Siemens SIRIUS Soft Starter S3 106A, 55kW, 200-480V AC

Siemens SIRIUS S3 soft starter, 106A, 55kW, 200-480V AC.

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ManufacturerSiemens

Part number3RW3047-1BB04

Type Soft Starter

Series SIRIUS

Rating S3

Max Current 106 A

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12-month warranty

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Smooth Motor Starting Reduced Inrush Current S3 Rated 106A Capacity 55kW Motor Power Screw Terminal Connections

Product description

The Siemens 3RW3047-1BB04 is a SIRIUS soft starter with an S3 rating, capable of handling a full load current of 106 Amperes and a motor power of 55 kW at 400V. It operates with a control voltage range of 200-480V AC and features convenient screw terminals for connections. This starter is designed for operation at an ambient temperature of 40°C.

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, conveyors, and other industrial equipment where soft starting is beneficial to prevent system shock and extend equipment life.

Source your Siemens 3RW3047-1BB04 from Stanlo Automation, your veteran-owned surplus parts distributor. Ensure reliable motor control and efficient operation of your industrial systems with quality surplus components.

Technical specifications

Type	Soft Starter
Series	SIRIUS
Rating	S3
Max Current	106 A
Max Power	55 kW @ 400V
Control Voltage	200-480 V AC
Terminals	Screw
Ambient Temp	40 °C

Common applications

Motor Control

Pump Systems

Fan Control

Conveyor Systems

Compressors

Industrial Machinery

Process Automation

Compatible systems

Three-phase induction motors Control panels Motor control centers

Also known as

Siemens SIRIUS 3RW30

Replaces / compatible with

Replaces traditional direct-on-line starters for applications requiring reduced starting torque and current.

Technical note

Expert tip

For optimal performance and longevity, ensure the motor and wiring are correctly sized for the 106A rating and that proper heat dissipation is maintained around the starter.

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Frequently asked questions

What is the maximum motor power and control voltage for the Siemens 3RW3047-1BB04 soft starter?

The Siemens 3RW3047-1BB04 SIRIUS soft starter can control motors up to 55 kW at 400V. The control voltage range for this unit is 200-480V AC.