Siemens 3RA2933-2AA2 — SIRIUS electrical and mechanical wiring kit for a reversing starter (direction-of-rotation changeover) contactor assembly in size S2. Its sibling 3RA2933-2AA1 is the screw terminal version; confirm the terminal type required before ordering. For a star-delta assembly of the same size see 3RA2933-2BB1 and 3RA2933-2BB2.