Siemens SIRIUS 3RW52 3RW55 3RW40 Soft Starter Motor Controller Original New
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Highlight
Siemens SIRIUS soft starter motor controller
,3RW52 soft starter with warranty
,3RW55 motor controller original new
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SeriesSIRIUS 3RW
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Control Phase2-Phase (Basic) / 3-Phase (High)
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Operational Current13A To 1280A
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Soft Start/StopIntegrated Bypass Contacts
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Special FunctionPump Cleaning (Select Models)
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Shipping TermInternational Express（DHL/FEDEX/TNT/UPS/ARAMEX）/sea Freight / Air Freight / International Special Line
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Freight ChargeFor Industrial Equipment (e.g., PLC Modules, Inverters..), Shipping Cost Varies By Package Weight/volume And Delivery Location. Contact Our Sales Team For A Customized Shipping Solution And Quote
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Brand NameSiemens
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CertificationCE, UL, CSA, EAC, CCC, Marine (Lloyds, DNV).
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Minimum Order Quantity1
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Price$200 - $1,5000
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Packaging DetailsOriginal
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Delivery Time3-5Workdays
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Payment TermsL/C,D/A,D/P,T/T,Western Union
Siemens SIRIUS 3RW52 3RW55 3RW40 Soft Starter Motor Controller Original New
Siemens SIRIUS 3RW52 3RW55 3RW40 Soft Starter Motor Controller Original New
The Siemens SIRIUS 3RW series is the global benchmark for smooth motor starting and stopping. Designed to minimize mechanical stress and voltage spikes, these soft starters extend the lifespan of your motors and infrastructure. From the user-friendly 3RW52 to the expert-level 3RW55 with Pump Cleaning features, and the classic 3RW40 for drop-in replacements, Siemens provides the ultimate protection for your industrial drives.
Product Highlights
- Pump Cleaning (3RW55): Specialized function to clear debris from pumps, essential for restarting damaged post-war water systems.
- Intuitive Parameterization: The 3RW52 features simple rotary dials, making it easy to set up even with limited technical staff.
- Drop-in Replacement (3RW40): The industry classic, perfect for maintaining legacy systems without redesigning the control logic.
- Compact Footprint: Innovative hybrid switching technology significantly reduces the heat and size of the starter unit.
Specifications
| Series | Class | Current | Voltage | Key Feature | Example SKU |
|---|---|---|---|---|---|
| 3RW52 | High Performance | 13A - 560A | 200V - 600V | 3RW5213-1AC04 | |
| 3RW55 | Expert / Advanced | 13A - 1280A | 200V - 690V | Pump Clean / AI | 3RW5524-1HA04 |
| 3RW40 | Classic / Compact | 12.5A - 432A | 200V - 600V | Legacy Support | 3RW4024-1BB14 |
| 3RW30 | Basic / Entry | 3A - 106A | 200V - 480V | 3RW3013-1BB04 |
Application Fields
- Water & Wastewater: Essential for pump stations (especially with 3RW55's cleaning function).
- Infrastructure Reconstruction: Fast deployment for ventilation and supply fans.
- Industrial OEM: Conveyor belts, compressors, and mills requiring smooth torque control.
- MRO (Maintenance): Replacing legacy starters in old factory cabinets (3RW40).
Frequently Asked Questions
Q1: Why should I choose 3RW55 for water treatment?
A: The "Pump Cleaning" function automatically reverses the motor to clear blockages—critical for pipes damaged by debris or sediment.
Q2: Can I replace an old 3RW40 with a new 3RW52?
A: Yes, but check the dimensions. For a "no-drill" replacement, staying with the 3RW40 series is often the fastest path.
Q3: How do I set the parameters on a 3RW52?
A: It features intuitive rotary potentiometers on the front, allowing for quick setup without a programming laptop.
Q4: Do these soft starters support Profinet?
A: Yes, the 3RW5 series supports optional communication modules for Profinet, Profibus, and Modbus TCP.
Q5: Is it suitable for heavy-duty starting?
A: Yes, 3RW55 supports Class 30 heavy-duty starting for high-inertia loads like large crushers or fans.
Q6: Are these authentic Siemens Germany products?
A: Yes, Fradwell only provides 100% genuine Siemens SIRIUS products with original traceability.
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