Technical Summary
| Product designation | Soft starter |
|---|---|
| Product brand name | SIRIUS |
| Size | S2 |
| Rated current at 40 °C | 72 A |
| Power rating at 500 V | 45 kW |
| Operating voltage | 400 … 600 V |
| Control supply voltage | 110 … 230 V AC/DC |
| Control supply frequency | 50 … 60 Hz |
| Main current circuit connections | screw-type terminals |
| Auxiliary and control circuit connections | screw-type terminals |
Applications
Soft starting for a motor connected through the 3-phase main current circuit.
Protection function for motor overload conditions.
Adjustable current limitation for controlled starting of the connected load.
Key Features
Soft starter with SIRIUS designation and size S2.
Rated current at 40 °C is 72 A.
At 500 V, the standard circuit rating is 45 kW at 40 °C.
Operating voltage at standard circuit rated value is 400 … 600 V.
Control supply voltage is 110 … 230 V AC/DC.
Main current circuit and auxiliary and control circuit use screw-type terminals.
Frequently Asked Questions
What is Siemens 3RW4038-1BB15?
It is a SIRIUS soft starter, size S2, with the exact order number 3RW4038-1BB15.
What are the main electrical ratings of 3RW4038-1BB15?
The rated current is 72 A at 40 °C, and the standard circuit rating at 500 V is 45 kW.
What control supply does 3RW4038-1BB15 use?
The control supply voltage is 110 … 230 V AC/DC.
What terminals are used on 3RW4038-1BB15?
Main current circuit and auxiliary and control circuit connections are screw-type terminals.
What is the lifecycle status of 3RW4038-1BB15?
It is listed as an Active Product.
