Key Features
- Soft starter designation: SIRIUS soft starter, product designation: Soft starter.
- Operating ratings: 25 A at 40 °C, 15 kW at 500 V, and 400-600 V AC operating voltage.
- Control supply: 110-230 V AC/DC control supply with 50 Hz and 60 Hz operation.
- Protection and start control: Integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
- Mechanical and connection data: S0 size with screw and snap-on mounting, 45 mm width, 125 mm height, 155 mm depth, and screw-type terminals for main and auxiliary/control circuits.
Technical Summary
| product designation | Soft starter |
|---|---|
| product brand name | SIRIUS |
| size of engine control device | S0 |
| operational current at 40 °C rated value | 25 A |
| at 500 V – at standard circuit at 40 °C rated value | 15 kW |
| at 500 V operating voltage at standard circuit rated value | 400 … 600 V |
| type of voltage of the control supply voltage | AC/DC |
| control supply voltage 1 at AC at 50 Hz | 110 … 230 V |
| control supply voltage 1 at AC at 60 Hz | 110 … 230 V |
| fastening method | screw and snap-on mounting |
| type of electrical connection for main current circuit | screw-type terminals |
| protection class IP on the front according to IEC 60529 | IP20 |
Applications
- Motor soft starting: Soft starting of a motor with adjustable current limitation.
- Motor protection control: Motor overload protection with intrinsic device protection and external reset.
Frequently Asked Questions
What is the exact Siemens model and product type of 3RW4026-1BB15?
3RW4026-1BB15 is a Siemens SIRIUS soft starter.
What are the main electrical ratings of Siemens 3RW4026-1BB15?
It is rated at 25 A at 40 °C and 15 kW at 500 V, with a 400-600 V AC operating voltage.
What control supply does Siemens 3RW4026-1BB15 use?
The control supply is 110-230 V AC/DC, with 50 Hz and 60 Hz operation.
How is Siemens 3RW4026-1BB15 connected and mounted?
It uses screw-type terminals for the main, auxiliary, and control circuits, and screw and snap-on mounting.
