Miniature contactor, flat plug connection, 4 NO screw fastening (diagonal) AC 24V 50Hz/AC 29V 60Hz AC operation 3TK20 mini contactor for resistive loads. The 3TK20 mini contactors impress with their high performance and compact design, high contact reliability and a wide range of connection technologies. The front connections enable easy wiring. The devices are approved worldwide (e.g. IEC and UL/CSA). They are available in AC and DC operation, in various voltages and with various auxiliary contacts. Versions with screw, flat plug or solder pin connections are available. Accessories such as plug-in bases and release tools are available. Auxiliary switch blocks cannot be retrofitted. Many of your 3TK20 applications could possibly also be implemented using products from the current SIRIUS modular system with all its advantages.