Product Description
Key Features
- Rated current and motor power: At 400 V and 40 °C, the rated current is 36 A and the motor power is 18.5 kW in the standard circuit; inside-delta values are 62 A and 30 kW.
- Soft starter functions: Has an integrated bypass contact system, thyristors, intrinsic device protection, motor overload protection, thermistor motor protection evaluation, external reset, and adjustable current limitation.
- Control supply and connections: Control supply: 230 V AC at 50 Hz or 60 Hz. The main current circuit uses box terminals; auxiliary and control circuits use spring-loaded terminals.
- Installation and protection: Dimensions: 170 mm width, 192 mm height, and 270 mm depth. Fastening: screw fixing. Front protection class: IP20.
- Lifecycle data: Product lifecycle: Start of final year of support.
Technical Summary
| Product designation | Soft starter |
|---|---|
| Rated current at 400 V and 40 °C, standard circuit | 36 A |
| Motor power at 400 V and 40 °C, standard circuit | 18.5 kW |
| Rated current at 400 V and 40 °C, inside-delta circuit | 62 A |
| Motor power at 400 V and 40 °C, inside-delta circuit | 30 kW |
| Operating voltage, standard and inside-delta circuit | 200 … 460 V |
| Control supply | 230 V AC at 50 Hz or 60 Hz |
| Main current circuit connection | Box terminal |
| Auxiliary and control circuit connection | Spring-loaded terminals |
| Front protection class | IP20 |
| Product lifecycle | Start of final year of support |
Frequently Asked Questions
What rated current and motor power does Siemens 3RW4423-3BC44 have?
At 400 V and 40 °C in the standard circuit, it has a rated current of 36 A and motor power of 18.5 kW. The inside-delta values are 62 A and 30 kW.
What control supply and terminals does this soft starter use?
The control supply is 230 V AC at 50 Hz or 60 Hz. The main current circuit uses box terminals, while auxiliary and control circuits use spring-loaded terminals.
How is the Siemens 3RW4423-3BC44 mounted?
It uses screw fixing. Its dimensions are 170 mm width, 192 mm height, and 270 mm depth; the mounting position requires a vertical mounting surface.
What lifecycle information should be confirmed for this exact model?
The product lifecycle is Start of final year of support. Confirm the exact nameplate, requested quantity, destination, and condition preference for the part request.
