Product information
Overview
Key Features
- Rated current and power: Rated operational current is 25 A at 40 °C; the standard circuit rating is 15 kW at 500 V and 11 kW at 400 V.
- Operating and control supply: Operating voltage is 400 … 600 V with 50 … 60 Hz rated frequency. The control supply is 110 … 230 V AC/DC.
- Soft-start functions: The unit has an integrated bypass contact system, thyristors, adjustable current limitation, intrinsic device protection and motor overload protection.
- Protection and reset: The product has external reset and front protection class IP20. Evaluation of thermistor motor protection and a motor brake output are not included.
- Mounting and connections: Size S0, 45 mm wide, 125 mm high and 155 mm deep, with screw and snap-on mounting. Main, auxiliary and control circuits use screw-type terminals.
- Operating conditions: Operating ambient temperature is -25 … +60 °C, with a 40 °C derating temperature. Required side-by-side spacing is 60 mm upwards, 15 mm at the side and 40 mm downwards.
Technical Summary
| Product | SIRIUS soft starter S0 |
|---|---|
| Rated operational current at 40 °C | 25 A |
| Standard circuit power at 500 V and 40 °C | 15 kW |
| Operating voltage at standard circuit | 400 … 600 V |
| Operating frequency | 50 … 60 Hz |
| Control supply | 110 … 230 V AC/DC |
| Integrated bypass contact system | Yes |
| Adjustable current limitation | Yes |
| Motor overload protection | Yes |
| Mounting | Screw and snap-on mounting |
| Connections | Screw-type terminals |
| Front protection | IP20 |
Frequently Asked Questions
What is the rated current of Siemens 3RW4026-1BB15?
The rated operational current is 25 A at 40 °C; it is 23 A at 50 °C and 21 A at 60 °C.
What operating voltage and control supply does this soft starter use?
Operating voltage is 400 … 600 V at the standard circuit. The control supply is 110 … 230 V AC/DC.
How is the 3RW4026-1BB15 mounted and connected?
It uses screw and snap-on mounting. Main, auxiliary and control circuits use screw-type terminals.
Does this configuration include thermistor motor protection or a motor brake output?
It is without thermistor motor protection evaluation and without a motor brake output.
What details should I provide for a quotation?
Please provide the required quantity and destination for an MRO or project quotation.
