Technical Summary
| Product designation | Soft starter |
|---|---|
| Product brand name | SIRIUS |
| Integrated bypass contact system | Yes |
| Thyristors | Yes |
| Motor overload protection | Yes |
| Adjustable current limitation | Yes |
| Inside-delta circuit | Yes |
| Operational current at 40 °C | 134 A |
| Operational current for 3-phase motors at inside-delta circuit at 40 °C | 232 A |
| Operating voltage at standard circuit | 200 … 460 V |
| Control supply voltage 1 at AC | 230 V |
| Type of electrical connection for main current circuit | busbar connection |
Applications
Soft starting for a motor in the standard circuit.
Soft starting for a three-phase motor in the inside-delta circuit.
Key Features
Product designation: Soft starter.
Product lifecycle: Start of final year of support.
Standard circuit: 134 A, 75 kW.
Inside-delta: 232 A, 132 kW.
200-460 V AC, 230 V AC, screw terminals.
Frequently Asked Questions
What is Siemens 3RW4435-6BC44?
It is a SIRIUS soft starter.
What are the main current ratings for 3RW4435-6BC44?
At 400 V, 40 °C standard it is 134 A and 75 kW. Inside-delta it is 232 A and 132 kW.
What control supply and connection details does 3RW4435-6BC44 use?
It uses 230 V AC control supply and screw terminals for the auxiliary and control circuit, with busbar connection for the main current circuit.
What is the lifecycle status of 3RW4435-6BC44?
It is a phased-out product with start of final year of support.
