Siemens AG 3RT1056-2NB36 is a three-phase, 3-pole power contactor used to switch three-phase loads in motor control circuits. Identified by the model 3RT1056-2NB36, it belongs to Siemens’ 3RT family of contactors and is designed for use in control panels and industrial equipment that start and stop three-phase motors. Common applications include motor control for conveyors, pumps, fans, and HVAC systems where three-phase switching is required.
