Product Overview
Technical Summary
| Product designation | Soft starter |
|---|---|
| Size | S2 |
| Rated current at 40 °C | 45 A |
| Rated motor power at 400 V | 22 kW |
| Rated operating voltage | 200 … 480 V |
| Control supply | 24 V AC/DC |
| Mounting | Screw and snap-on mounting |
| Front protection class | IP20 |
Key Features
- SIRIUS soft starter: Product designation: Soft starter; product brand name: SIRIUS; size of engine control device: S2.
- Rated current and motor power: Rated current is 45 A at 40 °C; rated motor power is 22 kW at 400 V and 11 kW at 230 V in the standard circuit at 40 °C.
- Operating voltage: Rated operating voltage is 200 … 480 V in the standard circuit at 400 V.
- Control supply: Control supply is AC/DC, with a rated control supply voltage of 24 V AC and 24 V DC.
- Integrated functions: The device has an integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
- Installation and connections: Fastening uses screw and snap-on mounting. Main, auxiliary, and control circuits use screw-type terminals; the front protection class is IP20.
Frequently Asked Questions
What does Siemens 3RW4036-1BB04 identify?
It identifies a SIRIUS S2 soft starter.
Which specifications distinguish this 3RW4036-1BB04 variant?
The listed variant has 45 A rated current at 40 °C, 22 kW at 400 V, 200 … 480 V operating voltage, 24 V AC/DC control supply, and screw-type terminals.
What mounting and connection details should be checked?
Check the screw and snap-on mounting, screw-type terminals for the main, auxiliary, and control circuits, and IP20 front protection.
