Product Overview
Technical Summary
| Product designation | Soft starter |
|---|---|
| Rated current at 40 °C | 25 A |
| Motor rating at 400 V and 40 °C | 11 kW |
| Operating voltage | 200 … 480 V |
| Control supply | 110 … 230 V AC/DC |
| Operating frequency | 50 … 60 Hz |
| Size | S0 |
| Mounting | Screw and snap-on mounting |
| Front protection | IP20 |
| Main circuit connection | Screw-type terminals |
| Lifecycle | Active Product |
Key Features
Rated current is 25 A at 40 °C; the standard-circuit motor rating is 11 kW at 400 V and 5.5 kW at 230 V, both at 40 °C.
Operating voltage is 200 … 480 V with a 50 … 60 Hz rated operating frequency. The AC/DC control supply is 110 … 230 V.
The device has an integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
Main, auxiliary, and control circuits use screw-type terminals. Auxiliary contacts include 0 NC contacts, 2 NO contacts, and 1 CO contact.
Size is S0; dimensions are 45 mm wide, 125 mm high, and 155 mm deep. Fastening uses screw and snap-on mounting.
Front protection class is IP20. During operation, ambient temperature is -25 … +60 °C; storage temperature is -40 … +80 °C.
Frequently Asked Questions
What is the exact product designation?
The exact product is Siemens 3RW4026-1BB14, a SIRIUS soft starter, size S0.
What rated current and motor rating does it have?
It has a 25 A rated current at 40 °C and an 11 kW standard-circuit motor rating at 400 V and 40 °C.
What supply values are supported?
The operating voltage is 200 … 480 V at 50 … 60 Hz. The control supply is 110 … 230 V AC/DC.
How is this soft starter mounted and connected?
It uses screw and snap-on mounting, with screw-type terminals for the main, auxiliary, and control circuits.
What should be provided for a project quotation?
Provide the requested quantity, destination, schedule context, and any additional BOM line items for quotation review.
