SPXI03.5 - SPXI Series

spxi fuses
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The Littelfuse SPXI solar fuse is designed to integrate into an in-line assembly within a wire harness. The fuse provides photovoltaic (PV) protection that meets UL 2579 for photovoltaic applications. The SPXI can be electrically insulated by either overmolding or using approved heat-shrink.


  • Meets UL photovoltaic specifications
  • 15,000 A interrupting rating
  • No fuseholder required


  • Photovoltaic wire harness
Property (Mouseover for details) Value
Ampere Rating (A) 3.5
VDC (V) 1500
Interrupting Rating 30000
Opening Fast-Acting (F)