Siemens 3RT2015-1BB42 is a three-pole AC contactor used to switch and control three-phase motors and other AC loads within electrical control panels. The device is identified by part number 3RT2015-1BB42 and belongs to Siemens' 3RT family of industrial contactors, suitable for inclusion in motor control circuits and automation panels. Use this contactor when you need a three-pole solution to open and close three-phase circuits as part of a motor start/stop or load-switching scheme.
