Product Description
Key Features
- Exact SIRIUS soft starter identity: SIRIUS S0 soft starter, order number 3RW4026-1BB15, with 25 A rated current at 40 °C.
- Motor power and operating voltage: Rated motor power is 11 kW at 400 V and 15 kW at 500 V in the standard circuit at 40 °C. Operating voltage is 400 … 600 V with -15 % relative negative tolerance and 10 % relative positive tolerance.
- Control supply: The control supply is AC/DC, 110 … 230 V at AC and 110 … 230 V at DC, with 50 Hz and 60 Hz rated frequencies.
- Protection and control functions: The device has intrinsic device protection, motor overload protection, external reset, and adjustable current limitation. Thermistor motor protection evaluation, inside-delta circuit, and motor brake output are not included.
- Terminals and installation: Main, auxiliary, and control circuits use screw-type terminals. The device has screw and snap-on mounting, 45 mm width, 125 mm height, 155 mm depth, and IP20 front protection.
- Lifecycle and supplied data: Product lifecycle: Active Product. Packaging dimensions are 182.00 x 156.00 x 58.00 mm and net weight is 0.696 kg.
Technical Summary
| Product designation | Soft starter |
|---|---|
| Rated current at 40 °C | 25 A |
| Rated motor power at 500 V, standard circuit, 40 °C | 15 kW |
| Operating voltage at 500 V, standard circuit | 400 … 600 V |
| Control supply voltage | 110 … 230 V AC/DC |
| Operating frequency at 500 V | 50 … 60 Hz |
| Main circuit connection | Screw-type terminals |
| Mounting | Screw and snap-on mounting |
| Front protection | IP20 |
| Size | S0 |
| Product lifecycle | Active Product |
Frequently Asked Questions
What exact model should be confirmed for this SIRIUS soft starter?
Confirm Siemens order number 3RW4026-1BB15, SIRIUS S0, 25 A rated current at 40 °C, and screw terminals.
What motor power is supported at 500 V?
The rated motor power is 15 kW at 500 V in the standard circuit at 40 °C.
What control supply does the 3RW4026-1BB15 use?
It uses 110 … 230 V AC or 110 … 230 V DC control supply, with 50 Hz and 60 Hz rated frequencies.
Which functions are not included in this configuration?
It is without thermistor motor protection evaluation, inside-delta circuit, and motor brake output.
