The Siemens 3RW5224-1TC05 is a SIRIUS 3RW52 General Performance soft starter with a rated operational current of 47 A at 40°C. It is designed for smooth starting and stopping of three-phase asynchronous motors up to 22 kW at 400 V in standard circuit (45 kW in inside-delta circuit). The device features three-phase control, an integrated bypass for energy savings, electronic motor overload protection, and a thermistor motor protection input.
Item No :
3RW5224-1TC05Order(MOQ) :
1 PiecePayment :
EXWProduct Origin :
CzechShipping Port :
WuhanLead Time :
3~5 daysWeight :
5kg| Specification | Description |
|---|---|
| Manufacturer | Siemens |
| Model | 3RW5224-1TC05 |
| Product Family | SIRIUS 3RW52 General Performance |
| Product Type | Soft Starter |
| Rated Operational Current (Ie) | 47 A at 40°C |
| Rated Operational Voltage (Ue) | 200–600 V AC |
| Rated Power (Standard Circuit, 400V) | 22 kW |
| Rated Power (Inside-Delta, 400V) | 45 kW |
| Control Supply Voltage | 24 V AC/DC (±20%) |
| Number of Controlled Phases | 3 |
| Integrated Bypass | Yes |
| Motor Overload Protection | Integrated electronic |
| Thermistor Motor Protection | Yes (TC suffix) |
| Terminal Type | Screw terminals |
| Digital Inputs | 1 |
| Digital Outputs | 3 (2 NO, 1 CO) |
| Power Loss (40°C, After Startup) | 26 W |
| Protection Class | IP00 |
| Dimensions (H x W x D) | 306 x 185 x 203 mm |
| Weight | Approx. 5.2 kg |
| Country of Origin | Czech Republic |
| Lifecycle Status | Active (PM300) |
| Model | Description | Typical Application |
|---|---|---|
| 3RW5224-1TC05 (this model) | 3RW52, 47A, 24V AC/DC, screw terminals, thermistor | Standard motor starting with thermistor protection |
| 3RW5224-1AC05 | Same rating, 110–250V AC control voltage | Applications with AC control voltage |
| 3RW5224-1TB05 | Same rating, spring-type terminals instead of screw | Faster wiring and vibration-prone installations |
| 3RW5224-1TB15 | Same rating, spring terminals, thermistor input | Spring terminal + thermistor protection |
| 3RW5223-1TC05 | 3RW52, 38A, 18.5kW @ 400V | Smaller motor applications |
| 3RW5225-1TC05 | 3RW52, 63A, 30kW @ 400V | Larger motor applications |
| 3RW5980-0HF00 | High-Feature HMI Module | Optional local display and parameterization |
| 3RW5980-0CS00 | PROFINET Communication Module | Network integration |
Q1: What is the primary function of the 3RW5224-1TC05?
It is a General Performance soft starter for smooth starting and stopping of three-phase asynchronous motors. It reduces starting current peaks, prevents supply voltage fluctuations, and minimizes mechanical stress on driven equipment. Its integrated bypass ensures energy savings and low heat dissipation in the control cabinet.
Q2: What is the difference between standard and inside-delta connection?
In standard (inline) connection, the soft starter carries the full motor current, providing 22 kW at 400 V for this model. In inside-delta connection, the soft starter carries only 58% of the motor phase current, enabling it to control a larger motor — up to 45 kW at 400 V for the same 47 A device.
Q3: What communication options are available?
The 3RW52 series supports optional plug-in communication modules for PROFINET, PROFIBUS, Modbus TCP, Modbus RTU, and EtherNet/IP. Without a communication module, the device can be parameterized via potentiometers. Various HMI modules are also available for installation in the device or control cabinet door.
Q4: Does this soft starter include motor overload protection?
Yes. The 3RW5224-1TC05 includes integrated electronic motor overload protection without additional wiring. Intelligent monitoring functions protect the soft starter against overheating and the motor against overload.
Q5: What is the "Soft Torque" function?
The Soft Torque function ensures that the motor is started gently by optimizing the torque profile during the starting phase. This reduces mechanical stress on the driven equipment and extends the lifespan of belts, gears, and couplings — especially valuable for pump and conveyor applications.
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