Cooper Bussmann FRN-R-4-1/2 Low Voltage Fusetron 250V 4A Fuse - Essential Electric Supply
Cooper Bussmann FRN-R-4-1/2 Low Voltage Fusetron 250V 4A Fuse - Essential Electric Supply

Eaton Bussmann FRN-R-4-1/2 - RK5 Time-Delay Fuse 4A 250V

Bussmann
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Eaton Bussmann FRN-R-4-1/2 is a low-voltage, time-delay fuse designed for branch circuit and feeder protection in industrial electrical systems. It provides a 4A current rating with a 250V AC voltage rating and a high 200kA interrupting capacity at that voltage. The fuse features a compact, single-barrel construction with dimensions of 2 inches in length and a 0.56-inch diameter, weighing 0.055 lb, and is built to the RK5 class for superior short-circuit protection with time-delay characteristics. It complies with key industry standards including UL 248-12 and CSA Certification Class 1422-01, and is commonly applied in motor circuits, transformers, and control panels where reliable overload and fault protection is required.

Key Features & Specifications
  • Type: Fusetron FRN-R, RK5 Class, time-delay, low-voltage fuse
  • Voltage Rating: 250V AC
  • Current Rating: 4A
  • Dimensions: 2 in L x 0.56 in H x 0.56 in W (Diameter: 0.56 in)
  • Weight: 0.055 lb
  • Standards: CE, CSA Certification Class 1422-01, UL 248-12 Guide JDDZ
  • AIC rating: 200kA @ 250V
  • Class Rating: RK5
  • Barrels: 1
  • Applications: Motor protection, transformer protection, industrial control panels


Product Identification
  • UPC: 051712507219
  • GTIN: 00051712507219