Product Overview
Technical Summary
| Product type | SIRIUS soft starter S0 |
|---|---|
| Rated current at 40 °C | 32 A |
| Motor power at 400 V | 15 kW |
| Operating voltage | 200 … 480 V |
| Control supply | 110 … 230 V AC/DC |
| Main connections | Screw-type terminals |
| Mounting | Screw and snap-on mounting |
| Front protection | IP20 |
| Operating temperature | -25 … +60 °C |
| Integrated bypass contact system | Yes |
| Motor overload protection | Yes |
Key Features
Rated current: 32 A at 40 °C. Standard circuit motor power: 15 kW at 400 V and 7.5 kW at 230 V.
Rated operating voltage: 200 … 480 V at standard circuit, with a relative negative tolerance of -15 % and positive tolerance of 10 %.
Control supply voltage: 110 … 230 V AC at 50 Hz or 60 Hz, and 110 … 230 V DC.
Has intrinsic device protection, motor overload protection, external reset, and adjustable current limitation. Evaluation of thermistor motor protection: No.
Size S0 with screw and snap-on mounting. Main current, auxiliary, and control connections use screw-type terminals.
Device dimensions: 45 mm wide, 125 mm high, and 155 mm deep. Front protection class: IP20.
Frequently Asked Questions
What is the exact product type and rated current?
It is the Siemens SIRIUS 3RW4027-1BB14 S0 soft starter with a rated current of 32 A at 40 °C.
What motor power is supported in the standard circuit?
The standard circuit rating is 15 kW at 400 V and 7.5 kW at 230 V.
What control supply does this soft starter use?
The control supply is 110 … 230 V AC at 50 Hz or 60 Hz, or 110 … 230 V DC.
How is the device mounted and connected?
It uses screw and snap-on mounting, with screw-type terminals for the main current, auxiliary, and control circuits.
