Siemens 3RT2017-2BB42 Power Contactor (SIRIUS)

The Siemens 3RT2017-2BB42 is a SIRIUS series electromechanical power contactor designed for industrial control panels and motor switching applications. It features three power poles for switching AC and motor loads, a compact robust design, and standard terminal connections for reliable operation in automation systems. Commonly used for motor on/off control, load switching and other industrial power switching tasks.