Product Description
Key Features
- Rated current and motor power: 25 A rated current at 40 °C; 11 kW at 400 V in a standard circuit at 40 °C.
- Operating and control supply: 200 … 480 V rated operating voltage; AC/DC control supply with 24 V AC and 24 V DC rated values.
- Integrated functions: Integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
- Connections and contacts: Screw-type terminals for the main, auxiliary, and control circuits; 2 NO auxiliary contacts, 1 CO auxiliary contact, and 0 NC auxiliary contacts.
- Mechanical variant and mounting: S0 size, 45 mm wide, 125 mm high, and 155 mm deep; screw and snap-on mounting.
- Protection and lifecycle: IP20 protection class on the front according to IEC 60529; lifecycle status: Active Product.
Technical Summary
| Product | Siemens 3RW4026-1BB04 SIRIUS soft starter S0 |
|---|---|
| Rated operational current at 40 °C | 25 A |
| Motor power at 400 V | 11 kW at standard circuit, 40 °C rated value |
| Operating voltage | 200 … 480 V rated value at standard circuit |
| Control supply | 24 V AC/DC rated value |
| Operating frequency | 50 … 60 Hz rated value |
| Terminals | Screw-type terminals for main, auxiliary, and control circuits |
| Mounting | Screw and snap-on mounting |
| Front protection | IP20 according to IEC 60529 |
| Ambient temperature during operation | -25 … +60 °C |
| Lifecycle | Active Product |
Frequently Asked Questions
What is the exact model and product family?
The exact model is Siemens 3RW4026-1BB04 from the SIRIUS soft starter family, size S0.
What current and motor power does it have?
It has 25 A rated operational current at 40 °C and 11 kW at 400 V in a standard circuit at 40 °C.
What supply and terminals does it use?
The rated operating voltage is 200 … 480 V, the control supply is 24 V AC/DC, and the connections use screw-type terminals.
What mounting and front protection are specified?
It uses screw and snap-on mounting and has IP20 protection on the front according to IEC 60529.
