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Littelfuse L50QS300 - High-Speed Fuse 300A 500V

Littelfuse
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Littelfuse L50QS300 Fuse - High-Speed Semiconductor Fuse 300A 500V The Littelfuse L50QS300 is a high-speed semiconductor fuse from the L50QS Series, designed for overcurrent protection of power semiconductors and circuits. This round body fuse is rated for 500V AC/DC with a current rating of 300A and an interrupting capacity of 200kA at 500V. It features a single barrel construction with a diameter of 1.22 inches and overall dimensions of 4-11/32 inches in length, weighing 1 lb. The fuse complies with industry standards for high-speed semiconductor protection, ensuring reliable performance in demanding applications. Typical industrial applications include protection of rectifiers, inverters, UPS systems, and variable speed drives.

Key Features & Specifications
  • Type: L50QS Series High-Speed Semiconductor Fuse, Round Body
  • Voltage Rating: 500V AC/DC
  • Current Rating: 300A
  • Dimensions: 1.22 in diameter x 4-11/32 in length
  • Standards: High-speed semiconductor fuse protection
  • Applications: Rectifiers, inverters, UPS systems, variable speed drives
  • Barrels: 1
  • AIC rating: 200kA@500V
  • Weight: 1 lb


Product Identification
  • UPC: 079458860061