Product information
Overview
Key Features
- Rated current at 40 °C: 615 A in a standard circuit and 1 065 A for 3-phase motors in an inside-delta circuit.
- Motor power at 400 V: 355 kW in a standard circuit and 630 kW in an inside-delta circuit, both at 40 °C rated value.
- Motor protection functions: Has intrinsic device protection, motor overload protection, thermistor motor protection evaluation, external reset, and adjustable current limitation.
- Control supply: AC control supply with 230 V at 50 Hz and 60 Hz.
- Electrical connections: Busbar connection for the main current circuit and screw-type terminals for auxiliary and control circuits.
- Mechanical installation: 510 mm wide, 640 mm high, and 290 mm deep; screw fixing with vertical mounting surface.
Technical Summary
| Product type | Soft starter |
|---|---|
| Rated current at 40 °C, standard circuit | 615 A |
| Rated current at 40 °C, inside-delta circuit | 1 065 A |
| Motor power at 400 V, standard circuit | 355 kW |
| Motor power at 400 V, inside-delta circuit | 630 kW |
| Operating voltage | 200 … 460 V |
| Control supply | AC, 230 V at 50 Hz and 60 Hz |
| Main current connection | Busbar connection |
| Auxiliary and control connection | Screw-type terminals |
| Mounting | Screw fixing; vertical mounting surface +/-90° rotatable and +/- 22.5° tiltable |
| Front protection class | IP00 |
Frequently Asked Questions
What is the rated current of the Siemens 3RW4454-6BC44?
It has a rated current of 615 A at 40 °C in a standard circuit and 1 065 A at 40 °C in an inside-delta circuit.
What motor power is supported at 400 V?
The rated motor power is 355 kW in a standard circuit and 630 kW in an inside-delta circuit, both at 40 °C.
How is the soft starter connected and mounted?
The main current circuit uses a busbar connection. Auxiliary and control circuits use screw-type terminals, and mounting uses screw fixing on a vertical mounting surface.
