Product information
Overview
Key Features
- Rated current: 106 A at 40 °C, 98 A at 50 °C, and 90 A at 60 °C.
- Motor rating: 75 kW at 500 V and 40 °C in a standard circuit; 55 kW at 400 V and 40 °C.
- Operating voltage: 400 … 600 V rated operating voltage in a standard circuit, with -15 % relative negative tolerance and 10 % relative positive tolerance.
- Control supply: AC/DC control supply with 24 V rated control supply voltage at AC and DC; AC control supply supports 50 Hz and 60 Hz.
- Protection and functions: Has integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset and adjustable current limitation. Thermistor motor protection evaluation, inside-delta circuit and motor brake output are not included.
- Mounting and connections: S3 size with screw and snap-on mounting, screw-type terminals for main, auxiliary and control circuits, and IP20 front protection according to IEC 60529.
Technical Summary
| Product type | SIRIUS soft starter S3 |
|---|---|
| Rated current | 106 A at 40 °C |
| Motor rating | 75 kW at 500 V and 40 °C, standard circuit |
| Rated operating voltage | 400 … 600 V |
| Control supply | 24 V AC/DC |
| Operating frequency | 50 … 60 Hz at 500 V |
| Mounting | Screw and snap-on mounting |
| Connection | Screw-type terminals |
| Front protection | IP20 according to IEC 60529 |
| Operating ambient temperature | -25 … +60 °C |
| Product lifecycle | Active Product |
Frequently Asked Questions
What rated current does Siemens 3RW4047-1BB05 have?
It has a rated current of 106 A at 40 °C, 98 A at 50 °C, and 90 A at 60 °C.
What motor rating is supported at 500 V?
The rating is 75 kW at 500 V and 40 °C in a standard circuit.
What control supply and terminals does it use?
It uses a 24 V AC/DC control supply and screw-type terminals for the main, auxiliary and control circuits.
Which functions are not included?
Thermistor motor protection evaluation, an inside-delta circuit, and a motor brake output are not included.
How can I request a quotation for this configuration?
Send the required quantity, destination, requested date and project or MRO details for model-specific quotation support.
