Product Description
Key Features
- Rated current and motor rating: Rated current: 106 A at 40 °C. Standard-circuit motor rating: 55 kW at 400 V and 30 kW at 230 V.
- Operating voltage and frequency: Operating voltage: 200 … 480 V. Rated operating frequency: 50 … 60 Hz.
- Control supply: Control supply: AC/DC, 24 V at 50 Hz, 60 Hz, or DC, with -20 % and 20 % tolerance.
- Protection and control functions: Has 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.
- Terminals and mounting: Main, auxiliary and control circuits use screw-type terminals. Mounting: screw and snap-on mounting; device size: S3.
- Dimensions and front protection: Dimensions: 70 mm width, 170 mm height and 190 mm depth. Front protection class: IP20.
Technical Summary
| Product | Siemens 3RW4047-1BB04, SIRIUS soft starter S3 |
|---|---|
| Rated current at 40 °C | 106 A |
| Motor rating at 400 V | 55 kW |
| Operating voltage | 200 … 480 V |
| Rated operating frequency | 50 … 60 Hz |
| Control supply | AC/DC, 24 V |
| Main circuit connection | Screw-type terminals |
| Mounting | Screw and snap-on mounting |
| Front protection class | IP20 |
| Operating ambient temperature | -25 … +60 °C |
| Product lifecycle | Active Product |
Frequently Asked Questions
What is the rated current of Siemens 3RW4047-1BB04?
The rated current is 106 A at 40 °C, 98 A at 50 °C and 90 A at 60 °C.
What motor rating does this soft starter provide at 400 V?
The standard-circuit motor rating is 55 kW at 400 V and 40 °C.
What control supply does the 3RW4047-1BB04 use?
The control supply is AC/DC, 24 V, with 50 Hz and 60 Hz AC values and 24 V DC.
Which terminals are installed?
The main, auxiliary and control circuits use screw-type terminals. The unit has 2 NO and 1 CO auxiliary contacts, with 0 NC contacts.
