Product Description
Key Features
- Exact product identity: SIRIUS soft starter, size S0, order number 3RW4026-1BB14.
- Rated current and motor power: Rated current: 25 A at 40 °C. Rated motor power: 11 kW at 400 V in the standard circuit.
- Operating and control supply: Operating voltage: 200 … 480 V. Control supply: 110 … 230 V AC/DC.
- Protection and control functions: Has integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset, and adjustable current limitation. Evaluation of thermistor motor protection: No.
- Connections and mounting: Main, auxiliary, and control circuits use screw-type terminals. Mounting: screw and snap-on mounting. Width: 45 mm; height: 125 mm; depth: 155 mm.
- Protection and lifecycle: Front protection class: IP20. Product lifecycle: Active Product.
Technical Summary
| Product designation | SIRIUS soft starter |
|---|---|
| Rated current at 40 °C | 25 A |
| Rated motor power at 400 V | 11 kW |
| Operating voltage | 200 … 480 V |
| Control supply voltage | 110 … 230 V AC/DC |
| Operating frequency | 50 … 60 Hz |
| Motor overload protection | Yes |
| Integrated bypass contact system | Yes |
| Mounting method | Screw and snap-on mounting |
| Electrical connection | Screw-type terminals |
| Front protection class | IP20 |
| Product lifecycle | Active Product |
Frequently Asked Questions
What exact model is this soft starter?
It is Siemens 3RW4026-1BB14, a SIRIUS S0 soft starter.
What are the rated current and motor power?
The rated current is 25 A at 40 °C, and the rated motor power is 11 kW at 400 V in the standard circuit.
What operating and control voltages does it use?
The operating voltage is 200 … 480 V, and the control supply is 110 … 230 V AC/DC.
How is the unit mounted and connected?
It uses screw and snap-on mounting. Main, auxiliary, and control circuits use screw-type terminals.
