Description
The SIRIUS 3RW40 Soft Starter — Part Number 3RW4027-1BB14 is designed to deliver controlled starting and stopping of three-phase motors while minimizing electrical inrush current and mechanical stress. With a rated operational current of 32 A and support for motors up to 15 kW at 400 V, this soft starter is ideal for pumps, fans, conveyors, and small-to-medium industrial machines.
The unit operates across a wide 200–480 V AC main supply range and uses a 110–230 V AC/DC control voltage, ensuring compatibility with diverse control systems. It features screw terminals, providing secure and conventional wiring suitable for many panel installations.
Built in a compact Size S0 frame, this model is optimized for space-saving panel mounting without compromising performance. The SIRIUS 3RW40 series is engineered to extend motor lifespan, reduce maintenance requirements, and improve operational reliability.
Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Product Series | SIRIUS 3RW40 |
| Part Number | 3RW4027-1BB14 |
| Product Type | Soft Starter |
| Frame Size | S0 |
| Rated Current | 32 A |
| Motor Power | 15 kW at 400 V |
| Main Supply Voltage | 200–480 V AC |
| Control Voltage | 110–230 V AC/DC |
| Terminal Type | Screw |
| Installation | Panel Mount |
| Packaging Dimensions (L × W × H) | 183 × 153 × 58 mm |
| Net Weight | 0.706 kg |
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