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 |
| Operational current at 40 °C rated value | 162 A |
| At 400 V – at standard circuit at 40 °C rated value | 90 kW |
| Operating voltage at standard circuit rated value | 200 … 460 V |
| Control supply voltage 1 at AC | 230 V |
Key Features
SIRIUS soft starter
Product designation: Soft starter.
Product designation: Soft starter.
Integrated bypass contact system
Integrated bypass contact system: Yes.
Integrated bypass contact system: Yes.
Motor protection functions
Motor overload protection, evaluation of thermistor motor protection, and intrinsic device protection: Yes.
Motor overload protection, evaluation of thermistor motor protection, and intrinsic device protection: Yes.
Inside-delta circuit
Inside-delta circuit: Yes.
Inside-delta circuit: Yes.
230 V AC control supply
Control supply voltage 1 at AC: 230 V at 50 Hz and 230 V at 60 Hz.
Control supply voltage 1 at AC: 230 V at 50 Hz and 230 V at 60 Hz.
Screw terminals
Type of electrical connection for auxiliary and control circuit: screw-type terminals.
Type of electrical connection for auxiliary and control circuit: screw-type terminals.
Applications
Motor soft starting
Soft starting of a motor with adjustable current limitation.
Soft starting of a motor with adjustable current limitation.
Inside-delta motor connection
Motor starting in an inside-delta circuit.
Motor starting in an inside-delta circuit.
Frequently Asked Questions
What is Siemens 3RW4436-6BC44?
It is a SIRIUS soft starter.
What is the rated current of 3RW4436-6BC44 at 40 °C?
162 A.
What control supply voltage does 3RW4436-6BC44 use?
The control supply voltage is 230 V AC at 50 Hz and 60 Hz.
What operating voltage range is specified for 3RW4436-6BC44?
The operating voltage at standard circuit is 200 … 460 V, and the operating voltage at inside-delta circuit is 200 … 460 V.
