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

Bussmann FRN-R-4 - RK5 Time-Delay Fuse 4A 250V

Bussmann
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Bussmann FRN-R-4 is a low-voltage, time-delay fuse designed for protecting motor circuits and transformers from overloads and short circuits. It features a 4A current rating and a 250V AC voltage rating, with a compact physical form factor measuring 2 inches in length and 0.56 inches in diameter. The fuse is constructed as a single-barrel, RK5 class device with a high 200kA interrupting rating at 250V, and it complies with key industry standards including UL 248-12 and CSA Class 1422-01. This makes it suitable for demanding industrial applications where reliable, coordinated protection is required.

Key Features & Specifications
  • Type: Low Voltage Fuse, Time-Delay (Dual-Element), Fusetron FRN-R Series, Single Barrel
  • Voltage Rating: 250V AC
  • Current Rating: 4A
  • Dimensions: 2 in (L) x 0.81 in (H) x 0.81 in (W); Diameter: 0.56 in
  • Standards: CE, CSA Certification Class 1422-01, UL 248-12 Guide JDDZ
  • Class Rating: RK5
  • AIC rating: 200kA @ 250V
  • Weight: 0.05 lb
  • Country of Origin: Mexico


Product Identification
  • UPC: 051712507202
  • GTIN: 00051712507202