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Siemens SIRIUS 3RW4047-1TB04 Soft Starter - 106A

Siemens 3RW4047-1TB04 SIRIUS S3 soft starter, 106A, 55kW.

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ManufacturerSiemens

Part number3RW4047-1TB04

Manufacturer Siemens

Series SIRIUS 3RW40

Size S3

Rated Operational Current 106 A

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Smooth motor start/stop Reduced inrush current Thermistor motor protection S3 size 24V AC/DC control Screw terminals

Product description

The Siemens 3RW4047-1TB04 is a SIRIUS 3RW40 soft starter in size S3, rated for 106 Amps and 55 kW at 400V. It operates with a main circuit voltage of 200-480V AC and a control voltage of 24V AC/DC. This soft starter features screw terminals and includes thermistor motor protection for enhanced safety and longevity of the motor.

This soft starter is ideal for smoothly starting and stopping three-phase induction motors, reducing mechanical stress on machinery and electrical inrush currents. Applications include pumps, fans, compressors, and conveyors across various industries like water treatment, manufacturing, and HVAC.

Stanlo Automation, a veteran-owned surplus distributor, offers this Siemens SIRIUS soft starter. We provide reliable, tested components to ensure your automation systems operate efficiently and cost-effectively. Trust Stanlo for your industrial part needs.

Technical specifications

Manufacturer	Siemens
Series	SIRIUS 3RW40
Size	S3
Rated Operational Current	106 A
Rated Power (400V)	55 kW
Main Circuit Voltage	200-480 V AC
Control Voltage	24 V AC/DC
Terminals	Screw
Motor Protection	Thermistor
Ambient Temperature	40 °C

Common applications

Pump control

Fan control

Compressor starting

Conveyor systems

Machine tools

HVAC systems

Compatible systems

3-Phase Induction Motors

Also known as

Siemens SIRIUS 3RW40 soft starter 106A

Technical note

Expert tip

Ensure the ambient temperature does not exceed 40°C for rated performance as specified; derating may be required above this temperature.

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Frequently asked questions

What is the rated power and current for the Siemens 3RW4047-1TB04 soft starter?

The Siemens 3RW4047-1TB04 soft starter is rated for a continuous operational current of 106 Amps and can handle a motor power of 55 kW when operating at 400V. This makes it suitable for medium to heavy-duty motor applications.