Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Rated operational current at 40 °C | 25 A |
| Standard-circuit motor rating at 400 V and 40 °C | 11 kW |
| Operating voltage | 200 … 480 V |
| Operating frequency | 50 … 60 Hz |
| Control supply | 110 … 230 V AC/DC |
| Control supply type | AC/DC |
| Connection | Screw-type terminals for main, auxiliary, and control circuits |
| Mounting | Screw and snap-on mounting |
| Front protection | IP20 |
Key Features
- Rated current and motor rating: Rated operational current is 25 A at 40 °C; the standard-circuit rating is 11 kW at 400 V and 5.5 kW at 230 V at 40 °C.
- Operating voltage and frequency: Operating voltage is 200 … 480 V with a rated operating frequency of 50 … 60 Hz.
- Control supply: The control supply is AC/DC, with 110 … 230 V AC at 50 Hz or 60 Hz and 110 … 230 V DC.
- Protection and control functions: The device has intrinsic device protection, motor overload protection, adjustable current limitation, and external reset. Thermistor motor protection evaluation is not included.
- Bypass and terminals: An integrated bypass contact system is included. Main, auxiliary, and control circuits use screw-type terminals.
- Mounting and protection: Size S0; dimensions are 45 mm wide, 125 mm high, and 155 mm deep. Fastening uses screw and snap-on mounting, with IP20 front protection.
Frequently Asked Questions
1. What is the rated current of the Siemens 3RW4026-1BB14?
The rated operational current is 25 A at 40 °C, 23 A at 50 °C, and 21 A at 60 °C.
2. What motor rating does the 3RW4026-1BB14 support at 400 V?
Its standard-circuit motor rating is 11 kW at 400 V and 40 °C.
3. What control supply does this soft starter use?
The control supply is AC/DC: 110 … 230 V AC at 50 Hz or 60 Hz, or 110 … 230 V DC.
4. Which terminals and mounting method are included?
The main, auxiliary, and control circuits use screw-type terminals. Mounting uses screws and snap-on fastening.
5. Does the configuration include thermistor motor protection evaluation?
It is without thermistor motor protection evaluation.
