Product Overview
Technical Summary
| Product designation | SIRIUS soft starter |
|---|---|
| Size | S0 |
| Rated current at 40 °C | 32 A |
| Motor power at 500 V | 18.5 kW |
| Operating voltage | 400 … 600 V |
| Control supply voltage | 110 … 230 V AC/DC |
| Electrical connection | Screw-type terminals |
| Mounting | Screw and snap-on mounting |
| Front protection | IP20 |
| Operating temperature | -25 … +60 °C |
| Product lifecycle | Active Product |
Key Features
- Product designation: SIRIUS soft starter, size S0.
- Rated current: 32 A at 40 °C; 29 A at 50 °C and 26 A at 60 °C.
- Motor power: 18.5 kW at 500 V in the standard circuit at 40 °C.
- Operating voltage: 400 … 600 V rated value in the standard circuit, with -15 % relative negative tolerance and 10 % relative positive tolerance.
- Control supply: 110 … 230 V AC at 50 Hz or 60 Hz, and 110 … 230 V DC; screw-type terminals.
- Mechanical installation: 45 mm wide, 125 mm high and 155 mm deep; screw and snap-on mounting; IP20 on the front.
Frequently Asked Questions
What product does Siemens 3RW4027-1BB15 identify?
It identifies a SIRIUS S0 soft starter with a 32 A rated current at 40 °C and 18.5 kW at 500 V.
Which specifications distinguish this exact variant?
Key distinguishing facts are 400 … 600 V operating voltage, 110 … 230 V AC/DC control supply, S0 size, and screw-type terminals.
What should be checked when verifying the code?
Check the complete order number 3RW4027-1BB15, the SIRIUS S0 designation, 32 A rating, 18.5 kW at 500 V, and the nameplate details.
What information is needed for a quotation?
Provide the complete order number, required quantity, and destination.
