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Siemens SIRIUS 3RW50 Soft Starter - 370A, 200-480V

Siemens SIRIUS Soft Starter for Motor Control

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ManufacturerSiemens

Part number3RW5075-6AB14

Rated Operational Current 370 A

Rated Control Supply Voltage 110-250 V AC

Motor Rated Voltage 200-480 V AC

Terminals Screw

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CAGE: 9NK75

Smooth motor start Reduced inrush current Integrated bypass Adjustable ramp time Analog output for feedback Screw terminal connections

Product description

The Siemens 3RW5075-6AB14 is a SIRIUS soft starter designed for smooth and controlled starting of three-phase asynchronous motors. It operates within a voltage range of 200-480V AC and can handle motor currents up to 370A. The control circuit operates on 110-250V AC. This unit features screw terminals for secure connections and includes an analog output for process feedback.

This soft starter is crucial for applications requiring reduced mechanical stress on machinery, energy savings, and controlled acceleration of motor loads. Industries such as material handling, pumps, fans, and compressors benefit from its ability to minimize starting torque and current surges, extending equipment life.

Stanlo Automation, a veteran-owned surplus distributor, offers the Siemens 3RW5075-6AB14, providing a reliable and economical source for your motor control needs. We ensure that our surplus inventory is inspected and ready for deployment, supporting your operational continuity.

Technical specifications

Rated Operational Current	370 A
Rated Control Supply Voltage	110-250 V AC
Motor Rated Voltage	200-480 V AC
Terminals	Screw
Output	Analog
Series	SIRIUS 3RW50
Manufacturer	Siemens

Common applications

Pump control

Fan control

Conveyor systems

Compressors

Material handling

Machine tools

Compatible systems

Three-phase asynchronous motors Siemens control systems

Also known as

Siemens SIRIUS 3RW50 3RW5075-6AB14 soft starter Siemens motor starter

Replaces / compatible with

This soft starter is designed for controlled starting of three-phase asynchronous motors. It offers an alternative to direct-on-line starters, reducing mechanical and electrical stress.

Technical note

Expert tip

The analog output can be configured to signal motor current or voltage, providing valuable real-time process data for control systems.

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Frequently asked questions

What is the maximum motor current for the Siemens 3RW5075-6AB14?

The Siemens 3RW5075-6AB14 SIRIUS soft starter can handle a rated operational current of up to 370A. This allows it to be used with a variety of industrial motors within its voltage range.