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                                                                                                                                                                                                            Siemens SIRIUS soft starter motor controller, 3RW52 soft starter with warranty, 3RW55 motor controller original new
                      

Series:	SIRIUS 3RW	Control Phase:	2-Phase (Basic) / 3-Phase (High)
Operational Current:	13A To 1280A	Soft Start/Stop:	Integrated Bypass Contacts
Special Function:	Pump Cleaning (Select Models)	Shipping Term:	International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/sea Freight / Air Freight / International Special Line
Freight Charge:	For 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

Series:	SIRIUS 3RW
Control Phase:	2-Phase (Basic) / 3-Phase (High)
Operational Current:	13A To 1280A
Soft Start/Stop:	Integrated Bypass Contacts
Special Function:	Pump Cleaning (Select Models)
Shipping Term:	International Express（DHL/FEDEX/TNT/UPS/ARAMEX）/sea Freight / Air Freight / International Special Line
Freight Charge:	For 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

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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Siemens SIRIUS 3RW52 3RW55 3RW40 Soft Starter Motor Controller Original New

Siemens SIRIUS soft starter motor controller

3RW52 soft starter with warranty

3RW55 motor controller original new

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