Product information
Overview
Key Features
- Rated operational current: 32 A at 40 °C, 29 A at 50 °C, and 26 A at 60 °C.
- Motor power rating: 15 kW at 400 V and 18.5 kW at 500 V in standard circuit at 40 °C.
- Operating voltage: 400 … 600 V at standard circuit, with -15 % relative negative tolerance and 10 % relative positive tolerance.
- Control supply: 24 V AC/DC, with 50 Hz and 60 Hz control supply voltage frequency and ±20 % AC/DC voltage tolerance as supplied.
- Protection and control functions: Has intrinsic device protection, motor overload protection, external reset, and adjustable current limitation. Evaluation of thermistor motor protection is No.
- Mechanical configuration: S0 size, 45 mm width, 125 mm height, 155 mm depth, screw and snap-on mounting, and IP20 protection on the front according to IEC 60529.
Technical Summary
| Product designation | Soft starter |
|---|---|
| Rated operational current | 32 A at 40 °C |
| Motor power at 500 V | 18.5 kW at 40 °C in standard circuit |
| Operating voltage | 400 … 600 V at standard circuit |
| Control supply voltage | 24 V AC/DC |
| Control supply frequency | 50 Hz and 60 Hz |
| Size | S0 |
| Electrical connection | Screw-type terminals for main, auxiliary, and control circuits |
| Mounting | Screw and snap-on mounting |
| Front protection | IP20 according to IEC 60529 |
| Installation altitude | 5 000 m above sea level |
| Product lifecycle | Active Product |
Frequently Asked Questions
What is the rated operational current of the Siemens 3RW4027-1BB05?
It has a rated operational current of 32 A at 40 °C, 29 A at 50 °C, and 26 A at 60 °C.
What control supply does the 3RW4027-1BB05 use?
The control supply is 24 V AC/DC. The control supply voltage frequency is 50 Hz or 60 Hz.
How is the soft starter mounted and connected?
It uses screw and snap-on mounting. The main, auxiliary, and control circuits use screw-type terminals.
What is included in the 3RW4027-1BB05 configuration?
The configuration has an integrated bypass contact system and thyristors. It is without inside-delta circuit and without a motor brake output.
