Technical Summary
| Product designation | Soft starter |
|---|---|
| Size | S3 |
| Operational current at 40 °C | 106 A |
| Power at 400 V | 55 kW |
| Operating voltage | 200 … 480 V |
| Control supply voltage | 110 … 230 V |
| Control supply type | AC/DC |
| Operating frequency | 50 … 60 Hz |
| Electrical connection | screw-type terminals |
| Mounting method | screw and snap-on mounting |
| Protection class on the front | IP20 |
Key Features
SIRIUS soft starter
Soft starter with S3 size.
Soft starter with S3 size.
106 A operating current
Rated value at 40 °C is 106 A.
Rated value at 40 °C is 106 A.
55 kW/400 V
At 400 V, standard circuit rated value is 55 kW.
At 400 V, standard circuit rated value is 55 kW.
200-480 V AC main supply
Operating voltage at standard circuit rated value is 200 … 480 V.
Operating voltage at standard circuit rated value is 200 … 480 V.
110-230 V AC/DC control supply
Control supply voltage is 110 … 230 V AC at 50 Hz and 60 Hz, and 110 … 230 V DC.
Control supply voltage is 110 … 230 V AC at 50 Hz and 60 Hz, and 110 … 230 V DC.
Screw terminals
Main current circuit and auxiliary and control circuit use screw-type terminals.
Main current circuit and auxiliary and control circuit use screw-type terminals.
Applications
Motor starting with reduced current
Supports soft starting with adjustable current limitation.
Supports soft starting with adjustable current limitation.
Motor overload protection
Provides motor overload protection and external reset.
Provides motor overload protection and external reset.
Frequently Asked Questions
What is Siemens 3RW4047-1BB14?
It is a SIRIUS soft starter in size S3.
What is the rated current of 3RW4047-1BB14?
The rated current at 40 °C is 106 A.
What supply voltage does 3RW4047-1BB14 use?
The operating voltage at standard circuit rated value is 200 … 480 V, and the control supply voltage is 110 … 230 V AC/DC.
How is 3RW4047-1BB14 connected?
The main current circuit and the auxiliary and control circuit use screw-type terminals.
