The Siemens 3RW5226-1AC14 is a SIRIUS soft starter designed for controlled starting and stopping of compatible industrial motors. It supports a 200–480 V motor voltage range, has a 77 A rated current, and uses a 110–250 V AC control supply. The unit features screw terminals and an analog output, making it suitable for industrial motor-control panels and automation systems.
The soft starter helps provide controlled motor acceleration and deceleration, reducing the electrical and mechanical stress that can occur with direct-on-line starting.
The 3RW5226-1AC14 is designed for compatible motor applications operating within the 200–480 V range.
This voltage range provides flexibility for industrial motor-control applications where controlled starting and stopping are required.
Typical applications include:
The correct soft starter should be selected according to the motor's rated current, starting conditions, load characteristics and application requirements.
The 3RW5226-1AC14 has a rated current of 77 A, making it suitable for compatible industrial motor applications.
This current rating can support motor-control applications where controlled starting is required to reduce starting-current peaks and mechanical stress.
Potential applications include:
The motor's actual rated current and application duty should always be verified before selecting the soft starter.
The soft starter is specified with a 110–250 V AC control supply.
This provides the control power required for the device and should be matched with the electrical control architecture of the installation.
The control voltage should be verified before commissioning.
The 3RW5226-1AC14 uses screw terminals for electrical connections.
Screw terminals provide a familiar connection method for industrial panel builders and maintenance teams and can support straightforward installation when wiring is performed according to the manufacturer's requirements.
A key feature of the 3RW5226-1AC14 is its analog output.
The analog output can provide a configured signal to an external monitoring or automation system, depending on the supported configuration.
This can be useful for:
The exact analog output signal, range and assignable value should be verified from the applicable Siemens documentation before connection.
The 3RW5226-1AC14 controls motor acceleration and deceleration to provide a smoother starting and stopping process.
It can help reduce:
The actual performance depends on the motor, load characteristics and configured soft-starter parameters.
The 3RW5226-1AC14 can be incorporated into a complete motor-control system alongside compatible equipment such as:
The analog output can provide additional operating feedback to a compatible automation or monitoring system.
The Siemens 3RW5226-1AC14 can be used across various industrial applications, including:
For related Siemens industrial electrical and automation products, customers can explore the Siemens product range at SB Smart.
The 3RW5226-1AC14 is suitable for OEM machine manufacturers, electrical panel builders, automation integrators and industrial maintenance professionals.
Its combination of 200–480 V motor voltage, 77 A rated current, 110–250 V AC control supply, screw terminals and analog output makes it suitable for industrial motor-control applications requiring controlled starting and additional monitoring capability.
The Siemens 3RW5226-1AC14 combines 77 A soft-starting capability, a 200–480 V motor-voltage range and an analog output for additional monitoring or control-system integration.
Its 110–250 V AC control supply and screw-terminal connections make it suitable for industrial electrical control panels, while the soft-start function helps provide controlled motor acceleration and stopping.
For OEMs, panel builders and automation integrators, it provides a practical solution for integrating compatible motors into modern industrial control systems.
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 compatible industrial motor applications and featuring an analog output.
The specified motor voltage range is 200–480 V.
The product is specified with a 77 A rated current.
The specified control supply is 110–250 V AC.
Yes. The 3RW5226-1AC14 includes an analog output.
Yes, the product specification includes screw terminals.
A soft starter controls motor acceleration and deceleration to help reduce starting-current peaks and mechanical stress compared with direct-on-line starting.
It can be used for pumps, conveyors, compressors, fans, blowers, production machinery, process equipment and other compatible industrial motor applications.
It can provide a configured signal for PLC monitoring, process visualization, external instrumentation or control-system feedback, subject to the supported configuration.
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 3RW52 |
| Model Number | 3RW5226-1AC14 |
| Product Type | Advanced Soft Starter |
| Rated Current | 77 A |
| Supply Voltage | 200–480 V AC |
| Control Voltage | 110–250 V AC/DC |
| Phase | 3 Phase |
| Control Method | 3-phase controlled |
| Protection | Overload + thermal protection |
| Bypass | Integrated |
| Mounting | Panel / screw mounting |
| Application | Industrial motor control |
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