Product Overview
Technical Summary
| Product designation | Soft starter |
|---|---|
| Product family | SIRIUS |
| Size | S2 |
| Rated current at 40 °C | 63 A |
| Motor power at 400 V, standard circuit, 40 °C | 30 kW |
| Operating voltage at standard circuit | 200 … 480 V |
| Operating frequency | 50 … 60 Hz |
| Control supply voltage | 24 V AC/DC |
| Main current circuit connection | Screw-type terminals |
| Mounting | Screw and snap-on mounting |
| Front protection class | IP20 |
| Operating ambient temperature | -25 … +60 °C |
Key Features
- Product designation and size: SIRIUS soft starter, size S2.
- Rated current and motor power: Rated current: 63 A at 40 °C; motor power: 30 kW at 400 V in a standard circuit at 40 °C.
- Operating voltage and frequency: Operating voltage: 200 … 480 V in a standard circuit; rated operating frequency: 50 … 60 Hz.
- Control supply: Control supply voltage: 24 V AC/DC, with 50 Hz and 60 Hz rated frequencies.
- Integrated functions: Has an integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
- Connection and mounting: Has screw-type terminals for the main current, auxiliary, and control circuits, with screw and snap-on mounting.
Frequently Asked Questions
What product does Siemens 3RW4037-1BB04 identify?
It identifies a SIRIUS S2 soft starter.
Which specifications distinguish this MLFB variant?
The supplied variant has 63 A rated current at 40 °C, 30 kW at 400 V in a standard circuit at 40 °C, 200 … 480 V operating voltage, and 24 V AC/DC control supply.
What connection and mounting details should be checked?
Check the screw-type terminals for the main current, auxiliary, and control circuits, plus screw and snap-on mounting.
What details are needed to request a quotation?
Provide the complete Siemens order number, required quantity, and destination.
