Key Features
- Soft starter: Product designation: Soft starter.
- S0 size and 32 A rating: Size of engine control device: S0. Operational current at 40 °C rated value: 32 A.
- 15 kW at 400 V: At 400 V, standard circuit rated value: 15 kW at 40 °C.
- 200-480 V AC control supply: Type of voltage of the control supply voltage: AC/DC. Operating voltage at standard circuit rated value: 200 … 480 V.
- Screw terminals: Type of electrical connection for main current circuit: screw-type terminals. Type of electrical connection for auxiliary and control circuit: screw-type terminals.
- Integrated protection and bypass: Integrated bypass contact system: Yes. Intrinsic device protection: Yes. Motor overload protection: Yes.
Technical Summary
| Product designation | Soft starter |
|---|---|
| Size of engine control device | S0 |
| Operational current at 40 °C | 32 A |
| Power at 400 V | 15 kW |
| Operating voltage at standard circuit | 200 … 480 V |
| Control supply voltage | 24 V AC/DC |
| Integrated bypass contact system | Yes |
| Motor overload protection | Yes |
| Adjustable current limitation | Yes |
| Main current circuit connection | screw-type terminals |
| Auxiliary and control circuit connection | screw-type terminals |
| Protection class IP on the front according to IEC 60529 | IP20 |
Applications
- Motor soft starting: For soft starting a motor with adjustable current limitation.
Frequently Asked Questions
What is the exact Siemens model and product type?
The exact model is 3RW4027-1BB04, and the product type is a SIRIUS soft starter.
What are the main electrical ratings of 3RW4027-1BB04?
It is rated at 32 A at 40 °C and 15 kW at 400 V.
What control supply does 3RW4027-1BB04 use?
The control supply voltage is 24 V AC/DC, with an operating voltage range of 200 … 480 V.
What connection type does 3RW4027-1BB04 use?
It uses screw-type terminals for both the main current circuit and the auxiliary and control circuit.
