The Siemens 3RW5236-6AC14 is a SIRIUS 3RW52 General Performance soft starter designed for smooth starting and stopping of three-phase asynchronous motors. With a rated current of 171 A and motor power capacity up to 90 kW at 400 V (160 kW in inside-delta configuration), it effectively reduces current peaks, prevents supply voltage fluctuations, and minimizes mechanical stress on driven equipment.
Item No :
3RW5236-6AC14Order(MOQ) :
1 PiecePayment :
EXWProduct Origin :
CzechShipping Port :
WuhanLead Time :
3~5 daysWeight :
5kg| Specification | Description |
|---|---|
| Manufacturer | Siemens |
| Model | 3RW5236-6AC14 |
| Product Family | SIRIUS 3RW52 Soft Starters |
| Product Type | General Performance Soft Starter |
| Rated Operational Current (Ie) | 171 A at 40°C |
| Rated Operating Voltage | 200 – 480 V AC |
| Rated Power (Three-Phase Motor, Inline, 400V) | 90 kW |
| Rated Power (Three-Phase Motor, Inside Delta, 400V) | 160 kW |
| Rated Power (Three-Phase Motor, Inline, 230V) | 45 kW |
| Rated Power (Three-Phase Motor, Inside Delta, 230V) | 90 kW |
| Control Supply Voltage | 110 – 250 V AC |
| Control Supply Frequency | 50/60 Hz |
| Terminal Type | Screw terminals |
| Analog Output | Yes (0-10V / 4-20mA) |
| Integrated Bypass | Yes |
| Motor Overload Protection | Integrated electronic overload protection |
| Soft Torque Function | Yes |
| Current Limiting | Adjustable during startup |
| Protection Class (IP) | IP00 (IP20 with cover) |
| Operating Temperature | -25°C to +60°C |
| Storage Temperature | -40°C to +80°C |
| Dimensions (W x H x D) | 185 x 306 x 203 mm |
| Net Weight | Approx. 7.2 kg |
| Country of Origin | Czech Republic |
| Lifecycle Status | Active (PM300) |
| Model | Description | Typical Application |
|---|---|---|
| 3RW5236-6AC04 | Same current rating with 24V AC/DC control voltage | Applications with 24V control systems |
| 3RW5236-6BC14 | Same rating with spring-type terminals (vs. screw terminals) | Faster wiring and vibration-prone installations |
| 3RW5245-6AC14 | Higher power rating (245 A) for larger motors | Larger motor applications requiring higher current capacity |
| 3RW5226-6AC14 | Lower power rating (126 A) | Smaller motor applications |
| 3RW5555-6AA06 | Higher-performance series with HMI display and advanced features | Complex applications requiring detailed diagnostics |
| 3RW50 Series | Basic Performance soft starters for simple applications | Budget-sensitive, basic soft start/stop requirements |
| 6ES7134-6HB00-0CA1 | 6ES7323-1BH01-0AA0 | 6ES7390-1AF30-0AA0 | 6ES7400-1JA01-0AA0 |
| 6ES7134-6FB00-0BA1 | 6ES7323-1BL00-0AA0 | 6ES7390-1AJ30-0AA0 | 6ES7412-5HK06-0AB0 |
| 6ES7134-6HD01-0BA1 | 6ES7331-1KF01-0AB0 | 6ES7307-1EA01-0AA0 | 6ES7960-1AB06-0XA0 |
| 6ES7135-6FB00-0BA1 | 6ES7331-1KF02-0AB0 | 6ES7307-1KA02-0AA0 | 6ES7414-3FM07-0AB0 |
| 6ES7135-6HD00-0BA1 | 6ES7331-7KB02-0AB0 | 6ES7972-0BA42-0XA0 | 6ES7414-3EM07-0AB0 |
| 6ES7136-6BA00-0CA0 | 6ES7331-7KF02-0AB0 | 6ES7972-0BB42-0XA0 | 6ES7952-1KK00-0AA0 |
| 6ES7136-6DB00-0CA0 | 6ES7331-7NF00-0AB0 | 6ES7972-0BA12-0XA0 | 6ES7492-1AL00-0AA0 |
| 6ES7136-6PA00-0BC0 | 6ES7331-7NF10-0AB0 | 6ES7972-0BB12-0XA0 | 6ES7421-1EL00-0AA0 |
| 6ES7155-6BA01-0CN0 | 6ES7331-7PF01-0AB0 | 6ES7972-0BA52-0XA0 | 6ES7952-1KL00-0AA0 |
| 6ES7155-6AU01-0BN0 | 6ES7331-7PF11-0AB0 | 6ES7972-0BB52-0XA0 | 6ES7431-7KF00-6AA0 |
| 6ES7193-6AR00-0AA0 | 6ES7332-5HB01-0AB0 | 6ES7392-1AJ00-0AA0 | 6ES7401-1DA01-0AA0 |
| 6ES7193-6BP00-0BA0 | 6ES7332-5HD01-0AB0 | 6ES7392-1AM00-0AA0 | 6ES7416-2XP07-0AB0 |
Q1: What is the maximum motor power this soft starter can handle?
The 3RW5236-6AC14 can handle motors up to 90 kW at 400 V in standard inline connection, or up to 160 kW when configured in inside-delta connection at 400 V. At 230 V, the ratings are 45 kW (inline) and 90 kW (inside-delta).
Q2: What is the difference between 3RW52 and other SIRIUS soft starter series?
The 3RW52 series is the "General Performance" line, positioned between the basic 3RW50 series and the advanced 3RW55 series. The 3RW52 offers potentiometer-based parameterization for simple commissioning, an integrated bypass for energy savings, and optional communication modules for PROFINET, PROFIBUS, and Modbus TCP integration.
Q3: What is the Soft Torque function and why is it important?
The Soft Torque function ensures particularly gentle motor startup 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.
Q4: Does this soft starter include motor overload protection?
Yes. The 3RW5236-6AC14 includes integrated electronic motor overload protection as standard. This eliminates the need for a separate thermal overload relay in most applications. The protection class can be adjusted to match the specific motor requirements.
Q5: What communication options are available for this soft starter?
The 3RW52 series supports optional plug-in communication modules for PROFINET, PROFIBUS, Modbus TCP, Modbus RTU, and EtherNet/IP. Additionally, various HMI modules are available for installation in the device or control cabinet door for local monitoring and control.
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