Cooper Bussmann FRN-R-450 Low Voltage Fusetron 250V 450A Fuse - Essential Electric Supply
FRN-R-450 Bussmannn Fusetron Low Voltage Fuse 250V 450A Fuse - Essential Electric Supply
FRN-R-450 Bussmannn Fusetron Low Voltage Fuse 250V 450A Fuse - Essential Electric Supply
Cooper Bussmann FRN-R-450 Low Voltage Fusetron 250V 450A Fuse - Essential Electric Supply
FRN-R-450 Bussmannn Fusetron Low Voltage Fuse 250V 450A Fuse - Essential Electric Supply
FRN-R-450 Bussmannn Fusetron Low Voltage Fuse 250V 450A Fuse - Essential Electric Supply

Eaton Bussmann FRN-R-450 - RK5 Fuse 450A (250V, 20kA AIC)

Bussmann
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Eaton Bussmann FRN-R-450 is a Fusetron time-delay, current-limiting fuse designed for branch circuit and feeder protection in industrial power distribution systems. It provides a 450A current rating and a 250V AC/DC voltage rating, featuring a 20kA interrupting rating at 250V DC for reliable fault interruption. The fuse is constructed as a single-barrel, RK5 class device with a diameter of 2.88 inches and a length of 10.38 inches, weighing 3.1 lb for robust physical installation. It is engineered to meet industry standards for time-delay and current-limiting performance, making it suitable for protecting motors, transformers, and feeders where high inrush currents are present.

Key Features & Specifications
  • Type: Fusetron time-delay, current-limiting, low-voltage fuse, single barrel
  • Voltage Rating: 250V AC/DC
  • Current Rating: 450A
  • Dimensions: 10.38 in L x 2.88 in H x 2.88 in W
  • Standards: RK5 class rating
  • Applications: Branch circuit and feeder protection for motors, transformers, and industrial power distribution
  • AIC rating: 20kA @ 250V DC
  • Diameter: 2.88 in
  • Class Rating: RK5
  • Barrels: 1
  • Weight: 3.1 lb


Product Identification
  • UPC: 051712507547
  • GTIN: 00051712507547