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Eaton Bussmann FRSR4.5 - RK5 Fuse 4.5A 600V (Time-Delay)

Bussmann
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Bussmann FRSR4.5 is a dual-element, time-delay fuse designed for the protection of motors, transformers, and other inductive loads against short circuits and overloads. This fuse is rated for 4.5 amps and can operate at a maximum voltage of 600 volts AC, providing a high interrupting rating of 200,000 amps RMS symmetrical. Constructed with a ferrule-style body, it features a compact, cylindrical design with a weight of 5.19 lb, and its dual-element construction allows it to withstand temporary inrush currents without nuisance opening. The FRSR4.5 complies with UL 248-12 and CSA standards, ensuring reliable performance in branch circuit protection. It is commonly used in industrial control panels, motor control centers, and other heavy-duty electrical equipment requiring precise overcurrent protection.

Key Features & Specifications
  • Type: Dual-element, time-delay fuse with ferrule construction
  • Voltage Rating: 600V AC
  • Current Rating: 4.5A
  • Weight: 5.19 lb
  • Interrupting Rating: 200kA RMS Symmetrical
  • Standards: UL 248-12, CSA
  • Applications: Motor, transformer, and inductive load protection
  • Fuse Class: RK5
  • Mounting: Ferrule
  • Manufacturer: Eaton