Key Features
- Soft starter: SIRIUS soft starter with product designation Soft starter and size S0.
- Motor protection functions: Motor overload protection and intrinsic device protection are included.
- Electrical and connection data: 32 A at 40 °C, 18.5 kW at 500 V, 400-600 V AC operating voltage, and screw terminals.
Technical Summary
| Product designation | Soft starter |
|---|---|
| Product brand name | SIRIUS |
| Size | S0 |
| Rated current at 40 °C | 32 A |
| Power at 500 V | 18.5 kW |
| Operating voltage at standard circuit | 400 … 600 V |
| Control supply voltage | 110 … 230 V AC/DC |
| Type of electrical connection for main current circuit | screw-type terminals |
| Fastening method | screw and snap-on mounting |
| Protection class IP on the front according to IEC 60529 | IP20 |
| Ambient temperature during operation | -25 … +60 °C |
Applications
- Motor starting with adjustable current limitation: For starting a motor with adjustable current limitation.
- Motor overload protection: For protecting a motor against overload.
- External reset function: For a reset function using an external reset.
Frequently Asked Questions
What is Siemens 3RW4027-1BB15?
It is a SIRIUS soft starter in size S0.
What are the main electrical ratings of 3RW4027-1BB15?
It is rated at 32 A at 40 °C and 18.5 kW at 500 V.
What control supply does 3RW4027-1BB15 use?
The control supply voltage is 110 … 230 V AC/DC.
What connection and mounting details are listed for 3RW4027-1BB15?
The main current circuit uses screw-type terminals, and the fastening method is screw and snap-on mounting.
