Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product designation | Soft starter |
| Rated operational current at 40 °C | 1 214 A |
| Inside-delta current at 40 °C | 2 103 A for 3-phase motors |
| Operating voltage | 200 … 460 V in standard circuit; 200 … 460 V in inside-delta circuit |
| Operating frequency | 50 … 60 Hz, with -10 % relative negative tolerance and 10 % relative positive tolerance |
| Control supply | 230 V AC at 50 Hz and 60 Hz |
| Motor overload protection adjustable current | 242 A minimum rated value |
| Main current connection | Busbar connection |
| Auxiliary and control connection | Screw-type terminals |
| Fastening method | Screw fixing |
| Front protection class | IP00 according to IEC 60529 |
Key Features
- Rated operational current: 1 214 A at 40 °C, 1 076 A at 50 °C, and 970 A at 60 °C.
- Inside-delta circuit current: 2 103 A at 40 °C, 1 864 A at 50 °C, and 1 680 A at 60 °C for 3-phase motors.
- Operating voltage: 200 … 460 V rated value in both standard circuit and inside-delta circuit.
- Protection and control functions: Has an integrated bypass contact system, intrinsic device protection, motor overload protection, thermistor motor protection evaluation, external reset, and adjustable current limitation.
- Connections: Main current circuit uses busbar connection; auxiliary and control circuits use screw-type terminals.
- Mounting and dimensions: Screw fixing; 575 mm wide, 780 mm high, and 292 mm deep. Front protection class is IP00 according to IEC 60529.
Frequently Asked Questions
1. What type of product is Siemens 3RW4466-6BC44?
It is a SIRIUS soft starter with an integrated bypass contact system, intrinsic device protection, motor overload protection, and adjustable current limitation.
2. What current does the 3RW4466-6BC44 support?
The rated operational current is 1 214 A at 40 °C in standard circuit operation. For 3-phase motors in inside-delta circuit, the rated current is 2 103 A at 40 °C.
3. What operating voltage and control supply does it use?
The rated operating voltage is 200 … 460 V in standard circuit and inside-delta circuit. The control supply is 230 V AC at 50 Hz or 60 Hz.
4. How is the soft starter connected and mounted?
The main current circuit uses a busbar connection, while auxiliary and control circuits use screw-type terminals. Mounting is by screw fixing.
