Turck's extremelife-40 Foundation fieldbus
Extremelife-40 Foundation fieldbus and Profibus PA cables are UL listed for Exposed Run (ER) and Direct Burial (DB), and provide crush and impact resistance. They’re also UV resistant, oil resistant to UL Oil Res 1, and FT4 flame retardant. UL 13 PLTC ER DB and UL 2250 ITC ER DB listings put them in compliance with NEC 725 and NEC 727 for use in Class I, Div. 2 locations.