Description
The SIRIUS 3RW40 Soft Starter — Part Number 3RW4024-1BB04 is engineered to provide controlled soft starting and stopping of three-phase motors, minimizing mechanical stress and electrical peak currents. With a rated operational current of 12.5 A and supporting motors up to 5.5 kW at 400 V, it is ideal for smaller pumps, fans, compressors, and light-duty industrial machinery.
Designed for flexibility, the unit operates within a 200–480 V AC main supply range and utilizes a 24 V AC/DC control voltage, making it suitable for low-voltage control systems and automation panels. The screw terminal connections ensure secure and reliable wiring during installation.
Housed in a compact Size S0 frame, this soft starter is optimized for panel-mounted installations where space efficiency and reliable performance are essential. The SIRIUS 3RW40 series helps extend motor lifespan, reduce maintenance, and improve operational efficiency.
Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Product Series | SIRIUS 3RW40 |
| Part Number | 3RW4024-1BB04 |
| Product Type | Soft Starter |
| Frame Size | S0 |
| Rated Current | 12.5 A |
| Motor Power | 5.5 kW at 400 V |
| Main Supply Voltage | 200–480 V AC |
| Control Voltage | 24 V AC/DC |
| Terminal Type | Screw |
| Installation | Panel Mount |
| Packaging Dimensions (L × W × H) | 182 × 153 × 58 mm |
| Net Weight | 0.695 kg |
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