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Bussmann FRN-R-45ID - RK5 Time-Delay Fuse 45A 250V

Bussmann
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Bussmann FRN-R-45ID is a low-voltage, time-delay fuse designed for branch circuit and feeder protection in industrial electrical systems. It is rated for 45A at 250V AC and features a 200kA interrupting capacity to safely clear high-level faults. The fuse has a compact, single-barrel construction with dimensions of 2" x 0.56" x 0.56" and a 0.81" diameter, built to the RK5 class for dual-element protection with time delay and high interrupting rating. It complies with key industry standards including UL 248-12 and CSA Class 1422-01, and is typically applied in motor circuits, transformers, and power distribution equipment where reliable overload and short-circuit protection is required.

Key Features & Specifications
  • Type: Fusetron dual-element, time-delay, low-voltage fuse, RK5 class
  • Voltage Rating: 250V AC
  • Current Rating: 45A
  • Dimensions: 2 in (L) x 0.56 in (H) x 0.56 in (W)
  • Standards: CE, CSA Certification Class 1422-01, UL 248-12 Guide JDDZ
  • Applications: Motor protection, transformer protection, industrial feeder circuits
  • AIC rating: 200kA @ 250V
  • Class Rating: RK5
  • Barrels: 1
  • Diameter: 0.81 in
  • Weight: 0.5 lb


Product Identification
  • UPC: 051712204453
  • GTIN: 00051712204453