Product information
Overview
Key Features
- Motor protection functions: Has intrinsic device protection, motor overload protection, thermistor motor protection evaluation, external reset, and adjustable current limitation.
- Standard-circuit rating: Rated operational current is 47 A at 40 °C; motor power is 22 kW at 400 V in the standard circuit.
- Inside-delta capability: Supports inside-delta circuit operation with 81 A at 40 °C and 45 kW at 400 V; minimum load is 8%.
- Control supply: Uses an AC control supply with 230 V at 50 Hz or 60 Hz, with -15 % to 10 % voltage tolerance.
- Installation and protection: Uses screw fixing and a vertical mounting surface, with IP20 front protection and finger-safe vertical front contact.
Technical Summary
| Product designation | Soft starter |
|---|---|
| Integrated bypass contact system | Yes |
| Rated operational current at 40 °C | 47 A |
| Motor power at 400 V, standard circuit | 22 kW |
| Operational current at 40 °C, inside-delta circuit | 81 A |
| Motor power at 400 V, inside-delta circuit | 45 kW |
| Operating voltage | 200 … 460 V |
| Control supply | 230 V AC at 50 Hz or 60 Hz |
| Protection class on front | IP20 |
| Fastening method | screw fixing |
| Product lifecycle | Start of final year of support |
Frequently Asked Questions
What is the rated current of Siemens 3RW4424-3BC44?
The rated operational current is 47 A at 40 °C in the standard circuit. In the inside-delta circuit, it is 81 A at 40 °C.
What motor power is supported at 400 V?
The motor power is 22 kW at 400 V in the standard circuit and 45 kW at 400 V in the inside-delta circuit.
What control supply does this soft starter use?
The control supply is 230 V AC at 50 Hz or 60 Hz. The voltage tolerance is -15 % to 10 %.
How is the unit mounted and protected?
It uses screw fixing and a vertical mounting surface. The front protection class is IP20, with finger-safe vertical contact from the front.
What should be included in a quotation request?
Please provide the required quantity and destination for model-specific quotation support.
