Siemens Contactors Electrical contactor 613559 - Siemens 3RT20151BB421AA0, The Siemens 3RT2015-1BB42-1AA0 is an electrical contactor designed for a 690 V AC application. It features three-phase current protection and is suitable for use in motor control applications such as star-delta starting. Typical uses include coupling, heating, and load shedding protection in various electrical installations. Siemens 3RT2015-1BB42-1AA0 Contactor 3-pole 7A 690V 3kW screw terminal
