussmann FWA40A21F today—built for precision, durability, and reliable circuit protection.

Frequently Asked Questions

Where can I buy Eaton Bussmann FWA40A21F?

You can click on the BUY or RFQ button to purchase FWA40A21F from an authorized Eaton Bussmann distributor.

How do I troubleshoot issues or seek technical support for part FWA40A21F?

You can download the FWA40A21F datasheet or visit the Eaton Bussmann website for support.

Who is the manufacturer of FWA40A21F?

Eaton Bussmann

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