Product Description
Key Features
- Exact product identity: Siemens SIRIUS soft starter, order number 3RW4027-1BB15, size S0.
- Rated current and motor power: Rated operational current: 32 A at 40 °C. Standard circuit motor power: 15 kW at 400 V and 18.5 kW at 500 V.
- Operating and control supply: Operating voltage: 400 … 600 V at 500 V rated value. Control supply: 110 … 230 V AC/DC.
- Integrated functions: Has an integrated bypass contact system, thyristors, motor overload protection, external reset, and adjustable current limitation.
- Connections and mounting: Screw-type terminals are provided for the main current circuit and auxiliary and control circuit. Fastening: screw and snap-on mounting.
- Protection and lifecycle: Front protection class: IP20 according to IEC 60529. Lifecycle: Active Product.
Technical Summary
| Rated operational current at 40 °C | 32 A |
|---|---|
| Motor power at 500 V, standard circuit, 40 °C | 18.5 kW |
| Operating voltage at 500 V, standard circuit | 400 … 600 V |
| Control supply voltage | 110 … 230 V AC/DC |
| Operating frequency | 50 … 60 Hz |
| Size | S0 |
| Electrical connection | Screw-type terminals |
| Fastening method | Screw and snap-on mounting |
| Front protection class | IP20 according to IEC 60529 |
| Operating ambient temperature | -25 … +60 °C |
| Integrated bypass contact system | Yes |
| Product lifecycle | Active Product |
Frequently Asked Questions
What exact Siemens model should be confirmed for this soft starter?
Confirm order number 3RW4027-1BB15, Siemens SIRIUS product designation Soft starter, and size S0.
What ratings should be checked against the installed part?
Check 32 A rated operational current at 40 °C, 18.5 kW at 500 V in a standard circuit, and 400 … 600 V operating voltage.
What control supply and terminals does it use?
The control supply is 110 … 230 V AC/DC, with screw-type terminals for the main current circuit and auxiliary and control circuit.
What mounting and protection details should be verified?
Verify screw and snap-on mounting and front protection class IP20 according to IEC 60529.
