Siemens 3RW4047-1BB14 SIRIUS Soft Starter, 106 A, 55 kW, 200–480 V AC
The Siemens 3RW4047-1BB14 is a SIRIUS soft starter rated at 106 A for three-phase motors up to 55 kW at 400 V. It reduces motor starting stress and provides integrated overload protection for industrial motor control systems.
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- Price:
- US$ 800.00
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Description
Siemens 3RW4047-1BB14
SIRIUS Soft Starter | 106 A | 55 kW at 400 V | 200–480 V AC | 110–230 V AC/DC Control Supply
Product Detailed Description
The Siemens 3RW4047-1BB14 is a SIRIUS 3RW40 soft starter designed to reduce motor starting current and mechanical stress during startup. It supports three-phase motors with a rated operational current of 106 A and motor power up to 55 kW at 400 V. The unit features integrated motor overload protection, screw terminals, and auxiliary contacts for industrial motor control applications.
Technical Specifications
| Parameter | Specification |
| Brand | Siemens |
| Model | 3RW4047-1BB14 |
| Product Series | SIRIUS 3RW40 |
| Product Type | Soft Starter |
| Rated Operational Current | 106 A |
| Motor Power | 55 kW at 400 V |
| Main Circuit Voltage | 200–480 V AC |
| Control Supply Voltage | 110–230 V AC/DC |
| Number of Phases | 3 |
| Frame Size | S3 |
| Motor Overload Protection | Integrated |
| Auxiliary Contacts | 2 NO + 1 changeover contact |
| Main Circuit Terminals | Screw terminals |
| Mounting | Screw or snap-on mounting |
| Dimensions (W × H × D) | 70 × 170 × 190 mm |
| Net Weight | Approx. 1.856 kg |
| Country of Origin | Czech Republic |
| Product Status | Active in Siemens Industry Mall |
| Replacement Model | No confirmed direct successor identified |
This item is listed for catalogue and inquiry purposes. Availability, condition, revision, warranty coverage, and lead time are confirmed with each quotation.
All items are Distributor Ready-stock Genuine Brand-new Supplying, please inform us if the
Important Application Note
The main circuit voltage and control supply voltage are different specifications. Confirm that the control supply is 110–230 V AC/DC and that the motor supply is within 200–480 V AC before installation. Follow Siemens’ wiring and installation instructions and allow the specified clearance around the unit.
Applications
| Industrial Automation & Control | Machinery & Equipment |
| • Three-phase motor starting | • Pumps |
| • Motor overload protection | • Fans and blowers |
| • Industrial motor control panels | • Compressors |
| • Reduced mechanical starting stress | • Conveyors |
| • Automated motor control | • Industrial mixers |
| Power & Electrical Systems | Industrial Applications |
| • Motor feeder circuits | • Manufacturing lines |
| • Industrial distribution panels | • Water treatment systems |
| • Electrical control cabinets | • HVAC equipment |
| • Motor protection systems | • Material handling systems |
| • Plant electrical automation | • Process machinery |
Additional information
| Warranty : | 12 Month |
|---|---|
| Lead Time : | Ready Stock |
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