Product Overview
Technical Summary
| Product designation | SIRIUS soft starter |
|---|---|
| Size | S2 |
| Rated current at 40 °C | 72 A |
| Motor power at 400 V | 37 kW |
| Operating voltage | 200 … 480 V |
| Control supply | 24 V AC/DC |
| Main circuit connection | Screw-type terminals |
| Protection on front | IP20 |
| Mounting | Screw and snap-on mounting |
| Operating ambient temperature | -25 … +60 °C |
Key Features
- Product designation: SIRIUS soft starter, size S2.
- Rated current: 72 A at 40 °C; 62 A at 50 °C and 60 A at 60 °C.
- Motor power at 400 V: 37 kW at standard circuit and 40 °C rated value.
- Operating voltage: 200 … 480 V at standard circuit rated value.
- Control supply: AC/DC control supply with 24 V AC and 24 V DC rated values.
- Connections and mounting: Screw-type terminals for main, auxiliary, and control circuits; screw and snap-on mounting.
Frequently Asked Questions
What product does Siemens order number 3RW4038-1BB04 identify?
It identifies a SIRIUS S2 soft starter.
Which specifications distinguish this 3RW4038-1BB04 variant?
The supplied variant has 72 A rated current at 40 °C, 37 kW at 400 V, 200 … 480 V operating voltage, 24 V AC/DC control supply, and screw-type terminals.
What should be checked when verifying this Siemens code?
Check the complete order number 3RW4038-1BB04 together with the product designation, rated current, operating voltage, control supply, and terminal type.
What information is needed for a quotation?
Provide the required quantity and destination together with the complete order number 3RW4038-1BB04.
