Bussmann FRN-R-225 - Fusetron RK5 Time-Delay Fuse 225A

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Bussmann FRN-R-225 is a low-voltage current-limiting fuse designed for branch circuit and feeder protection in industrial electrical systems. It provides a 225A current rating with a 250V AC/DC voltage rating and a high interrupting capacity of 20kA at 250V DC. The fuse features a compact, durable construction with dimensions of 2 in x 0.56 in x 0.56 in and a 2.38-inch diameter, built to RK5 class standards for time-delay and current-limiting performance. It complies with key industry standards including UL 248-12 and CSA Certification Class 1422-01, ensuring reliable protection for motor circuits, transformers, and other inductive loads where high fault currents and inrush conditions are present.

Key Features & Specifications
  • Type: Fusetron FRN-R, RK5 class, time-delay, current-limiting, low-voltage fuse
  • Voltage Rating: 250V AC/DC
  • Current Rating: 225A
  • Dimensions: 2 in L x 0.56 in H x 0.56 in W (50.8 mm x 14.2 mm x 14.2 mm)
  • Diameter: 2.38 in (60.5 mm)
  • Weight: 0.5 lb (0.23 kg)
  • Standards: CE, CSA Certification Class 1422-01, UL 248-12 Guide JDDZ
  • AIC Rating: 20kA @ 250V DC
  • Class Rating: RK5
  • Barrels: 1
  • Applications: Protection for motor branch circuits, feeders, transformers, and inductive loads


Product Identification
  • UPC: 051712507493
  • GTIN: 00051712507493