The Siemens 3RW5548-6HA14 is a high-current SIRIUS soft starter designed for controlled starting and stopping of large industrial motors. It supports a 200–480 V motor voltage range and is rated for 570 A, with a 110–250 V AC control supply and screw-terminal connections.
The soft starter is suitable for industrial motor-control applications where smoother motor acceleration and reduced starting stress are required.
The 3RW5548-6HA14 is designed for compatible motor systems operating within the 200–480 V range.
Its wide motor-voltage range provides flexibility for use in various industrial electrical systems.
Typical applications include:
The final selection should always be based on the motor rating, operating conditions and required starting characteristics.
The 3RW5548-6HA14 has a rated current of 570 A, making it suitable for high-current motor applications.
This current capacity allows the soft starter to be considered for large industrial equipment where controlled starting is required.
Potential applications include:
The motor's actual rated current and duty requirements should be checked before selecting the soft starter.
The product is specified with a 110–250 V AC control supply.
This control supply is used for the soft starter's control functions and should be matched with the electrical control architecture of the installation.
The 3RW5548-6HA14 features screw terminals, providing a conventional connection method for industrial electrical panels.
Screw-terminal connections are familiar to panel builders and maintenance teams and can simplify wiring and servicing when installed according to the manufacturer's requirements.
The main purpose of the SIRIUS soft starter is to provide controlled acceleration and deceleration of the motor.
Compared with direct-on-line starting, a soft starter can help reduce:
Controlled stopping can also help provide smoother deceleration for compatible applications.
The actual performance depends on the motor, load characteristics and configured operating parameters.
The 3RW5548-6HA14 is suitable for applications where large motors need to be integrated into industrial control systems.
It can be incorporated alongside:
This enables the soft starter to form part of a complete industrial motor-control solution.
The Siemens 3RW5548-6HA14 can be used in:
For related Siemens industrial electrical and automation products, customers can explore the Siemens product range at SB Smart.
The 3RW5548-6HA14 is suitable for OEM machine manufacturers, electrical panel builders, automation integrators and industrial maintenance professionals working with high-current motor applications.
Its combination of 200–480 V motor voltage, 570 A current rating, 110–250 V AC control supply and screw terminals makes it suitable for demanding industrial motor-starting applications.
The Siemens 3RW5548-6HA14 provides a high-current soft-starting solution for industrial motor applications, combining a 570 A rating with a 200–480 V motor-voltage range.
Its 110–250 V AC control supply and screw-terminal connections make it suitable for integration into industrial electrical control panels.
For OEMs, panel builders and automation integrators, the soft starter can help provide controlled motor starting and stopping while reducing the stresses associated with direct-on-line starting.
SB Smart supplies Siemens industrial electrical and automation products across Faridabad, Gurgaon/Gurugram, Delhi NCR, Haryana, Noida, Punjab, Mumbai and major cities across India.
Major delivery locations include:
It is a Siemens SIRIUS soft starter designed for controlled starting and stopping of high-current industrial motors.
The specified motor voltage range is 200–480 V.
The product is specified with a 570 A rated current.
The specified control supply is 110–250 V AC.
Yes. The product specification identifies screw terminals.
A soft starter helps control motor acceleration and deceleration, reducing the effects of high starting current and mechanical stress compared with direct-on-line starting.
It can be used for large pumps, compressors, conveyors, fans, blowers, production equipment and other high-power industrial motor applications.
Yes. Its 570 A current rating makes it suitable for high-current motor applications when the motor and operating conditions are correctly matched.
Yes. It can be incorporated into suitable motor-control architectures alongside PLCs, protection devices, contactors and other automation components.
You can explore the Siemens product range at SB Smart for Siemens SIRIUS soft starters, motor-control products and other industrial automation equipment.
| Parameter | Specification |
|---|---|
| Product Series | Siemens SIRIUS 3RW55 |
| Model Number | 3RW5548-6HA14 |
| Product Type | High Performance Soft Starter |
| Rated Power | ~160 kW |
| Supply Voltage | 200–480 V AC |
| Phase | 3 Phase |
| Control Method | 3-phase controlled |
| Protection | Motor overload + thermal protection |
| Monitoring | Advanced diagnostics / condition monitoring |
| Bypass | Integrated |
| Mounting | Panel / screw mounting |
| Application | Industrial motor control |
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