Solar Fuses


  • SPNH

  • The SPNH series has been designed to meet the emerging circuit protection needs for 1500 volt photov...More

  • Amps (A): 50, 63, 80, 100, 125, 160, 200, 250, 315, 350 more

  • Interrupting Rating: 30 kA, 50 kA

  • Opening: Fast-Acting (F)

  • SPFJ

  • Unique Offering The SPFJ DC full range fuses are the first fuse in the electrical industry to be UL...More

  • Amps (A): 70, 80, 90, 100, 125, 160, 200, 250, 300, 350 more

  • Interrupting Rating: 10 kA, 20 kA

  • Opening: Fast-Acting (F)

  • SPFR

  • Obsolete 02/17. The SPFR series was designed to meet the growing needs of the solar industry with hi...More

  • Opening: Fast-Acting (F)

  • Information Not Available

  • Information Not Available

  • SPXI

  • 1500 Vdc - In-Line Solar Fuses

  • Amps (A): 1, 2, 2.25, 2.5, 3, 3.5, 4, 4.5, 5, 6, 8, 10, 12, 15, 16, 20, 25, 30, 32, 35 more

  • Interrupting Rating: 30 kA, 50 kA

  • Opening: Fast-Acting (F)

  • SPXC

  • The Littelfuse SPXC solar string fuse is designed specifically for 1-4 A 1500 Vdc applications....More

  • Amps (A): 1, 2, 2.25, 2.5, 3, 3.5, 4

  • Interrupting Rating: 50 kA

  • Opening: Fast-Acting (F)

  • SPXC S

  • The Littelfuse SPXC-S silver plated solar string fuse is designed specifically for 1-4 A 1500 Vdc ap...More

  • Amps (A): 1, 2, 2.25, 2.5, 3, 3.5, 4

  • Interrupting Rating: 50 kA

  • Opening: Fast-Acting (F)

As a global leader in circuit-protection, Littelfuse provides a wide selection of fuses, fuse holders, relays & controls, TVS diodes and varistors to improve system uptime, sustainability and reliability of photovoltaic power systems. Littelfuse circuit-protection products meet the unique requirements of photovoltaic applications – where issues such as heat, efficiency, longevity and global standards impact the choices in selecting protection options. In addition to a wide portfolio of circuit-protection products, Littelfuse offers decades of design experience to help address application challenges and achieve regulatory compliance.