Littelfuse® In-line String Protection

The Littelfuse SPXI 1500 Vdc solar fuse is designed to integrate into an in-line assembly within a wire harness. The fuse provides string protection that meets UL2579 for photovoltaic applications. The SPXI can be electrically insulated by either over-molding or using approved heat-shrink.

Also available in 1000Vdc (SPFI) the products protect solar strings from 2 - 30 amps.

Littelfuse offers numerous DC circuit-protection products that are suited to protect the equipment and systems subject to the harsh environments of photovoltaic installations.