Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Rated current at 40 °C | 106 A |
| Rated operating voltage | 400 … 600 V |
| Motor power at 500 V | 75 kW at 40 °C in a standard circuit |
| Control supply | 24 V AC/DC |
| Rated control supply frequency | 50 Hz or 60 Hz |
| Connection type | Screw-type terminals |
| Mounting | Screw and snap-on mounting |
| Front protection class | IP20 according to IEC 60529 |
Key Features
- Rated current: 106 A at 40 °C; 98 A at 50 °C and 90 A at 60 °C.
- Operating voltage and motor power: 400 … 600 V rated operating voltage; 75 kW at 500 V and 55 kW at 400 V in a standard circuit at 40 °C.
- Control supply: 24 V AC/DC control supply with ±20 % tolerance; rated control supply frequency 50 Hz or 60 Hz.
- Protection and functions: Has integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
- Connections and mounting: Screw-type terminals for the main current, auxiliary, and control circuits; fastening by screw and snap-on mounting.
- Dimensions and protection: 70 mm wide, 170 mm high, and 190 mm deep; front protection class IP20 according to IEC 60529.
Frequently Asked Questions
1. What is the rated current of Siemens 3RW4047-1BB05?
The rated current is 106 A at 40 °C, 98 A at 50 °C, and 90 A at 60 °C.
2. What operating voltage and motor power does this soft starter have?
The rated operating voltage is 400 … 600 V. Motor power is 75 kW at 500 V and 55 kW at 400 V in a standard circuit at 40 °C.
3. What control supply does the 3RW4047-1BB05 require?
It has a 24 V AC/DC control supply with ±20 % tolerance and a rated control supply frequency of 50 Hz or 60 Hz.
4. How is the soft starter connected and mounted?
It uses screw-type terminals for the main current, auxiliary, and control circuits, with screw and snap-on mounting.
