Key Features
- Soft starter: SIRIUS soft starter for motor starting and control.
- 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.
- Electrical ratings: At 400 V and 40 °C standard: 134 A, 75 kW. Inside-delta: 232 A, 132 kW.
- Control supply: Control supply voltage: AC 230 V at 50 Hz and 60 Hz.
- Connections and mounting: Busbar connection for the main current circuit, screw-type terminals for the auxiliary and control circuit, and screw fixing.
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 |
| Insulation voltage rated value | 690 V |
| Operational current at 40 °C rated value | 134 A |
| Operational current for 3-phase motors at inside-delta circuit at 40 °C rated value | 232 A |
| Operating voltage at standard circuit rated value | 200 … 460 V |
| Control supply voltage 1 at AC | 230 V |
Applications
- Motor starting with standard circuit: Soft starting for a motor in the standard circuit with 200 … 460 V operating voltage.
- Motor starting with inside-delta circuit: Soft starting for a motor in the inside-delta circuit with 200 … 460 V operating voltage.
- Motor overload protection: Protection function for motor overload monitoring and response.
Frequently Asked Questions
What is Siemens 3RW4435-6BC44?
It is a SIRIUS soft starter.
What are the main current ratings for 3RW4435-6BC44?
At 400 V and 40 °C standard: 134 A, 75 kW. Inside-delta: 232 A, 132 kW.
What control supply voltage does 3RW4435-6BC44 use?
The control supply voltage is AC 230 V at 50 Hz and 60 Hz.
What connection type is used on 3RW4435-6BC44?
The main current circuit uses busbar connection, and the auxiliary and control circuit uses screw-type terminals.
What should be confirmed before ordering 3RW4435-6BC44?
Confirm stock and dispatch conditions, requested quantity, and destination before ordering.
