This manual introduces the features and usage methods of Siemens SIRIUS 3RW44 soft starter.
This manual describes the SIRIUS 3RW44 soft starter, covering safety guidelines, physical and environmental requirements, and the scope of use for three‑phase asynchronous motors. It includes design explanations, installation procedures, wiring diagrams, and interface options.
The document also details parameter settings, commissioning steps, device functions, diagnostic information, and general technical specifications such as dimensions, temperature limits, and allowable installation altitude. This manual is written in Chinese.
| Dimensions (mm) for model 3RW44‑2 | 180 × 170 × 37 mm |
|---|---|
| Storage temperature range | -25 °C to +80 °C |
The device can be stored and used at temperatures from –25 °C up to +80 °C.
The soft starter provides a local device interface and an optional Profibus interface.