Key Features
- Soft starter, size S3: Product designation: Soft starter. Size of engine control device: S3.
- 55 kW at 400 V: At 400 V, standard circuit rated value: 55 kW at 40 °C.
- 106 A at 40 °C: Operational current at 40 °C rated value: 106 A.
- Integrated bypass contact system: Integrated bypass contact system: Yes.
- Motor protection functions: Motor overload protection: Yes. Intrinsic device protection: Yes.
- Adjustable current limitation: Adjustable current limitation: Yes.
Technical Summary
| Product designation | Soft starter |
|---|---|
| Size of engine control device | 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 AC/DC |
| Integrated bypass contact system | Yes |
| Thyristors | Yes |
| Motor overload protection | Yes |
| Adjustable current limitation | Yes |
| Fastening method | screw and snap-on mounting |
| Protection class IP on the front | IP20 |
Applications
- Motor starting with adjustable current limitation: Use for controlled motor start-up with adjustable current limitation.
Frequently Asked Questions
What is Siemens 3RW4047-1BB14?
It is a SIRIUS soft starter with product designation Soft starter and size S3.
What are the main electrical ratings of 3RW4047-1BB14?
The operating voltage is 200 … 480 V, the control supply voltage is 110 … 230 V AC/DC, and the rated value at 400 V is 55 kW.
What is the rated current of 3RW4047-1BB14?
The operational current at 40 °C rated value is 106 A.
Which connection and mounting details are listed for 3RW4047-1BB14?
The fastening method is screw and snap-on mounting. The main current circuit, auxiliary circuit, and control circuit use screw-type terminals.
What protection and control functions are included in 3RW4047-1BB14?
Integrated bypass contact system: Yes. Thyristors: Yes. Motor overload protection: Yes. Adjustable current limitation: Yes.
