The "Festo RRFTOKC2018" string often refers to an authorization identifier used by the Korean Communications Commission (KCC) for various Festo products, such as proportional pressure regulators like the Festo VPPM series or the Festo VPPE series .
: Includes reverse polarity protection and short-circuit current rating for all electrical connections. Core Specifications Feature Supply Voltage 24 V DC $\pm$10% Signal Range 0-10 V, 1-5 V, or 4-20 mA (analogue) Max Power Consumption Connection Port G1/8 or G1/4 depending on variant Protection Class Commissioning & Setup festo rrftokc2018 manual pdf