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Tan versátil como su aplicación

A new generation of soft starters for numerous drive tasks

Un arrancador suave específico para cada aplicación

Los arrancadores suaves SIRIUS son la mejor solución cuando el arranque directo o estrella-delta no aplica a motores trifásicos, porque a menudo pueden surgir problemas debido a un impacto mecánico en la máquina o a caídas de tensión en el suministro de línea.

Nuestra gama de arrancadores suaves con funciones inteligentes ofrece una alternativa suave para casi cualquier aplicación, desde accionamientos simples hasta sofisticados, como arranque de servicio pesado. Le permiten encender motores trifásicos de forma suave, fácil y eficiente e implementar conceptos de máquina confiables.

Selecting and dimensioning the right soft starter
Start Simulation Tool
High Performance Sanftstarter
Aplicaciones de alto desempeño

Arrancador de altas prestaciones SIRIUS 3RW55

Gracias a su máxima funcionalidad, el arrancador suave inteligente SIRIUS 3RW55 domina los procesos de arranque y paro difíciles de una manera suave. Las funciones inteligentes integradas (como la limpieza de la bomba, la parada de la bomba, la parametrización automática y el monitoreo de las condiciones) ayudan a los usuarios a trabajar sin problemas en su planta.

  • Control en 3 fases para un arranque óptimo
  • Fácil ingeniería en TIA Portal
  • Variedad en protocolos de comunicación (PROFINET, PROFIBUS, Modbus)
  • Panel de operador con display
  • Robustez Eléctrica
  • Para aplicaciones de 7 HP hasta 1,600 HP
General Performance Sanftstarter
Aplicaciones Estándar

Arrancador para aplicaciones estándar SIRIUS 3RW52

El arrancador suave SIRIUS 3RW52 es la alternativa ideal a los arrancadores estrella-delta. Como un todo terreno, es aplicable para cualquier tipo de unidad.

  • Control en 3 fases para un arranque óptimo 
  • Parametrización sobre elementos de ajuste giratorios 
  • Diversos protocolos de comunicación (PROFINET, PROFIBUS, Modbus) 
  • Panel de operador con display opcional Robustez eléctrica 
  • Para aplicaciones de 7 HP hasta 750 HP
Basic Performance Sanftstarter
Aplicaciones Básicas

Arrancadores suaves para aplicaciones básicas SIRIUS 3RW30/40

Gracias a su diseño compacto, los arrancadores suaves SIRIUS 3RW30 / 40 son la solución de arranque ideal para aplicaciones básicas.

  • Control de 2 fases para aplicaciones estándar 
  • Parametrización sobre elementos de ajuste giratorios
  • Protección integrada contra sobrecarga y protección del dispositivo intrínseco 
  • Robustez eléctrica 
  • Para aplicaciones de 2 HP hasta 330 HP

Highlights

In which soft starter technology do I need to invest in the next 6 months?

To create reliable machines, our new SIRIUS 3RW5 soft starters offer you intelligent functions such as automatic parameterization, pump cleaning, and condition monitoring. So if you’re designing a new machine in the near future, we’ll support you with sophisticated solutions for pumps, compressors, fans, and conveyor belts, or with process development; regardless of whether your machine is intended for the automotive, wastewater, or the food and beverage industry.

At a glance: SIRIUS 3RW5 soft starter – the next generation
Download brochure

Portfolio

A portfolio for all requirements

From two-phase soft starters for standard applications to high-performance three-phase soft starters, our complete portfolio encompasses all performance classes from 1.5 to 1,200 kW, making it ideal for virtually any application.

Discover the 3RW soft starters in the Siemens Industry Mall
More information

Application examples

Smart functionalities at a glance

SIRIUS soft starters – as versatile as the requirements

Thanks to comprehensive and specific functions, our powerful, coordinated portfolio of soft starters is suitable for a wide range of applications.

 

No matter which industry you work in, take advantage of intelligent functions such as condition monitoring, automatic parameterization, pump cleaning, and integrated brake functions.

Your application in mind

The best of two technological worlds

SIRIUS soft starters – the best of two technological worlds

Hybrid switching technology combines the advantages of electronic control via power semiconductor with the low-loss conducting properties of mechanical switching contacts. In each case, the strengths of the particular technology are exploited during the appropriate operating phase.

 

During the motor’s startup process, the soft starter is operated via the power semiconductor, which permits a fine and targeted control of the starting current. Once the motor has been soft-started by means of the semiconductor, the low-loss switching contacts supply the current for the rest of the operating phase until shutdown.

 

Because hybrid switching technology reduces wear at startup, it extends the switching service life of switching devices beyond that of conventional switching technology.

Differences between the switching technologies

Benefit along the entire value chain

SIRIUS soft starters – Benefit along the entire value chain

The digital transformation of industry continues to advance. Data plays a significant role and also simplifies planning and engineering. The Simulation Tool for Soft Starters (STS) helps users easily select the necessary devices specific to their application.

 

With the TIA Selection Tool, we offer you a configurator for selecting products for your project. The SIRIUS Soft Starter ES engineering tool based on the TIA Portal lets you quickly and easily parameterize, monitor, and diagnose SIRIUS general and high performance soft starters. The device parameters can be set directly on a PC and transferred to the soft starter via Ethernet cable or a PROFINET connection.

 

Connecting our soft starters to MindSphere, our cloud-based, open IoT operating system, gives you further options; cross-plant diagnostics, convenient process optimization, plant-wide access to control data, as well as process and measured values, predictive maintenance, energy data management, and resource optimization.

Simulation tool for soft starters – Simple entry of motor and load data

Simulation Tool for Soft Starters (STS)

With the Simulation Tool for Soft Starters (STS), we provide a convenient way to design soft starters using a simple, quick, and user-friendly interface. You just need to enter the motor and load data to simulate the application. The tool then suggests suitable soft starters.

 

Details:

  • Detailed, up-to-date Siemens motor database, including IE3 motors
  • Fast simulations with a minimum of input data
  • Immediate, graphical curve charts of start operations with limit values
  • Table view of soft starters suitable for the application

Learn more

SIRIUS Soft Starter ES – parameterization, monitoring, and diagnostics during servicing

SIRIUS Soft Starter ES engineering tool based on the TIA Portal

SIRIUS Soft Starter ES is the central software for project planning, commissioning, operation, and diagnosis of the SIRIUS 3RW5 General and High Performance soft starter series.

SIRIUS Soft Starter ES is seamlessly integrated into the central Totally Integrated Automation Portal (TIA Portal) Engineering Framework, thus providing users with a consistent, efficient, and intuitive solution for all their automation tasks.

 

Details:

  • Parameterization and diagnosis directly on the device via PROFINET.
  • Display of all operational, service, and diagnostics data
  • Important information for preventing failures or for quickly locating and correcting errors.

Learn more