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Trusted Brand Bussmann Bussmann Frs-r-50 Time Delay Fuse, 50 A, 600 Vac, 250 Vdc, 20, 200 Ka Interrupt, Fiberglass Body Fast Dispatch [Qka8fbMA]

$55.99 $179.99 -69%

Bussmann FRS-R-50 Time Delay Fuse The Bussmann FRS-R-50 Time Delay Fuse is a cutting-edge solution designed for superior protection in a variety of applications. This fuse stands out with its exceptional energy efficiency, offering 23% more efficienc

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Trusted Brand Bussmann Bussmann Frs-r-50 Time Delay Fuse, 50 A, 600 Vac, 250 Vdc, 20, 200 Ka Interrupt, Fiberglass Body Fast Dispatch [Qka8fbMA]

Bussmann FRS-R-50 Time Delay Fuse

The Bussmann FRS-R-50 Time Delay Fuse is a cutting-edge solution designed for superior protection in a variety of applications. This fuse stands out with its exceptional energy efficiency, offering 23% more efficiency than traditional models. Its dual-element design ensures precise sizing to the load, providing excellent protection for motors and transformers.
  • Energy Efficiency: Up to 23% more energy-efficient than standard fuses.
  • Time Delay Performance: Ideal for applications requiring controlled current surge during motor startup.

Technical Specifications

The FRS-R-50 fuse boasts a robust set of technical specifications that make it a versatile choice. It is a Class RK5 fuse with a 200 kA interrupting rating, making it suitable for a wide range of applications. The time delay feature allows the initial startup current surge to pass, but it opens before motor burnout during longer overloads. In case of a short circuit, the dual-element design opens in just 0.004 seconds.
  • Class RK5: Designed for heavy-duty protection in various applications.
  • 200 kA Interrupting Rating: Ensures reliable operation under high fault currents.

Practical Applications and Benefits

The Bussmann FRS-R-50 Time Delay Fuse is an ideal choice for protecting motors from burnout caused by overloads or single phasing. Its time delay feature is particularly beneficial in applications where motors experience high startup currents. The dual-element design and 200 kA interrupting rating make it suitable for use in a broad range of industrial and commercial settings.
  • Motor Protection: Helps prevent motor burnout due to overloads or single phasing.
  • Wide Range of Applications: Suitable for industrial and commercial settings requiring reliable motor protection.

What Our Customers Say

January 22, 2026

Absolutely no complaints!

This is a really great and a very, very useful item.

- Sioned W..

January 22, 2026

Absolutely no complaints!

An excellent item. It is extremely and so well made.

- Dylan M..

January 22, 2026

Absolutely no complaints!

It’s a very clever and a highly practical solution.

- Norman O..

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