Technical Summary
| Product brand name | SIRIUS |
|---|---|
| Product designation | Soft starter |
| Integrated bypass contact system | Yes |
| Thyristors | Yes |
| Motor overload protection | Yes |
| Adjustable current limitation | Yes |
| Inside-delta circuit | Yes |
| Insulation voltage rated value | 690 V |
| Operational current at 40 °C rated value | 970 A |
| Operational current for 3-phase motors at inside-delta circuit at 40 °C rated value | 1 680 A |
| Operating voltage at standard circuit rated value | 200 … 460 V |
| Control supply voltage 1 at AC | 230 V |
Key Features
Product designation: Soft starter.
Start of final year of support.
230 V AC.
Busbar connection for main current circuit and screw-type terminals for auxiliary and control circuit.
Values at 400 V, 40 °C standard: 970 A, 560 kW. Inside-delta: 1680 A, 1000 kW.
Width 510 mm, height 640 mm, depth 290 mm.
Frequently Asked Questions
What is Siemens 3RW4458-6BC44?
It is a SIRIUS soft starter.
What is the control supply voltage for 3RW4458-6BC44?
The control supply voltage is 230 V AC.
What are the main operating voltage and current ratings for 3RW4458-6BC44?
Operating voltage at standard circuit rated value is 200 … 460 V. Operational current at 40 °C rated value is 970 A.
What are the main connection details for 3RW4458-6BC44?
The main current circuit uses busbar connection, and the auxiliary and control circuit uses screw-type terminals.
What is the lifecycle status of Siemens 3RW4458-6BC44?
Its lifecycle status is Start of final year of support.
