Key Features
- Soft starter function: Soft starter with integrated bypass contact system and thyristors.
- Protection and control functions: Intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
- Electrical ratings: 106 A at 40 °C, 55 kW at 400 V, and operating voltage 200 … 480 V.
- Control supply: Control supply voltage type AC/DC with 24 V AC and 24 V DC ratings.
- Installation and connections: Screw and snap-on mounting with screw-type terminals for the main current circuit and auxiliary and control circuit.
Applications
- Soft starting of a motor load: Used for soft starting with adjustable current limitation and motor overload protection.
Technical Summary
| Product designation | Soft starter |
|---|---|
| Product brand name | SIRIUS |
| S3 rated current at 40 °C | 106 A |
| Power at 400 V | 55 kW |
| Operating voltage | 200 … 480 V |
| Control supply voltage | 24 V |
| Control supply voltage type | AC/DC |
| Integrated bypass contact system | Yes |
| Thyristors | Yes |
| Motor overload protection | Yes |
| Adjustable current limitation | Yes |
| Protection class on the front according to IEC 60529 | IP20 |
Frequently Asked Questions
What is Siemens 3RW4047-1BB04?
It is a SIRIUS soft starter.
What is the rated current of 3RW4047-1BB04 at 40 °C?
The rated current at 40 °C is 106 A.
What power rating does 3RW4047-1BB04 have at 400 V?
The power rating at 400 V is 55 kW.
What control supply does 3RW4047-1BB04 use?
The control supply voltage type is AC/DC, with 24 V AC and 24 V DC ratings.
What connection and mounting details are listed for 3RW4047-1BB04?
It uses screw-type terminals and screw and snap-on mounting.
