CJ20 series AC contactors are mainly used to connect and disconnect circuits in electricaservice systems with AC 50Hz, voltage to 660V(individual grade 1140V) and current to 630Aand to form electromagnetic starters with appropriate thermal relays or electronic protectiondevices to protect electrical appliances that may be overloaded.* "03" represents 380V, generally do not write, "06" represents 660V, if the product structure isexactly the same as 380V, also do not write; ll stands for 1140V.
