Technical Summary
| Product brand name | SIRIUS |
|---|---|
| Product designation | Soft starter |
| Integrated bypass contact system | Yes |
| Thyristors | Yes |
| Motor overload protection | Yes |
| Evaluation of thermistor motor protection | Yes |
| Adjustable current limitation | Yes |
| Inside-delta circuit | Yes |
| Insulation voltage rated value | 690 V |
| Operational current at 40 °C rated value | 615 A |
| Operating voltage at standard circuit rated value | 200 … 460 V |
| Control supply voltage 1 at AC | 230 V |
| Type of electrical connection for main current circuit | busbar connection |
| Type of electrical connection for auxiliary and control circuit | screw-type terminals |
| Protection class IP on the front according to IEC 60529 | IP00 |
Applications
Used for starting motors with adjustable current limitation.
Used in an inside-delta circuit for 3-phase motors.
Key Features
Product designation: Soft starter, brand name: SIRIUS.
Integrated bypass contact system: Yes; thyristors: Yes.
Motor overload protection: Yes; evaluation of thermistor motor protection: Yes; intrinsic device protection: Yes.
Screw-type terminals for the auxiliary and control circuit, busbar connection for the main current circuit, and 230 V AC control supply.
Phased-out product with Start of final year of support.
Frequently Asked Questions
What is Siemens 3RW4454-6BC44?
It is a SIRIUS soft starter.
What is the rated current of 3RW4454-6BC44 at 40 °C?
The rated value at 40 °C is 615 A.
What control supply voltage does 3RW4454-6BC44 use?
The control supply voltage is AC 230 V.
What connection types are used for 3RW4454-6BC44?
The main current circuit uses busbar connection and the auxiliary and control circuit uses screw-type terminals.
