Technical Summary
| Product designation | Soft starter |
|---|---|
| Product brand name | SIRIUS |
| Size | S2 |
| Operational current at 40 °C | 72 A |
| At 400 V | 37 kW |
| Operating voltage at standard circuit rated value | 200 … 480 V |
| Control supply voltage type | AC/DC |
| Control supply voltage 1 at AC at 50 Hz rated value | 24 V |
| Control supply voltage 1 at AC at 60 Hz rated value | 24 V |
| Integrated bypass contact system | Yes |
| Thyristors | Yes |
| Fastening method | screw and snap-on mounting |
Applications
Soft starter function for controlled motor starting with adjustable current limitation.
Motor overload protection function.
Key Features
Soft starter with product designation Soft starter and product brand name SIRIUS.
Operational current: 72 A at 40 °C rated value.
At 400 V, standard circuit rated value: 37 kW.
Control supply voltage type: AC/DC, with 24 V at AC and DC.
Type of electrical connection for main current circuit and auxiliary and control circuit: screw-type terminals.
Supplied lifecycle: Active Product.
Frequently Asked Questions
What is Siemens 3RW4038-1BB04?
It is a SIRIUS soft starter, size S2.
What are the main rating values for 3RW4038-1BB04?
It is rated at 72 A at 40 °C and 37 kW at 400 V.
What control supply does 3RW4038-1BB04 use?
The control supply voltage type is AC/DC, with 24 V at AC and DC.
What type of terminal connection does 3RW4038-1BB04 have?
It uses screw-type terminals for the main current circuit and for the auxiliary and control circuit.
What lifecycle status is supplied for 3RW4038-1BB04?
The supplied lifecycle is Active Product.
