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Littelfuse L50S400 - High-Speed Semiconductor Fuse 400A (500V, 200kA AIC)

Littelfuse
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Littelfuse L50S400 is a high-speed semiconductor fuse designed for protecting sensitive power semiconductors like IGBTs and thyristors in industrial power conversion equipment. It provides reliable protection with a 500V AC/DC voltage rating and a 400A current rating, housed in a robust single-barrel ceramic body with a 0.81-inch diameter and a weight of 2 lb. The fuse complies with relevant industry standards and offers an extremely high interrupting capacity of 200kA at 500V, making it suitable for demanding applications in motor drives, UPS systems, and renewable energy inverters.

Key Features & Specifications
  • Type: High-Speed Semiconductor Fuse, L50S Series, single-barrel ceramic construction
  • Voltage Rating: 500V AC/DC
  • Current Rating: 400A
  • Dimensions: 0.81 in diameter
  • Standards: Designed to meet applicable industry standards for semiconductor protection
  • Applications: Protection for IGBTs, thyristors, and diodes in motor drives, UPS, welders, and renewable energy inverters
  • AIC rating: 200kA @ 500V
  • Weight: 2 lb


Product Identification
  • UPC: 079458854008
  • GTIN: 00079458854008