FRS-R-225 - 225Amp Fuse

FRS-R-225 - 225Amp Fuse

Elevate your industrial power protection with the Eaton Bussmann FRS‑R‑225, a heavy‑duty 225 amp, time‑delay, dual‑element Class RK5 fuse designed to defend mission‑critical systems from destructive over‑current events. Whether you’re safeguarding motors, transformers, or large‑scale distribution equipment, this fuse offers dependable performance with ratings of 600 V AC and 300 V DC. Featuring advanced current‑limiting technology and a ten‑second response at 500 % of rated current, it intervenes rapidly during faults while allowing harmless inrush surges to pass uninterrupted. Built to fit standard RK5 fuse blocks with its 11.63″ length and 2.33″ diameter, the FRS‑R‑225 combines practicality with serious protection—helping minimize downtime and equipment replacement costs in demanding industrial environments.

Key Features and Benefits

• Time‑delay, dual‑element design: Provides superior protection for startup‑sensitive loads like motors and compressors by tolerating temporary overloads without nuisance interruptions.
• High fault current performance: With current‑limiting capability, it mitigates damage and improves safety when fault conditions occur in the system.
• Blade‑end configuration: Ensures quick, reliable installation into compatible fuse holders and panelboards.
• Large form‑factor compatible with standard RK5 blocks: Allows you to upgrade protection without rewiring or redesigning mounting arrangements.

Technical Specifications

• Amperage Rating: 225 A
• Voltage Rating: 600 V AC / 300 V DC
• Interrupt Rating:
  • 200 kA at 600 V AC
  • 20 kA at 300 V DC
• Response Time: 10 s at 500 % of rated current
• Fuse Class: RK5
• Fuse Type: Dual‑element, non‑indicating, time‑delay
• Connection: Blade end × blade end
• Dimensions:
  • Length: 11.63″
  • Width: 2.33″
• Weight: Approx. 2.35 lbs

Material Compliance and Certifications

• CE-marked: For conformity to European safety standards.
• Standards Compliance: Complies with UL 248‑12 and CSA C22.2 No. 248.12 requirements for fuses in industrial applications.
• Construction: Built using high‑quality construction materials to ensure long life in demanding service.

Where It Works Best

• This Eaton Bussmann fuse is crafted for high‑capacity commercial and industrial installations where dependable circuit protection is non‑negotiable. Use it to secure distribution panels, large motors, HVAC systems, compressors, and other heavy‑duty electrical infrastructure. Whenever you need a fuse that can handle inrush currents, startup surges, and high fault demands—while providing long‑term service in an industrial setting-the FRS‑R‑225 is an excellent choice.