Littelfuse: SB4000 Expands Shock Block Ground-Fault Circuit Interrupter (GFCI) Series
Littelfuse, Inc. expands its Industrial Shock Block Series to help protect workers from electrical shock for loads up to 30A. The SB4000 is available for use in single-, split- and three-phase systems as well as 4-wire systems from 208 to 240V. SB4000 models equipped with connections for a neutral wire have built-in grounded-neutral protection per the UL 943 standard. The standard enclosure is IP 69K/NEMA 4X and outdoor rated making it suitable for all industrial environments including high temperature washdown used in food production applications.
