3RW4024 - Uncategorized SIRIUS - Free user manual and instructions
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| Product Type | Soft Starter |
| Model | 3RW4024 |
| Brand | SIRIUS (Siemens) |
| Rated Operational Current (Ie) | 24 A |
| Rated Operational Voltage (Ue) | 400 V AC |
| Control Supply Voltage | 24 V DC / 110-230 V AC |
| Dimensions (W x H x D) | 45 x 100 x 120 mm |
| Weight | 0.3 kg |
| Degree of Protection | IP20 |
| Mounting | DIN rail |
| Main Functions | Soft start, soft stop, motor protection, bypass contactor control |
| Communication | None (standalone) or optional PROFIBUS/PROFINET via add-on |
| Maintenance | Periodic inspection of connections and cooling, no routine part replacement |
| Cleaning | Use dry cloth; avoid solvents |
| Safety | CE, UL, CSA certified; features overload protection, phase failure detection |
| Spare Parts & Repairability | Not field-repairable; replace unit; spare parts not available separately |
| Operating Temperature | -25°C to +60°C |
| Compatible Motor Power (at 400V) | Up to 11 kW |
Frequently Asked Questions - 3RW4024 SIRIUS
How do I wire the 3RW4024 soft starter?
Connect the motor to terminals T1, T2, T3 and the line supply to L1, L2, L3. The control supply must be connected to A1/A2. Refer to the wiring diagram in the manual.
What does the LED status mean?
A steady green LED indicates normal operation. Flashing red indicates a fault (e.g., overload, phase loss). Off means no control voltage.
Can I use this soft starter for star-delta motors?
Yes, the 3RW4024 can be used for star-delta starting. Connect the motor windings appropriately and set the parameters accordingly.
What is the maximum motor current?
The rated operational current is 24 A. For motors, select a motor with full-load current not exceeding 24 A.
How do I set the ramp time?
Use the potentiometers on the front panel: 'Ramp Up' and 'Ramp Down' adjust the start and stop times (0.5-30 s). Turn clockwise to increase time.
What happens if the motor overheats?
The soft starter has an internal thermal overload protection. It will trip and display a fault (flashing red). After cooling, reset by cycling power.
Can I use this unit in a DC application?
No, it is designed for AC motors only. Using it with DC may damage the device.
How do I clean the soft starter?
Disconnect power. Wipe the enclosure with a dry, soft cloth. Do not use liquids or abrasive cleaners.
What is the recommended mounting position?
Mount vertically on a DIN rail in a clean, dry location. Ensure adequate ventilation; do not block cooling slots.
Where can I find the spare parts?
The 3RW4024 is a non-repairable unit. If defective, replace the entire device. Contact your Siemens distributor for a replacement.
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USER MANUAL 3RW4024 SIRIUS
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Product information
Brand : SIRIUS
Model : 3RW4024
Category : Uncategorized