Key Features
- Soft starter designation: SIRIUS soft starter with product designation Soft starter.
- Performance rating: 55 kW/400 V and 106 A at 40 °C.
- Control supply: 200-480 V AC with 24 V AC/DC control supply.
- Connections: Screw-type terminals for main current circuit and auxiliary and control circuit.
- Protection and control functions: Integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
Technical Summary
| Product designation | Soft starter |
|---|---|
| Product brand name | SIRIUS |
| Size of engine control device | S3 |
| Operational current at 40 °C rated value | 106 A |
| Power at 400 V at standard circuit at 40 °C rated value | 55 kW |
| Operating voltage at standard circuit rated value | 200 … 480 V |
| Control supply voltage 1 at AC at 50 Hz rated value | 24 V |
| Control supply voltage 1 at DC rated value | 24 V |
| Type of electrical connection for main current circuit | screw-type terminals |
Applications
- Controlled motor starting: Controlled starting of a connected motor with adjustable current limitation.
- Motor overload protection: Protection of a connected motor against overload.
Frequently Asked Questions
What is Siemens 3RW4047-1BB04?
It is a SIRIUS soft starter.
What are the main electrical ratings of 3RW4047-1BB04?
It is rated at 55 kW/400 V and 106 A at 40 °C.
What control supply does 3RW4047-1BB04 use?
The control supply voltage is 24 V AC/DC, with operating voltage 200 … 480 V.
What type of terminals does 3RW4047-1BB04 have?
It uses screw-type terminals for the main current circuit and for the auxiliary and control circuit.
