Technical Summary
| Product designation | Soft starter |
|---|---|
| Product brand name | SIRIUS |
| Size of engine control device | S2 |
| Rated current at 40 °C | 72 A |
| Power at 500 V, standard circuit, 40 °C | 45 kW |
| Operating voltage, standard circuit | 400 … 600 V |
| Control supply voltage | 110 … 230 V |
| Control supply type | AC/DC |
| Operating frequency | 50 … 60 Hz |
| Main current circuit connection | screw-type terminals |
Key Features
SIRIUS soft starter S2
Soft starter with size of engine control device S2.
Soft starter with size of engine control device S2.
72 A rated current at 40 °C
Rated current at 40 °C: 72 A.
Rated current at 40 °C: 72 A.
45 kW at 500 V
Power rating at 500 V and 40 °C: 45 kW.
Power rating at 500 V and 40 °C: 45 kW.
Integrated bypass contact system
Integrated bypass contact system: Yes.
Integrated bypass contact system: Yes.
Screw terminals
Main current circuit and auxiliary and control circuit use screw-type terminals.
Main current circuit and auxiliary and control circuit use screw-type terminals.
Applications
Soft starting of motors
Supports soft starting with adjustable current limitation and integrated bypass contact system.
Supports soft starting with adjustable current limitation and integrated bypass contact system.
Frequently Asked Questions
What is Siemens 3RW4038-1BB15?
It is a SIRIUS soft starter, size S2.
What are the rated current and power values for 3RW4038-1BB15?
Rated current at 40 °C is 72 A, and the power rating at 500 V is 45 kW.
What control supply does 3RW4038-1BB15 use?
The control supply is 110 … 230 V AC/DC.
What connections and dimensions does 3RW4038-1BB15 have?
It uses screw-type terminals for the main current circuit, and its dimensions are 55 mm wide, 160 mm high, and 170 mm deep.
