Littelfuse KLKD Series 1A 600V AC/DC Fast Acting Midget Fuse




The KLKD fuse series is fast-acting with a high DC voltage rating.



This family of Midget style fuses (10 x 38 mm) is used in solar combiner boxes and in circuits with DC fault currents up to 50,000 amperes. KLKD fuses are available in standard and board-mount configurations.  In addition, the KLKD series has been designed to meet both the UL and IEC photovoltaic fuse standards.  Littelfuse offers a wide range of ampere ratings to match specific requirements in a variety of applications.


  • Designed to UL and IEC photovoltaic specifications
  • 1/10 – 30 A ratings available
  • 50,000 A Interrupting Rating
  • Available in ferrule or PCB mount options
  • 1-5 A meets UL1741 GFDI requirements


  • Combiner boxes and Inverters
  • Power supplies
  • Desktop meters


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