Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Rated current at 40 °C | 80 A |
| Rated motor power at 400 V | 45 kW |
| Operating voltage | 200 … 480 V |
| Rated operating frequency | 50 … 60 Hz |
| Control supply | 24 V AC/DC |
| Motor overload protection | Yes |
| Adjustable current limitation | Yes |
| Main and control connection | Screw-type terminals |
| Mounting | Screw and snap-on mounting |
| Front protection | IP20 |
| Operating ambient temperature | -25 … +60 °C |
Key Features
- Motor starting control: Soft starter with thyristors, integrated bypass contact system, and adjustable current limitation.
- Rated current and motor power: Rated current: 80 A at 40 °C. Rated motor power: 45 kW at 400 V in a standard circuit at 40 °C.
- Operating voltage and frequency: Operating voltage: 200 … 480 V. Rated operating frequency: 50 … 60 Hz.
- Control supply: AC/DC control supply with 24 V rated value at AC and DC.
- Protection and reset: Intrinsic device protection, motor overload protection, and external reset are provided. Thermistor motor protection evaluation is not provided.
- Connections and mounting: Screw-type terminals are used for the main, auxiliary, and control circuits. Mounting is by screw and snap-on mounting.
Frequently Asked Questions
1. What is the rated current of the Siemens 3RW4046-1BB04?
The rated current is 80 A at 40 °C, 73 A at 50 °C, and 66 A at 60 °C.
2. What motor power is supported at 400 V?
The rated motor power is 45 kW at 400 V in a standard circuit at 40 °C.
3. What control supply does this soft starter use?
The control supply is AC/DC, with a rated value of 24 V at AC and DC.
4. How is the 3RW4046-1BB04 connected and mounted?
It uses screw-type terminals for the main, auxiliary, and control circuits, with screw and snap-on mounting.
