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OptiFuse FSA63A Glass Tube Fuse

The FSA-63A is a fast-acting glass body fuse measuring ¼ x 1¼ inches, designed for circuit protection in various electrical systems. It features a 63A current rating, UL and CSA certifications, and an operating temperature range from -55°C to +125°C. Made with a glass body and nickel-plated brass contacts, it includes tin-plated copper lead wires for reliable connections. Ideal for industrial, residential, and commercial applications, this fuse responds quickly to overcurrent conditions, preventing damage and ensuring safety in sensitive electronic circuits.

Authorized Distributors
Source:DigiKey
Part No:FSA-6.3A
Stock:467
Inv Date:06-05-2026
Price: Unit price: $0.97
Buy/RFQ:
Part No:FSA-6.3A
Stock:80
Inv Date:06-05-2026
Price: Unit price: $0.19
Buy/RFQ:
Part No:FSA-6.3A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.5846
Buy/RFQ:
Part No:FSA-6.3A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.5846
Buy/RFQ:

OptiFuse FSA63A Glass Tube Fuse Specifications:

  • Physical Size: ¼ x 1¼ inches (6.35 x 31.8 mm)
  • Current Rating: 63A
  • Voltage Rating: 250V AC
  • Activation Type: Fast-Acting
  • Material: Glass body, nickel-plated brass contacts
  • Lead Wire Diameter: 0.8mm, tin-plated copper
  • Operating Temperature: -55°C to +125°C
  • Certifications: UL Listed, CSA Certified
  • Packaging: Bulk in quantities of 250 or 500 pieces
  • Interrupt Ratings: 35A at 250V AC, 100A at 250V AC, 200A at 250V AC, 300A at 32V AC
  • Application: Circuit protection, electronic devices, industrial equipment

Buy the Optifuse FSA63A – Reliable Circuit Protection for Industrial Applications

Secure your electrical systems with the Optifuse FSA63A glass fuse. Designed for fast-acting circuit protection, this 63A fuse features a compact ¼ x 1¼ inch size, UL and CSA certifications, and a temperature range of -55°C to +125°C. Its glass body and nickel-plated brass contacts ensure durability and safety in industrial, residential, and commercial applications. Protect sensitive electronics efficiently with a fuse that responds instantly to overcurrent conditions, preventing damage and ensuring operational safety in various electrical setups.

Get Optifuse FSA63A today—built for precision, quick response, and long-lasting durability in electrical protection.

Frequently Asked Questions

Where can I buy OptiFuse FSA63A?

You can click on the BUY or RFQ button to purchase FSA63A from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part FSA63A?

You can download the FSA63A datasheet or visit the OptiFuse website for support.

Who is the manufacturer of FSA63A?

OptiFuse

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