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 |
| Inside-delta circuit | Yes |
| Operational current at 40 °C rated value | 551 A |
| Operational current for 3-phase motors at inside-delta circuit at 40 °C rated value | 954 A |
| Operating voltage at standard circuit rated value | 200 … 460 V |
| Control supply voltage 1 at AC at 50 Hz rated value | 230 V |
| Type of electrical connection for auxiliary and control circuit | screw-type terminals |
Applications
Soft starting for a motor using a SIRIUS soft starter.
Operation in an inside-delta circuit for 3-phase motors.
Motor overload protection, thermistor motor protection evaluation, and intrinsic device protection.
Key Features
Product designation: Soft starter. Brand name: SIRIUS.
Operational current at 40 °C rated value: 551 A.
Operational current for 3-phase motors at inside-delta circuit at 40 °C rated value: 954 A.
Control supply voltage: AC 230 V. Type of electrical connection for auxiliary and control circuit: screw-type terminals.
Phased-out product. Product lifecycle: Start of final year of support.
Frequently Asked Questions
What is Siemens 3RW4453-6BC44?
It is a SIRIUS soft starter.
What is the current rating of 3RW4453-6BC44 at 40 °C?
The operational current at 40 °C rated value is 551 A.
What control supply voltage does 3RW4453-6BC44 use?
The control supply voltage is AC 230 V, with 50 Hz and 60 Hz listed.
What connection type is used for the auxiliary and control circuit?
The auxiliary and control circuit uses screw-type terminals.
What is the lifecycle status of 3RW4453-6BC44?
It is a phased-out product with Start of final year of support.
