Technical Summary
| Product brand name | SIRIUS |
|---|---|
| Product designation | Soft starter |
| Size of engine control device | S0 |
| Operational current at 40 °C | 32 A |
| At 400 V, power at standard circuit at 40 °C | 15 kW |
| Operating voltage at standard circuit | 200 … 480 V |
| Control supply voltage | 24 V 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 |
| Protection class IP on the front according to IEC 60529 | IP20 |
Key Features
Soft starter for the SIRIUS series.
Size of engine control device: S0. Operational current at 40 °C rated value: 32 A.
At 400 V, standard circuit rated value: 15 kW.
Control supply voltage: 200-480 V AC.
Screw-type terminals for the main current circuit and the auxiliary and control circuit.
Integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset, and adjustable current limitation.
Applications
Soft starting for a motor with adjustable current limitation.
Frequently Asked Questions
What is Siemens 3RW4027-1BB04?
A SIRIUS soft starter in size S0.
What is the rated current of 3RW4027-1BB04?
32 A at 40 °C.
What is the power rating of 3RW4027-1BB04 at 400 V?
15 kW at 400 V in the standard circuit at 40 °C.
What control supply voltage does 3RW4027-1BB04 use?
24 V AC/DC.
How is 3RW4027-1BB04 connected?
Screw-type terminals are used for the main current circuit and for the auxiliary and control circuit.
