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Siemens 3RW4047-2BB04 SIRIUS Soft Starter — 106A, 55kW

Siemens SIRIUS Soft Starter 3RW4047-2BB04, 106A, 55kW, 200-480V AC.

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ManufacturerSiemens

Part number3RW4047-2BB04

Rated operational current 106 A

Rated power 55 kW at 400 V

Control voltage 24 V AC/DC

Main circuit voltage 200-480 V AC

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Smooth motor start Reduced mechanical stress Integrated overload protection Wide voltage range Spring-type terminals Compact design

Product description

The Siemens 3RW4047-2BB04 is a SIRIUS soft starter designed for smooth motor acceleration. It features a rated operational current of 106 A and a power rating of 55 kW at 400 V, with a voltage range of 200-480 V AC. This model includes 24 V AC/DC control voltage and is equipped with spring-type terminals for secure connections.

This soft starter is ideal for applications requiring reduced mechanical stress on machinery and electrical systems, such as pump controls, fan drives, and conveyor systems. It is commonly used in manufacturing, water treatment, and material handling industries.

Source your Siemens 3RW4047-2BB04 soft starter from Stanlo Automation, a veteran-owned business specializing in surplus industrial parts. We offer reliable components with expert service to keep your operations running efficiently.

Technical specifications

Rated operational current	106 A
Rated power	55 kW at 400 V
Control voltage	24 V AC/DC
Main circuit voltage	200-480 V AC
Terminal type	Spring-type terminals
Series	SIRIUS 3RW40

Common applications

Pump control

Fan drives

Conveyor systems

Compressor control

Material handling

Machine tools

Compatible systems

General purpose motor applications PLC controlled systems Standalone motor control

Also known as

Siemens SIRIUS 3RW40 3RW40 soft starter Siemens motor starter

Replaces / compatible with

This soft starter is designed to replace direct-on-line (DOL) starters in applications requiring soft starting capabilities, reducing mechanical and electrical stress.

Technical note

Expert tip

Ensure proper heatsink and ventilation for continuous operation at rated current, especially in higher ambient temperatures.

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Frequently asked questions

What are the key specifications of the Siemens 3RW4047-2BB04 soft starter?

The Siemens 3RW4047-2BB04 is a SIRIUS soft starter with a rated operational current of 106A and a power rating of 55kW at 400V. It operates with a main circuit voltage range of 200-480V AC and a control voltage of 24V AC/DC, featuring spring-type terminals.