The Siemens 3RK1322-0CS02-1AA0 is an AS-i compact reversing starter — an electromechanical motor starter with integrated reversing contactors, bimetal overload relay, and short-circuit protection via circuit-breakers, all in an IP65 enclosure ready for distributed installation near the motor. It communicates over the AS-Interface protocol (not PROFIBUS DP), so it plugs directly into an AS-i network without a separate gateway module for the motor branch.
The setting range is 0.18…0.25 A, which means this starter is sized for very small motors — think fractional-horsepower conveyors, valve actuators, or small fans. The AC-3 rating of 0.06 kW at 400 V confirms it handles the inductive load of a three-phase motor, not just resistive heaters. This starter is designed for machine-mount or field-mount locations where washdown or dust is present — not for a clean, climate-controlled panel.
The 9-pole motor outgoing feeder and 9-pole power connection mean it uses a standard M12-style connector for the motor cable and a separate connector for the AS-i bus and auxiliary power. Tab terminals on the main circuit handle the motor leads.
Because it is an active, non-obsolete part, it is sourced through normal Siemens distribution channels.