Bussmann LESRK50 - Class RK1 Time-Delay Fuse 50A 600V (200kA AIC)

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Bussmann LESRK50 is a Class RK1 low-voltage current-limiting fuse designed to provide reliable circuit protection in industrial electrical systems. It features a 600V AC voltage rating and 50A current rating with time-delay characteristics to handle temporary overloads while maintaining protection against short-circuits. The fuse construction includes a single-barrel design with 1.06-inch diameter and 5.19 lb weight, utilizing current-limiting technology to interrupt high fault currents. It complies with industry standards for RK1 fuses and offers 200kA interrupting rating at 600V AC for enhanced safety. Typical applications include motor branch circuits, feeder circuits, and industrial control panels where high-interrupting capacity and time-delay protection are required.

Key Features & Specifications
  • Type: Class RK1 current-limiting time-delay fuse, single barrel
  • Voltage Rating: 600V AC
  • Current Rating: 50A
  • Dimensions: 1.06-inch diameter
  • Standards: UL/CSA Listed Class RK1
  • Applications: Motor circuits, feeder protection, industrial control panels
  • AIC Rating: 200kA@600V AC
  • Class Rating: RK1
  • Barrels: 1
  • Velocity: Time Delay
  • Weight: 5.19 lb


Product Identification
  • UPC: 78263454840
  • GTIN: 00782634548409
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