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Siemens SIRIUS 3RW52 Soft Starter - 250A, 200-480V AC

Siemens SIRIUS 3RW52 series soft starter for smooth motor starting.

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ManufacturerSiemens

Part number3RW5244-6AC14

Voltage 200-480 V AC

Current 250 A

Control Voltage 110-250 V AC

Terminals Screw

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Smooth Motor Starting Reduced Mechanical Stress Integrated Overload Protection Analog Output Screw Terminals Wide Voltage Range

Product description

The Siemens SIRIUS 3RW52 soft starter (3RW5244-6AC14) is designed for smooth and controlled starting of three-phase motors. It operates within a voltage range of 200-480V AC and handles a current of up to 250A. The control circuit operates on 110-250V AC, and the unit features screw terminals for secure connections and an analog output for process monitoring.

This soft starter is widely used in applications requiring gentle motor acceleration to reduce mechanical stress and electrical load, such as in conveyor systems, pumps, fans, and compressors across various industries like manufacturing, water treatment, and material handling.

Stanlo Automation, a veteran-owned supplier, offers the Siemens 3RW5244-6AC14 surplus soft starter. Benefit from our expert service, competitive pricing, and quick delivery to keep your automation systems running efficiently.

Technical specifications

Voltage	200-480 V AC
Current	250 A
Control Voltage	110-250 V AC
Terminals	Screw
Output	Analog Output

Common applications

Conveyor Systems

Pump Control

Fan Control

Compressor Starters

Industrial Machinery

Water Treatment

Compatible systems

Three-phase AC induction motors

Also known as

Siemens 3RW52 Soft Starter SIRIUS Motor Starter 250A Soft Starter

Replaces / compatible with

Replaces traditional direct-on-line starters where soft start functionality is required to reduce mechanical and electrical stress. Compatible with SIRIUS motor control components.

Technical note

Expert tip

Ensure proper heat dissipation and ventilation around the unit, as it is a power electronic device that generates heat during operation.

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Frequently asked questions

What is the operating voltage and current rating for the Siemens 3RW5244-6AC14?

The Siemens SIRIUS 3RW52 soft starter (3RW5244-6AC14) is designed for main circuit operation between 200-480V AC and can handle a maximum current of 250A. The control voltage is 110-250V AC.