Product Description
Key Features
- Rated operational current: 162 A at 40 °C; 145 A at 50 °C and 125 A at 60 °C.
- Inside-delta performance: 281 A at 40 °C for 3-phase motors in inside-delta circuit; 160 kW at 400 V and 40 °C.
- Supply and connections: 200 … 460 V AC operating voltage, 230 V AC control supply, busbar connection for the main current circuit, and screw-type terminals for auxiliary and control circuits.
- Integrated functions: Has an integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, external reset, adjustable current limitation, and motor brake output.
- Mechanical installation: 170 mm wide, 200 mm high, and 270 mm deep; screw fixing; vertical mounting surface with +/-90° rotation and +/-22.5° front and back tilt.
- Lifecycle status: Phased-out product; product lifecycle: Start of final year of support.
Technical Summary
| Product designation | Soft starter |
|---|---|
| Rated operational current at 400 V and 40 °C | 162 A |
| Inside-delta operational current at 40 °C | 281 A for 3-phase motors |
| Operating voltage | 200 … 460 V AC |
| Control supply | 230 V AC at 50 Hz and 60 Hz |
| Power at 400 V and 40 °C | 90 kW standard circuit; 160 kW inside-delta circuit |
| Main current connection | Busbar connection |
| Auxiliary and control connection | Screw-type terminals |
| Mounting | Screw fixing; vertical mounting surface +/-90° rotatable and +/-22.5° tiltable to the front and back |
| Front protection | IP00; IP20 with box terminal/cover |
| Lifecycle | Phased-out product; Start of final year of support |
Frequently Asked Questions
What is the exact product designation of Siemens 3RW4436-6BC44?
It is a SIRIUS soft starter.
What operational current does the 3RW4436-6BC44 have?
It has 162 A at 40 °C, 145 A at 50 °C, and 125 A at 60 °C. In inside-delta circuit for 3-phase motors, the values are 281 A, 251 A, and 217 A respectively.
How is the 3RW4436-6BC44 connected and mounted?
The main current circuit uses a busbar connection, while auxiliary and control circuits use screw-type terminals. Mounting uses screw fixing on a vertical mounting surface.
What is the lifecycle status of the 3RW4436-6BC44?
It is a phased-out product with the lifecycle status Start of final year of support.
