Product Description
Key Features
- Rated current and motor power: Rated operational current is 72 A at 40 °C; the standard circuit rating is 37 kW at 400 V and 22 kW at 230 V.
- Operating and control supply: Operating voltage is 200 … 480 V with a 50 … 60 Hz rated operating frequency. The control supply is AC/DC, 24 V at AC or DC.
- Protection and control functions: Has intrinsic device protection, motor overload protection, external reset and adjustable current limitation. Thermistor motor protection evaluation, inside-delta circuit and motor brake output are not included.
- Connections and mounting: Main, auxiliary and control circuits use screw-type terminals. Mounting is by screw and snap-on mounting; the device has S2 size and IP20 front protection.
Technical Summary
| Product model | 3RW4038-1BB04 |
|---|---|
| Product family | SIRIUS soft starter S2 |
| Rated operational current at 40 °C | 72 A |
| Standard circuit motor power at 400 V | 37 kW |
| Operating voltage | 200 … 480 V |
| Rated operating frequency | 50 … 60 Hz |
| Control supply | 24 V AC/DC |
| Connection type | Screw-type terminals for main, auxiliary and control circuits |
| Mounting method | Screw and snap-on mounting |
| Front protection | IP20 according to IEC 60529 |
| Lifecycle | Active Product |
Frequently Asked Questions
What rated current does Siemens 3RW4038-1BB04 provide?
It has a rated operational current of 72 A at 40 °C, 62 A at 50 °C and 60 A at 60 °C.
What motor power is specified for the standard circuit?
The standard circuit rating is 37 kW at 400 V and 22 kW at 230 V.
What control supply and terminals does this soft starter use?
It uses a 24 V AC/DC control supply and screw-type terminals for the main, auxiliary and control circuits.
How is the 3RW4038-1BB04 mounted and protected?
It uses screw and snap-on mounting and has IP20 protection on the front according to IEC 60529.
