Product Overview
Technical Summary
| Product designation | Soft starter |
|---|---|
| Product family | SIRIUS S0 |
| Rated operational current at 40 °C | 25 A |
| Operating voltage at standard circuit | 400 … 600 V |
| Motor rating at 500 V and 40 °C | 15 kW |
| Control supply voltage | 110 … 230 V AC/DC |
| Main current circuit connection | Screw-type terminals |
| Size | S0 |
| Mounting | Screw and snap-on mounting |
| Front protection | IP20 |
| Operating ambient temperature | -25 … +60 °C |
| Product lifecycle | Active Product |
Key Features
- Product designation and size: SIRIUS soft starter with S0 size.
- Rated operational current: 25 A at 40 °C; 23 A at 50 °C and 21 A at 60 °C.
- Operating voltage: 400 … 600 V at the standard circuit.
- Control supply: 110 … 230 V AC or DC.
- Connection: Screw-type terminals for the main current, auxiliary, and control circuits.
- Protection and functions: Integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
Frequently Asked Questions
What product does Siemens 3RW4026-1BB15 identify?
It identifies a SIRIUS S0 soft starter.
Which specifications distinguish the 3RW4026-1BB15 variant?
The supplied variant has a 25 A rated operational current at 40 °C, 400 … 600 V operating voltage, 15 kW at 500 V and 40 °C, and 110 … 230 V AC/DC control supply.
What connection does this soft starter have?
It has screw-type terminals for the main current, auxiliary, and control circuits.
What should be checked for a quotation?
Check the complete order number 3RW4026-1BB15, the required quantity, and the destination.
