Key Features
- SIRIUS soft starter: Soft starter with S0 size and 25 A rated current at 40 °C.
- Motor protection functions: Includes intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
- Electrical connection and supply: Screw-type terminals for main current and auxiliary/control circuits, with 110-230 V AC/DC control supply.
Technical Summary
| product designation | Soft starter |
|---|---|
| product brand name | SIRIUS |
| size of engine control device | S0 |
| at 40 °C rated value | 25 A |
| at 400 V | 11 kW |
| operating voltage at standard circuit rated value | 200 … 480 V |
| control supply voltage 1 at AC at 50 Hz | 110 … 230 V |
| control supply voltage 1 at DC | 110 … 230 V |
| type of electrical connection for main current circuit | screw-type terminals |
| fastening method | screw and snap-on mounting |
| protection class IP on the front according to IEC 60529 | IP20 |
Applications
- Motor starting with adjustable current limitation: Supports controlled motor starting with adjustable current limitation.
- Motor overload protection: Provides motor overload protection for the connected motor.
Frequently Asked Questions
What is the exact Siemens model and product type of 3RW4026-1BB14?
3RW4026-1BB14 is a Siemens SIRIUS soft starter.
What current and motor rating does 3RW4026-1BB14 support at 400 V?
The rating is 25 A at 40 °C and 11 kW at 400 V.
What control supply does 3RW4026-1BB14 require?
The control supply is 110 … 230 V AC/DC.
What connection and mounting details are given for 3RW4026-1BB14?
It uses screw-type terminals for the main current circuit and screw and snap-on mounting.
