Product Overview
Technical Summary
| Product designation | Soft starter |
|---|---|
| Rated operational current at 40 °C | 1 214 A |
| Rated motor power at 400 V, standard circuit | 710 kW |
| Rated motor power at 400 V, inside-delta circuit | 1 200 kW |
| Operating voltage, standard circuit | 200 … 460 V |
| Control supply | 230 V AC at 50 Hz and 60 Hz |
| Main current connection | Busbar connection |
| Auxiliary and control connection | Screw-type terminals |
| Front protection class | IP00 according to IEC 60529 |
| Mounting | Screw fixing; vertical mounting surface +/-90° rotatable and +/-22.5° tiltable to the front and back |
| Lifecycle | Start of final year of support; successor SIRIUS 3RW5, preferred successor type 3RW5558-6HA14 |
Key Features
1 214 A at 40 °C, 1 076 A at 50 °C, and 970 A at 60 °C.
710 kW in standard circuit and 1 200 kW in inside-delta circuit at 40 °C rated value.
Has intrinsic device protection, motor overload protection, thermistor motor protection evaluation, external reset, and adjustable current limitation.
Busbar connection for the main current circuit and screw-type terminals for auxiliary and control circuits.
575 mm wide, 780 mm high, and 292 mm deep; screw fixing; front protection class IP00 according to IEC 60529.
Start of final year of support; successor is SIRIUS 3RW5, with preferred successor type 3RW5558-6HA14.
Frequently Asked Questions
What is Siemens 3RW4466-6BC44?
It is a SIRIUS soft starter with 1 214 A rated operational current at 40 °C in standard circuit.
What motor power is supported at 400 V?
The rated motor power is 710 kW in standard circuit and 1 200 kW in inside-delta circuit at 40 °C.
How is the unit connected and mounted?
The main current circuit uses a busbar connection, auxiliary and control circuits use screw-type terminals, and mounting uses screw fixing.
What are the dimensions and front protection class?
Dimensions are 575 mm wide, 780 mm high, and 292 mm deep. The front protection class is IP00 according to IEC 60529.
What should be included with a project quotation request?
Include the exact line item, requested quantity, destination, schedule context, and any additional BOM lines.
