Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Rated operational current at 40 °C | 106 A |
| Standard circuit power at 400 V and 40 °C | 55 kW |
| Standard circuit power at 500 V and 40 °C | 75 kW |
| Operating voltage | 400 … 600 V |
| Rated operating frequency | 50 … 60 Hz |
| Control supply voltage | 110 … 230 V AC/DC |
| Control supply frequency | 50 Hz; 60 Hz |
| Main circuit connection | Screw-type terminals |
| Mounting method | Screw and snap-on mounting |
| Front protection class | IP20 |
| Installation altitude | 5 000 m |
Key Features
- Soft starter performance: Rated operational current: 106 A at 40 °C; 98 A at 50 °C and 90 A at 60 °C.
- Motor power rating: Standard circuit rating: 55 kW at 400 V and 75 kW at 500 V, both at 40 °C.
- Operating voltage and frequency: Operating voltage: 400 … 600 V with rated operating frequency 50 … 60 Hz.
- Control supply: AC/DC control supply: 110 … 230 V at AC 50 Hz, AC 60 Hz, or DC.
- Protection and control functions: Has an integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
- Connections and mounting: Has screw-type terminals for main, auxiliary, and control circuits; mounting is by screw and snap-on mounting. Dimensions are 70 mm wide, 170 mm high, and 190 mm deep.
Frequently Asked Questions
1. What is the rated current of Siemens 3RW4047-1BB15?
The rated operational current is 106 A at 40 °C, 98 A at 50 °C, and 90 A at 60 °C.
2. What operating voltage and frequency does this soft starter support?
It has an operating voltage of 400 … 600 V and a rated operating frequency of 50 … 60 Hz.
3. What control supply does 3RW4047-1BB15 use?
The control supply is AC/DC, 110 … 230 V at AC 50 Hz, AC 60 Hz, or DC.
4. Which functions are not included in this configuration?
It is without evaluation of thermistor motor protection, an inside-delta circuit, and a motor brake output.
