Key Features
- Soft starter designation: SIRIUS soft starter, product designation: Soft starter.
- Current and power rating: Size S0, rated operational current 32 A at 40 °C, and 15 kW at 400 V.
- Control and supply voltage: Operating voltage 200 … 480 V and control supply voltage 110 … 230 V AC/DC.
- Connection and mounting: Screw-type terminals for main current circuit and auxiliary and control circuit, with screw and snap-on mounting.
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 1 at AC at 50 Hz | 110 … 230 V |
| control supply voltage 1 at DC | 110 … 230 V |
| type of voltage of the control supply voltage | AC/DC |
| type of electrical connection for main current circuit | screw-type terminals |
| type of electrical connection for auxiliary and control circuit | screw-type terminals |
| fastening method | screw and snap-on mounting |
| protection class IP on the front according to IEC 60529 | IP20 |
Applications
- Motor starting and current limiting: For starting a motor with adjustable current limitation.
- Motor overload protection and reset: For motor overload protection with external reset.
Frequently Asked Questions
What is Siemens 3RW4027-1BB14?
It is a SIRIUS soft starter with product designation Soft starter and size S0.
What are the main power ratings of 3RW4027-1BB14?
It has a rated operational current of 32 A at 40 °C and a power rating of 15 kW at 400 V.
What control supply voltage does 3RW4027-1BB14 use?
The control supply voltage is 110 … 230 V AC/DC.
How is the 3RW4027-1BB14 connected and mounted?
It uses screw-type terminals for the main current circuit and for the auxiliary and control circuit, with screw and snap-on mounting.
