Cooper Bussmann FRN-R-400 Low Voltage Fusetron 250V 400A Fuse - Essential Electric Supply
Cooper Bussmann FRN-R-400 Low Voltage Fusetron 250V 400A Fuse - Essential Electric Supply

Eaton Bussmann FRN-R-400 - RK5 Time-Delay Fuse, 400A 250V

Bussmann
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Eaton Bussmann FRN-R-400 is a low-voltage, time-delay fuse designed for branch circuit and feeder protection in industrial electrical systems. It provides reliable overcurrent protection with a 400A current rating and a 250V voltage rating, featuring a 20kA interrupting rating at 250V DC. The fuse is constructed as a single-barrel, RK5 class device with a 2.38-inch diameter and overall dimensions of 8.63 x 2.06 x 2.06 inches, weighing 1.6 lb. It complies with key industry standards including UL 248-12 and CSA Class 1422-01, and is commonly applied in motor control centers, industrial panels, and power distribution equipment.

Key Features & Specifications
  • Type: Fusetron FRN-R, Low Voltage Time-Delay Fuse, Single Barrel
  • Voltage Rating: 250V AC/DC
  • Current Rating: 400A
  • Dimensions: 8.63 in L x 2.06 in H x 2.06 in W (219.2mm x 52.3mm x 52.3mm)
  • Standards: CE, CSA Certification Class 1422-01, UL 248-12 Guide JDDZ
  • Applications: Branch Circuit & Feeder Protection, Motor Control Centers, Industrial Panels
  • Class Rating: RK5
  • AIC rating: 20kA @ 250V DC
  • Diameter: 2.38 in (60.5 mm)
  • Weight: 1.6 lb (0.73 kg)
  • Country of Origin: Mexico


Product Identification
  • UPC: 051712507530
  • GTIN: 00051712507530