Bussmann FRS-R-300 Low Voltage Fusetron 600V 300A Fuse - Essential Electric Supply
Bussmann FRS-R-300 Low Voltage Fusetron 600V 300A Fuse - Essential Electric Supply

Bussmann FRS-R-300 - RK5 Time-Delay Fuse 300A 600V

Bussmann
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Bussmann FRS-R-300 is a low-voltage, time-delay fuse designed for robust circuit protection in industrial power distribution systems. It provides a 300A current rating and a 600V voltage rating, featuring a high interrupting capacity of 200kA to safely clear severe fault currents. The fuse is constructed as a single-barrel, RK5 class device with a diameter of 2.34 inches and an overall length of 11.63 inches, weighing 0.4 lb for secure mounting. It complies with key industry standards including UL 248-12 and CSA Class 1422-01, ensuring reliable performance in demanding applications such as feeder circuits, motor branch circuits, and transformer protection.

Key Features & Specifications
  • Type: Fusetron time-delay, low-voltage fuse, RK5 class
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Dimensions: 11.63 in L x 2.59 in H x 2.59 in W
  • Standards: CE, CSA Certification Class 1422-01, UL 248-12 Guide JDDZ
  • Applications: Industrial feeder and branch circuit protection, motor circuits
  • AIC rating: 200kA @ 600V
  • Class Rating: RK5
  • Barrels: 1
  • Diameter: 2.34 in
  • Weight: 0.4 lb
  • Country of Origin: Mexico


Product Identification
  • UPC: 051712508513
  • GTIN: 00051712508513