Key Features
- Soft starter: Product designation: Soft starter.
- Integrated bypass contact system: Integrated bypass contact system: Yes.
- Motor protection functions: Motor overload protection, evaluation of thermistor motor protection, and intrinsic device protection: Yes.
- Current control features: Adjustable current limitation: Yes.
- Inside-delta circuit: Inside-delta circuit: Yes.
- Motor brake output: Product component motor brake output: Yes.
Applications
- Motor starting: Soft starting for motors.
- Inside-delta motor starting: Motor starting in an inside-delta circuit.
- Motor protection and reset handling: Motor overload protection, thermistor motor protection evaluation, and external reset.
Technical Summary
| 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 |
| Operational current at 40 °C | 615 A |
| Power at 400 V, inside-delta circuit, 40 °C | 630 kW |
| Operating voltage | 200 … 460 V |
| Control supply voltage | 230 V AC |
Frequently Asked Questions
What is Siemens 3RW4454-6BC44?
It is a SIRIUS soft starter.
What is the rated operational current at 40 °C for 3RW4454-6BC44?
615 A.
What control supply voltage does 3RW4454-6BC44 use?
230 V AC.
What mounting and connection details are listed for 3RW4454-6BC44?
It uses screw fixing, busbar connection for the main current circuit, and screw-type terminals for the auxiliary and control circuit.
