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Littelfuse LEN01B004120A - Semiconductor Fuse 120A (690V AC)

United Fuses
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The LEN01B004120A is a 120A semiconductor protection fuse designed to safeguard sensitive electronic components from short-circuit conditions in industrial power conversion systems. It features a voltage rating of 690V AC and a high interrupting capacity of 120kA, ensuring reliable circuit interruption under fault conditions. The fuse is constructed with a robust ceramic body and is offered in a compact 000 size for space-efficient panel design, weighing 5.19 lb. This component complies with international standards including IEC 60269-4 and UL 248-13, guaranteeing performance and safety. It is typically applied in the protection of variable frequency drives (VFDs), rectifiers, and UPS systems in demanding industrial environments.

Key Features & Specifications
  • Type: Semiconductor Protection Fuse (gR/gS characteristic)
  • Voltage Rating: 690V AC
  • Current Rating: 120A
  • Interrupting Rating: 120kA
  • Size: 000
  • Body Material: Ceramic
  • Standards: IEC 60269-4, UL 248-13
  • Weight: 5.19 lb