Product Overview
Technical Summary
| Product type | SIRIUS soft starter S2 |
|---|---|
| Rated current at 40 °C | 72 A |
| Standard-circuit power at 400 V | 37 kW |
| Operating voltage at standard circuit | 200 … 480 V |
| Control supply | AC/DC, 110 … 230 V |
| Rated operating frequency | 50 … 60 Hz |
| Main circuit connection | Screw-type terminals |
| Mounting | Screw and snap-on mounting |
| Front protection | IP20 according to IEC 60529 |
| Operating ambient temperature | -25 … +60 °C |
| Product lifecycle | Active Product |
Key Features
Rated current: 72 A at 40 °C; standard-circuit power: 37 kW at 400 V and 22 kW at 230 V.
Operating voltage: 200 … 480 V at standard circuit; rated operating frequency: 50 … 60 Hz.
Control supply: AC/DC, 110 … 230 V at AC and 110 … 230 V at DC.
Has intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
Main, auxiliary, and control circuits use screw-type terminals; fastening: screw and snap-on mounting.
Without thermistor motor protection evaluation, inside-delta circuit, and motor brake output.
Frequently Asked Questions
What exact component is Siemens 3RW4038-1BB14?
It is a SIRIUS soft starter S2 with 72 A rated current at 40 °C and 37 kW at 400 V.
What control supply does this soft starter use?
The control supply is AC/DC, with 110 … 230 V at AC and 110 … 230 V at DC.
How is Siemens 3RW4038-1BB14 mounted and connected?
It uses screw and snap-on mounting. Main, auxiliary, and control circuits use screw-type terminals.
What information should be submitted for a quotation containing this line item?
Submit the requested quantity, destination, schedule context, and any additional BOM lines with the exact order number.
