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Littelfuse L50QS225 - High-Speed Fuse 500V 225A

Littelfuse
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Littelfuse L50QS225 is a high-speed semiconductor fuse from the Powr-Speed family, designed for low voltage overcurrent protection of power electronic circuits. It is rated for 500V AC/DC with a continuous current of 225A and an interrupting capacity of 200kA at 500V, ensuring robust fault clearing. The fuse features a round body construction with a 1.5-inch diameter and a single barrel, weighing 1 lb. It complies with industry standards for semiconductor protection, offering ultra-fast response to short circuits. Typical applications include protection of rectifiers, inverters, UPS systems, and variable frequency drives in industrial power conversion equipment.

Key Features & Specifications
  • Type: L50QS Series – High-Speed Semiconductor Fuse, Round Body
  • Voltage Rating: 500V AC/DC
  • Current Rating: 225A
  • Dimensions: Diameter 1.5 inches
  • AIC Rating: 200kA@500V
  • Barrels: 1
  • Weight: 1 lb
  • Standards: Semiconductor fuse protection
  • Applications: Rectifiers, inverters, UPS systems, variable frequency drives


Product Identification
  • UPC: 079458860030