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OptiFuse FPK4A Fast Acting Fuse

A compact fast-acting fuse designed for precise overcurrent protection in electrical systems, rated for 600VAC and 500VDC. This UL Class M fuse supports current ratings up to 4 amps, ensuring reliable circuit protection. Its small size, measuring approximately 13/32 inches x 1-1/2 inches, makes it ideal for space-constrained installations. The fuse features fast response characteristics, providing quick interruption during overload conditions to prevent damage. Suitable for general-purpose applications, it complies with UL and CSA standards, ensuring safety and performance in diverse electrical environments.

Authorized Distributors
Source:DigiKey
Part No:FPK-4A
Stock:823
Inv Date:06-05-2026
Price: Unit price: $26.19
Buy/RFQ:
Part No:FPK-4A
Stock:11
Inv Date:06-05-2026
Price: Unit price: $4.43
Buy/RFQ:
Part No:FPK-4A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $14.17
Buy/RFQ:
Part No:FPK-4A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $14.17
Buy/RFQ:

OptiFuse FPK4A Fast Acting Fuse Specifications:

  • Voltage Rating: 600VAC, 500VDC
  • Current Rating: 4A
  • Type: Fast Acting, UL Class M
  • Size: 13/32 inches x 1-1/2 inches
  • Interrupt Rating: 100,000A @ 600VAC, 100,000A @ 600VDC
  • Standards: UL Listed to Standard 248-14, CSA Certified
  • Response: Fast acting
  • Agency Standards and Listings: RoHS Compliant
  • Maximum Operating Voltage: 600VAC / 500VDC
  • Appropriate for general purpose electrical protection
  • Construction: Compact and robust for easy integration
  • Dimensions: Approximately 13/32 inches in diameter and 1-1/2 inches in length

Buy the OptiFuse Series FPK Fuse: FPK4A

Secure your electrical systems with the OptiFuse Series FPK fuse. Designed for 600VAC and 500VDC applications, this 4A fuse offers fast response to overcurrent, protecting circuits efficiently. Its compact size fits easily into space-constrained panels, ensuring reliable operation. UL and CSA certified, the fuse guarantees safety and performance. Whether for industrial, commercial, or residential use, buy online today to enhance your circuit protection with a trusted, high-quality fuse that ensures durability and safety in all electrical environments.

Buy OptiFuse FPK4A fuse now and experience unmatched reliability and quick overload protection for your electrical systems.

Frequently Asked Questions

Where can I buy OptiFuse FPK4A?

You can click on the BUY or RFQ button to purchase FPK4A from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part FPK4A?

You can download the FPK4A datasheet or visit the OptiFuse website for support.

Who is the manufacturer of FPK4A?

OptiFuse

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