Product Overview
Technical Summary
| Product designation | SIRIUS soft starter |
|---|---|
| Size | S2 |
| Rated current at 40 °C | 63 A |
| Motor capacity at 500 V | 37 kW |
| Operating voltage | 400 to 600 V |
| Control supply voltage | 110 to 230 V AC/DC |
| Main functions | Integrated bypass contact system; adjustable current limitation; motor overload protection |
| Mounting | Screw and snap-on mounting |
| Front protection | IP20 |
| Main current connection | Screw-type terminals |
Key Features
- Product designation: SIRIUS soft starter, size S2.
- Rated current: 63 A at 40 °C; 58 A at 50 °C and 53 A at 60 °C.
- Motor capacity: 30 kW at 400 V and 37 kW at 500 V in the standard circuit at 40 °C.
- Operating voltage: 400 to 600 V in the standard circuit, with 10 % positive tolerance and -15 % negative tolerance.
- Control supply: 110 to 230 V AC at 50 Hz or 60 Hz, or 110 to 230 V DC.
- Electrical connection: Screw-type terminals for the main current circuit and auxiliary and control circuits.
Frequently Asked Questions
What does Siemens order number 3RW4037-1BB15 identify?
It identifies a SIRIUS S2 soft starter with 63 A rated current at 40 °C, 37 kW at 500 V, and 400 to 600 V operating voltage.
Which specifications distinguish this 3RW4037-1BB15 variant?
The listed variant has 110 to 230 V AC/DC control supply, screw-type terminals, integrated bypass contact system, adjustable current limitation, and motor overload protection.
What code and nameplate details should be checked before inquiry?
Check the complete order number 3RW4037-1BB15, the SIRIUS designation, rated current, operating voltage, motor capacity, control supply, and terminal type.
What information is needed for a quotation?
Provide the complete order number, required quantity, and destination.
