Product information
Overview
Key Features
- Rated current and motor power: Rated current is 32 A at 40 °C; standard-circuit motor power is 18.5 kW at 500 V and 15 kW at 400 V.
- Voltage and control supply: Standard-circuit operating voltage is 400 … 600 V. The control supply is 110 … 230 V AC/DC.
- Protection and control functions: The soft starter has intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
- Integrated bypass and thyristors: An integrated bypass contact system and thyristors are included. Inside-delta circuit and motor brake output are not included.
- Connection and mounting: Main, auxiliary, and control circuits use screw-type terminals. Mounting is by screw and snap-on mounting; the device size is S0.
- Front protection and dimensions: Front protection is IP20 with finger-safe protection for vertical contact from the front. Dimensions are 45 mm wide, 125 mm high, and 155 mm deep.
Technical Summary
| Product type | SIRIUS soft starter |
|---|---|
| Order number | 3RW4027-1BB15 |
| Rated current at 40 °C | 32 A |
| Motor power at 500 V | 18.5 kW |
| Operating voltage at standard circuit | 400 … 600 V |
| Control supply | 110 … 230 V AC/DC |
| Operating frequency | 50 … 60 Hz |
| Mounting | Screw and snap-on mounting |
| Connection | Screw-type terminals |
| Front protection | IP20 |
| Operating temperature | -25 … +60 °C |
Frequently Asked Questions
What is the rated current of Siemens 3RW4027-1BB15?
The rated current is 32 A at 40 °C, 29 A at 50 °C, and 26 A at 60 °C.
What motor power is supported at 500 V?
The standard-circuit motor power is 18.5 kW at 500 V and 40 °C.
How is 3RW4027-1BB15 mounted and connected?
It uses screw and snap-on mounting. The main, auxiliary, and control circuits use screw-type terminals.
Does the configuration include an inside-delta circuit or motor brake output?
It is without an inside-delta circuit and without a motor brake output.
What details should I include when requesting a quotation?
Provide the required quantity and destination for a model-specific quotation.
