Product Overview
Technical Summary
| Product designation | Soft starter |
|---|---|
| Product family | SIRIUS |
| Size | S0 |
| Rated current at 40 °C | 32 A |
| Rated motor power at 400 V | 15 kW |
| Rated operating voltage | 200 … 480 V |
| Control supply | 24 V AC/DC |
| Main circuit connection | Screw-type terminals |
| Mounting | Screw and snap-on mounting |
| Front protection | IP20 |
| Product lifecycle | Active Product |
Key Features
- Product designation and size: SIRIUS soft starter, S0 size.
- Rated current: 32 A at 40 °C; 29 A at 50 °C and 26 A at 60 °C.
- Motor power: 15 kW at 400 V and 7.5 kW at 230 V in the standard circuit at 40 °C.
- Main circuit voltage: 200 … 480 V rated operating voltage at the standard circuit, with -15 % relative negative tolerance and 10 % relative positive tolerance.
- Control supply: AC/DC control supply, 24 V AC or 24 V DC, with ±20 % tolerance.
- Connections and mounting: Screw-type terminals, screw and snap-on mounting, 45 mm width, 125 mm height, and 155 mm depth.
Frequently Asked Questions
What product does Siemens order number 3RW4027-1BB04 identify?
It identifies a SIRIUS S0 soft starter.
Which specifications distinguish the 3RW4027-1BB04 variant?
The variant has 32 A rated current at 40 °C, 15 kW at 400 V, 200 … 480 V rated operating voltage, 24 V AC/DC control supply, and screw-type terminals.
What mounting and connection details should be checked?
Check the 45 mm width, 125 mm height, 155 mm depth, screw and snap-on mounting, and screw-type terminals for the main, auxiliary, and control circuits.
What details are needed to request a quotation?
Provide the complete order number, required quantity, and destination.
