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OptiFuse FSAP4A Circuit Protection Fuse

This fast-acting glass tube fuse measures ¼ x 1¼ inch (3AG) with a glass body and axial leads, ideal for protecting electrical circuits from overcurrent. Rated for 4A current, it features nickel-plated brass contacts and tin-plated copper leads for reliable conductivity. Suitable for various industrial and electronic applications, it complies with UL, UR, and CSA standards, ensuring safety and performance. Designed for quick response during overloads, it offers reliable circuit protection within temperature ranges from -55°C to +125°C.

Authorized Distributors
Part No:FSA-P-4A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.67
Buy/RFQ:
Part No:FSA-P-4A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.5231
Buy/RFQ:
Part No:FSA-P-4A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $0.5231
Buy/RFQ:

OptiFuse FSAP4A Circuit Protection Fuse Specifications:

  • Size: ¼ x 1¼ inch (3AG)
  • Body Material: Glass
  • Lead Material: Tin-plated copper, diameter 0.8 mm
  • Contacts: Nickel-plated brass
  • Rated Current: 4A
  • Voltage Rating: 250V AC
  • Interrupt Ratings: 35A at 250V AC, 100A at 250V AC, 200A at 250V AC, 300A at 32V AC
  • Temperature Range: -55°C to +125°C
  • Standards: UL Listed, UR Recognized, CSA Certified
  • Packaging: Bulk in boxes (250 or 500 pieces)
  • Protection Type: Fast-acting, quick response to overloads

Buy the Optifuse 4A FSA-4A – Reliable Circuit Protection for Industrial Applications

Protect your electronic or industrial circuits efficiently with this reliable ¼ x 1¼ inch fast-acting glass fuse rated at 4A. Featuring axial leads and a durable glass body, it provides quick response during overloads, preventing damage. Compliant with UL, UR, and CSA standards, this fuse is suitable for a wide range of applications from control panels to appliances. Its high interrupt ratings ensure safety during fault conditions, making it essential for maintaining circuit integrity in demanding environments. Purchase online for fast delivery and trusted performance.

Order your Optifuse Series FSA-4A fast-acting glass tube fuse today and ensure your electrical circuits are protected with dependable, high-quality components designed for industrial use.

Frequently Asked Questions

Where can I buy OptiFuse FSAP4A?

You can click on the BUY or RFQ button to purchase FSAP4A from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part FSAP4A?

You can download the FSAP4A datasheet or visit the OptiFuse website for support.

Who is the manufacturer of FSAP4A?

OptiFuse

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