Product information
Overview
Key Features
- Rated operational current: 203 A at 40 °C, 180 A at 50 °C, and 156 A at 60 °C.
- Inside-delta current: 352 A at 40 °C, 312 A at 50 °C, and 270 A at 60 °C for 3-phase motors in inside-delta circuit.
- Motor power ratings: At 400 V and 40 °C: 110 kW in standard circuit and 200 kW in inside-delta circuit.
- Protection and control 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.
- Mounting and protection: Screw fixing, vertical mounting surface with +/-90° rotation and +/-22.5° front-to-back tilt; front protection is IP00 or IP20 with box terminal/cover.
Technical Summary
| Product type | Soft starter |
|---|---|
| Rated operational current at 40 °C | 203 A |
| Inside-delta operational current at 40 °C | 352 A |
| Operating voltage | 200 … 460 V |
| Rated power at 400 V, standard circuit | 110 kW |
| Rated power at 400 V, inside-delta circuit | 200 kW |
| Control supply | 230 V AC at 50 Hz or 60 Hz |
| Main connection | Busbar connection |
| Auxiliary and control connection | Screw-type terminals |
| Mounting | Screw fixing; vertical mounting surface +/-90° rotatable and +/-22.5° tiltable |
| Lifecycle | Start of final year of support |
Frequently Asked Questions
What is the rated current of the 3RW4443-6BC44?
It has a rated operational current of 203 A at 40 °C in standard circuit operation. In inside-delta circuit operation for 3-phase motors, the rated current is 352 A at 40 °C.
What motor power is supported at 400 V?
At 400 V and 40 °C, the values are 110 kW in standard circuit and 200 kW in inside-delta circuit.
What connections does this soft starter use?
The main current circuit uses a busbar connection. Auxiliary and control circuits use screw-type terminals.
What mounting and front protection details apply?
It uses screw fixing and a vertical mounting surface that is +/-90° rotatable and +/-22.5° tiltable to the front and back. Front protection is IP00, or IP20 with box terminal/cover.
