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Series: LDFJ

Littelfuse LDFJ Fuses Provide High-Speed Protection
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The LDFJ Series fuses provide space-saving, high-speed performance and short-circuit protection for AC and DC drives. These fuses offer current-limiting features with low I2T for protection of power semiconductor devices and motor controllers. They have the lowest let-through energy of any branch circuit overcurrent protective device. These fuses are easily coordinated with existing and new variable speed drives and electric controllers.

  • Fast-acting
  • Current-limiting
  • 200,000 AIR
  • Standard Class J dimensions
  • Low let-through energy
  • Provides protection for equipment requiring fast overload protection
  • Reduces damage caused by heating and magnetic effects of short-circuit currents
  • Reliable interruption of all overcurrents up to 200,000 A
  • Allows for use with readily available fuse blocks, holders, and switches
  • Superior system protection

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