Siemens 3RK1304-5KS40-4AA0 Direct Motor Starter

Siemens 3RK1304-5KS40-4AA0 Direct Motor Starter is an ET 200pro DSE ST direct-on-line starter that provides compact, integrated motor control for three-phase motors within Siemens' ET 200pro automation platform. It combines mechanical switching with electronic overload protection to guard motors against overcurrent during start and run, and it is designed for direct motor starting in standard industrial duty cycles. The 3RK1304-5KS40-4AA0 model is intended for use in motor circuits controlled by ET 200pro modules, offering streamlined wiring and seamless integration with Siemens control systems. This direct motor starter belongs to the 3RK1 family and is used to enable reliable, quick starts for motors in automation applications such as conveyors, pumps, and fans, while maintaining a compact footprint and straightforward replacement in field service.