Product Overview
Technical Summary
| Product designation | SIRIUS soft starter |
|---|---|
| Size | S0 |
| Rated current at 40 °C | 25 A |
| Motor power at 400 V | 11 kW |
| Operating voltage | 200 … 480 V |
| Control supply | AC/DC, 110 … 230 V |
| Main circuit connection | Screw-type terminals |
| Mounting | Screw and snap-on mounting |
| Front protection | IP20 |
| Integrated bypass contact system | Yes |
| Motor overload protection | Yes |
Key Features
- Product designation: SIRIUS soft starter, S0 size.
- Rated current: 25 A at 40 °C; 23 A at 50 °C and 21 A at 60 °C.
- Motor power: 11 kW at 400 V in a standard circuit at 40 °C; 5.5 kW at 230 V.
- Operating voltage: 200 … 480 V in a standard circuit, with -15 % relative negative tolerance and 10 % relative positive tolerance.
- Control supply: AC/DC, 110 … 230 V at AC or DC; screw-type terminals are provided for the main, auxiliary, and control circuits.
- 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 identifies Siemens 3RW4026-1BB14?
It is a SIRIUS S0 soft starter with a rated current of 25 A at 40 °C.
Which specifications distinguish this MLFB variant?
The supplied variant has 11 kW motor power at 400 V, 200 … 480 V operating voltage, AC/DC 110 … 230 V control supply, and screw-type terminals.
What mounting details should be checked?
Check the 45 mm x 125 mm x 155 mm dimensions and the screw and snap-on mounting method.
What code and nameplate details should be checked for quotation?
Check the complete order number 3RW4026-1BB14, the SIRIUS designation, S0 size, rated current, voltage, and terminal type.
