Technical Summary
| Product designation | Soft starter |
|---|---|
| Series | SIRIUS |
| Product lifecycle | Active Product |
| Size | S0 |
| Rated current at 40 °C | 25 A |
| Rated power at 400 V | 11 kW |
| Operating voltage | 200 … 480 V |
| Control supply voltage | 110 … 230 V |
| Control supply type | AC/DC |
| Main current circuit connection | screw-type terminals |
| Auxiliary and control circuit connection | screw-type terminals |
| Protection class on the front | IP20 |
Key Features
SIRIUS soft starter
Soft starter in the SIRIUS 3RW soft starters family.
Soft starter in the SIRIUS 3RW soft starters family.
S0 size and 25 A
Compact S0 design with 25 A rated value at 40 °C.
Compact S0 design with 25 A rated value at 40 °C.
11 kW at 400 V
Rated at 11 kW/400 V in a standard circuit at 40 °C.
Rated at 11 kW/400 V in a standard circuit at 40 °C.
Control supply 110-230 V AC/DC
Control supply voltage is 110-230 V AC/DC.
Control supply voltage is 110-230 V AC/DC.
Screw terminals
Screw terminals are provided for the main current circuit and the auxiliary and control circuit.
Screw terminals are provided for the main current circuit and the auxiliary and control circuit.
Protection and current limiting
Includes integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
Includes integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
Applications
Soft starting for a motor
Soft starter function for controlled motor starting.
Soft starter function for controlled motor starting.
Motor overload protection
Used to protect a motor against overload.
Used to protect a motor against overload.
Current-limited motor operation
Used where adjustable current limitation is needed during motor starting.
Used where adjustable current limitation is needed during motor starting.
Frequently Asked Questions
What is the exact model of this Siemens SIRIUS soft starter?
The exact model is 3RW4026-1BB14.
What are the rated current and power of 3RW4026-1BB14?
Rated current is 25 A at 40 °C, and rated power is 11 kW at 400 V.
What control supply voltage does 3RW4026-1BB14 use?
The control supply voltage is 110 … 230 V AC/DC.
What connections does 3RW4026-1BB14 use?
It uses screw-type terminals for the main current circuit and for the auxiliary and control circuit.
