Siemens Reversing starter, screw, 24VDC, 0.12kW, 0.1-0.5AProduct Overview Reversing starter, 3RM1, 500 V, 0 0. 12 kW, 0. 1 0. 5 A, 24 V DC, screw terminals This SIRIUS 3RM1 reversing starter (Article Number: 3RM1201 1AA04) is a compact, intelligent motor starter that combines multiple functions in a single 22. 5 mm wide enclosure. The device features hybrid switching technology with electronic overload protection, providing efficient and reliable bidirectional control for three phase motors up to 0. 12 kW.