Key Features
- SIRIUS soft starter: Product designation: Soft starter
- Integrated bypass contact system: Yes
- Thyristors: Yes
- Motor overload protection: Yes
- Adjustable current limitation: Yes
- Screw-type terminals: For auxiliary and control circuit
Applications
- Inside-delta motor connection: For operation in an inside-delta circuit
- Motor protection: For motor overload protection and evaluation of thermistor motor protection
Technical Summary
| Product designation | Soft starter |
|---|---|
| Integrated bypass contact system | Yes |
| Thyristors | Yes |
| Motor overload protection | Yes |
| Adjustable current limitation | Yes |
| Inside-delta circuit | Yes |
| Operational current at 40 °C | 203 A |
| At 400 V – standard circuit at 40 °C | 110 kW |
| At 400 V – inside-delta circuit at 40 °C | 200 kW |
| Operating voltage at standard circuit | 200 … 460 V |
| Control supply voltage 1 at AC | 230 V |
| Type of electrical connection for auxiliary and control circuit | screw-type terminals |
Frequently Asked Questions
What is Siemens 3RW4443-6BC44?
It is a SIRIUS soft starter.
What is the control supply voltage for 3RW4443-6BC44?
The control supply voltage 1 at AC is 230 V.
What are the main voltage and power ratings for 3RW4443-6BC44?
The operating voltage at standard circuit is 200 … 460 V, with 110 kW at 400 V in standard circuit and 200 kW at 400 V in inside-delta circuit.
What connection type does 3RW4443-6BC44 use for the auxiliary and control circuit?
It uses screw-type terminals.
