Product Overview
Technical Summary
| Product designation | SIRIUS soft starter |
|---|---|
| Size | S3 |
| Rated current at 40 °C | 106 A |
| Motor power at 400 V | 55 kW |
| Operating voltage | 200 … 480 V |
| Control supply | 110 … 230 V AC/DC |
| Main circuit connection | Screw-type terminals |
| Mounting | Screw and snap-on mounting |
| Front protection | IP20 |
| Product lifecycle | Active Product |
Key Features
- Product designation: SIRIUS soft starter, size S3.
- Rated current: 106 A at 40 °C; 98 A at 50 °C and 90 A at 60 °C.
- Motor power: 55 kW at 400 V in the standard circuit at 40 °C rated value.
- Operating voltage: 200 … 480 V at the standard circuit rated value, with -15 % relative negative tolerance and 10 % relative positive tolerance.
- Control supply: AC/DC; 110 … 230 V at AC and 110 … 230 V at DC.
- Connection and mounting: Screw-type terminals for the main, auxiliary, and control circuits; screw and snap-on mounting.
Frequently Asked Questions
Which specifications distinguish Siemens 3RW4047-1BB14?
The supplied variant is a SIRIUS S3 soft starter with 106 A at 40 °C, 55 kW at 400 V, 200 … 480 V operating voltage, and 110 … 230 V AC/DC control supply.
What functions are included in 3RW4047-1BB14?
It has an integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
What connection details should be checked for this code?
Check the screw-type terminals for the main, auxiliary, and control circuits, plus 2 NO and 1 CO auxiliary contacts.
What mounting details should be verified?
The device uses screw and snap-on mounting, has size S3, and measures 70 mm wide, 170 mm high, and 190 mm deep.
What information is needed for a quotation?
Provide the complete order number 3RW4047-1BB14, the required quantity, and the destination.
