Product Description
Key Features
- Rated current: 45 A at 40 °C; 42 A at 50 °C and 39 A at 60 °C.
- Motor power: 22 kW at 400 V and 30 kW at 500 V in the standard circuit at 40 °C.
- Supply and frequency: Operating voltage: 400 … 600 V with 50 … 60 Hz rated operating frequency. Control supply: 110 … 230 V AC/DC.
- Protection and control: Has integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
- Installation and connections: S2 size with screw and snap-on mounting, screw-type terminals for main, auxiliary, and control circuits, and IP20 front protection.
- Configuration exclusions: It has no evaluation of thermistor motor protection, inside-delta circuit, or motor brake output.
Technical Summary
| Product designation | Soft starter |
|---|---|
| Product lifecycle | Active Product |
| Rated current at 40 °C | 45 A |
| Motor power at 500 V | 30 kW |
| Operating voltage | 400 … 600 V |
| Operating frequency | 50 … 60 Hz |
| Control supply | 110 … 230 V AC/DC |
| Mounting | Screw and snap-on mounting |
| Electrical connection | Screw-type terminals |
| Size | S2 |
| Front protection | IP20 |
| Ambient temperature during operation | -25 … +60 °C |
Frequently Asked Questions
What exact item should be confirmed for a legacy-part request?
Confirm Siemens 3RW4036-1BB15 and the SIRIUS S2 soft starter designation.
What ratings should be checked for installed-part matching?
Check 45 A at 40 °C, 30 kW at 500 V, and 400 … 600 V operating voltage.
What control supply does this soft starter use?
The control supply is 110 … 230 V AC/DC.
What mounting and terminal configuration should be confirmed?
Confirm screw and snap-on mounting with screw-type terminals for the main, auxiliary, and control circuits.
