Technical Summary
| Product designation | Soft starter |
|---|---|
| Product family | SIRIUS |
| Size | S2 |
| Rated current at 40 °C | 72 A |
| Rated power at 400 V | 37 kW |
| Operating voltage | 200 … 480 V |
| Control supply voltage | 110 … 230 V AC/DC |
| Control supply frequency | 50 … 60 Hz |
| Main current circuit connection | screw-type terminals |
| Auxiliary and control circuit connection | screw-type terminals |
| Degree of pollution | 3, acc. to IEC 60947-4-2 |
| Protection class IP on the front according to IEC 60529 | IP20 |
Applications
Soft starting with adjustable current limitation for the motor.
Motor overload protection with external reset.
Key Features
Soft starter for the SIRIUS family in size S2.
Rated operational current at 40 °C: 72 A.
Standard circuit rating at 40 °C: 37 kW at 400 V.
Control supply voltage: 110 … 230 V AC at 50 Hz and 60 Hz, and 110 … 230 V DC.
Main current circuit and auxiliary and control circuit use screw-type terminals.
Product lifecycle: Active Product.
Frequently Asked Questions
What is Siemens 3RW4038-1BB14?
It is a SIRIUS soft starter S2.
What are the main current ratings for 3RW4038-1BB14?
Rated current at 40 °C is 72 A, and the standard circuit rating at 400 V is 37 kW.
What control supply does 3RW4038-1BB14 use?
The control supply voltage is 110 … 230 V AC/DC, with control supply frequency 50 … 60 Hz.
What connection type is used on 3RW4038-1BB14?
Main current circuit and auxiliary and control circuit use screw-type terminals.
