Key Features
- Soft starter designation: SIRIUS soft starter.
- Current and power rating: 113 A at 40 °C standard and 55 kW at 400 V.
- Control supply: 230 V AC control supply with 50 Hz and 60 Hz frequency.
- Electrical connection: Busbar connection for the main current circuit and screw-type terminals for the auxiliary and control circuit.
- Lifecycle status: Start of final year of support; successor is SIRIUS 3RW5, preferred successor type is >>3RW5534-6HA14<<.
Technical Summary
| Product designation | Soft starter |
|---|---|
| Product brand name | SIRIUS |
| Integrated bypass contact system | Yes |
| Thyristors | Yes |
| Adjustable current limitation | Yes |
| Motor overload protection | Yes |
| Evaluation of thermistor motor protection | Yes |
| Operational current at 40 °C | 113 A |
| Operational current for 3-phase motors at inside-delta circuit at 40 °C | 196 A |
| Operating voltage at standard circuit rated value | 200 … 460 V |
| Control supply voltage 1 at AC | 230 V |
| Protection class IP on the front according to IEC 60529 | IP00; IP20 with box terminal/cover |
| Product lifecycle | Start of final year of support |
Applications
- Motor starting with adjustable current limitation: For starting a motor with adjustable current limitation and soft-start control.
- Inside-delta motor starting: For inside-delta circuit operation with the supplied inside-delta current and power ratings.
Frequently Asked Questions
What is Siemens 3RW4434-6BC44?
It is a SIRIUS soft starter.
What are the main ratings of 3RW4434-6BC44?
It is rated at 113 A at 40 °C standard and 55 kW at 400 V.
What control supply does 3RW4434-6BC44 use?
The control supply voltage is 230 V AC, with 50 Hz and 60 Hz frequency.
What connection types are used on 3RW4434-6BC44?
The main current circuit uses a busbar connection, and the auxiliary and control circuit uses screw-type terminals.
What lifecycle status is listed for 3RW4434-6BC44?
It is in the start of final year of support, and the preferred successor type is >>3RW5534-6HA14<<
