Description
The SIRIUS 3RW40 Soft Starter — Part Number 3RW4046-2BB14 is engineered to provide controlled starting and stopping of large three-phase motors while reducing electrical inrush current and mechanical stress. With a rated operational current of 80 A and support for motors up to 45 kW at 400 V, this unit is ideal for demanding applications such as pumps, compressors, conveyors, crushers, and large fans.
Operating within a wide 200–480 V AC main supply range, the soft starter uses a 110–230 V AC/DC control voltage, ensuring compatibility with various industrial control systems. The spring-type terminals enable fast, secure, and tool-free wiring, improving installation efficiency and reliability.
Built in a robust Size S3 frame, the device is suitable for panel-mounted installations where high power handling and dependable performance are essential. The SIRIUS 3RW40 series helps extend motor lifespan, reduce maintenance, and improve system efficiency.
Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Product Series | SIRIUS 3RW40 |
| Part Number | 3RW4046-2BB14 |
| Product Type | Soft Starter |
| Frame Size | S3 |
| Rated Current | 80 A |
| Motor Power | 45 kW at 400 V |
| Main Supply Voltage | 200–480 V AC |
| Control Voltage | 110–230 V AC/DC |
| Terminal Type | Spring-Type |
| Installation | Panel Mount |
| Packaging Dimensions (L × W × H) | 181 × 90 × 218 mm |
| Net Weight | 1.842 kg |
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