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Siemens SIRIUS 3RW50 Soft Starter - 143A, 200-480V

Siemens SIRIUS 3RW50 Soft Starter - 143A

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ManufacturerSiemens

Part number3RW5055-6AB14

Type Soft Starter

Series SIRIUS 3RW50

Voltage 200-480 V AC

Current 143 A

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Smooth Motor Start-up Reduces Mechanical Stress Analog Output for Monitoring Screw Terminal Connections Wide Voltage Range Siemens Quality

Product description

The Siemens SIRIUS 3RW50 soft starter (3RW5055-6AB14) is designed for smooth and controlled starting of three-phase AC motors. It operates within a voltage range of 200-480V AC and has a rated current of 143A. This model features screw terminals for easy connection and includes an analog output for monitoring purposes.

This soft starter is ideal for applications where reducing mechanical stress during motor startup is critical, such as in conveyor systems, pumps, fans, and compressors. It helps to extend the life of motors and associated mechanical components by preventing harsh jolts.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RW5055-6AB14. We provide reliable and cost-effective solutions for your automation needs, ensuring you can source quality components to keep your operations running efficiently.

Technical specifications

Type	Soft Starter
Series	SIRIUS 3RW50
Voltage	200-480 V AC
Current	143 A
Terminals	Screw
Output	Analog Output

Common applications

Conveyor Systems

Pump Control

Fan Control

Compressors

Material Handling

Motor Protection

Compatible systems

Three-Phase AC Motors Control Panels Industrial Automation Systems

Also known as

SIRIUS Soft Starter Siemens Motor Starter 143A Soft Starter

Replaces / compatible with

This soft starter replaces direct-on-line starters or star-delta starters for applications requiring gentle motor acceleration.

Technical note

Expert tip

Ensure proper wiring and motor sizing to match the 143A rating of this SIRIUS 3RW50 soft starter for optimal performance and protection.

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Frequently asked questions

What is the voltage range and current rating for the Siemens 3RW5055-6AB14 soft starter?

The Siemens SIRIUS 3RW50 soft starter (3RW5055-6AB14) operates with a supply voltage of 200-480V AC and has a rated current of 143 Amps. It is designed for controlled starting of three-phase AC motors.