Digital Input Module with Isolation NAMUR, 2 Channels, Input Intrinsically Safe, 24Vdc voltage, a PDT output per channel supply 20 ... 30Vdc, 50mA current consumption, Green Led for indication Energized, Led Yellow Cargo Switched and Led Veremelho to fault, mounted on DIN rail, Model PI-Ex-ME-2NAM / COC-24VDC, Phoenix Contact.