Product Description
Key Features
- Soft starter identity: SIRIUS soft starter with integrated bypass contact system and thyristors.
- Rated operational current: 1 076 A at 40 °C; 970 A at 50 °C and 880 A at 60 °C.
- Inside-delta performance: 1 864 A at 40 °C, 1 680 A at 50 °C, and 1 524 A at 60 °C for 3-phase motors in inside-delta circuit.
- Motor protection functions: Has intrinsic device protection, motor overload protection, thermistor motor protection evaluation, external reset, and adjustable current limitation.
- Electrical connections: Main current circuit uses busbar connection; auxiliary and control circuits use screw-type terminals.
- Lifecycle status: Product is phased out and at the start of the final year of support.
Technical Summary
| Product designation | Soft starter |
|---|---|
| Rated operational current at 40 °C | 1 076 A |
| Operational current in inside-delta circuit at 40 °C | 1 864 A |
| Operating voltage | 200 … 460 V |
| Control supply voltage | 230 V AC at 50 Hz and 60 Hz |
| Power at 400 V in standard circuit | 630 kW |
| Power at 400 V in inside-delta circuit | 1 100 kW |
| Main current connection | Busbar connection |
| Auxiliary and control connection | Screw-type terminals |
| Mounting | Screw fixing |
| Front protection class | IP00 |
| Product lifecycle | Start of final year of support |
Frequently Asked Questions
What ratings should be checked for the Siemens 3RW4465-6BC44?
Check 1 076 A at 40 °C for standard operation, 1 864 A at 40 °C in inside-delta circuit, and 630 kW at 400 V in standard circuit.
What electrical connections does the 3RW4465-6BC44 use?
The main current circuit uses a busbar connection. Auxiliary and control circuits use screw-type terminals.
What control supply is required?
The control supply is 230 V AC at 50 Hz or 60 Hz.
How is this soft starter mounted?
It uses screw fixing and requires a vertical mounting surface; the mounting position is rotatable +/-90° and tiltable +/-22.5° to the front and back.
What lifecycle detail should be confirmed for this model?
The product is phased out and is at the start of the final year of support. Confirm the required lifecycle status for the request.
