R2 FieldConnex Segment Protectors are UL-listed for Div 2 applications and FM/cFM-approved for Div 2/Zone 2 applications. They are smart fieldbus wiring blocks that provide short-circuit protection and energy limitation and prevent a single short from affecting the entire network. They provide IP20 protection with DIN-rail mounting in 4-, 6-, 8-, 10- and 12-spur configurations.