GFCI and SPGFCI for Commercial and Industrial Applications
Read expert answers to questions about UL compliance, GFCI classes, and the differences between Littelfuse SB6100 GFCI and SB6100 EGFPD.

Littelfuse industrial GFCI protection with Shock Block® ground fault circuit interrupters are engineered to protect personnel from electrical shock in demanding industrial environments. Our Shock Block GFCI solutions, including the UL-listed SB5000 series provide reliable ground fault protection through a safety-by-design approach. We also offer portable GFCI units like the LB100 and SB100B for rental applications. Littelfuse GFCIs are a critical safeguard for reducing the risk of serious injury or fatality in high-risk work areas.