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Siemens 3RW4047-2BB15 SIRIUS Soft Starter - 106A, 75kW

Siemens 3RW4047-2BB15 SIRIUS Soft Starter | 106A, 75kW

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ManufacturerSiemens

Part number3RW4047-2BB15

Rated operational current 106 A

Motor power 75 kW at 500 V

Main circuit voltage 400-600 V AC

Control circuit voltage 110-230 V AC/DC

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Smooth motor start-up Reduced inrush current Integrated overload protection Spring-type terminals for easy wiring Compact design

Product description

The Siemens 3RW4047-2BB15 is a SIRIUS soft starter designed for smooth motor start-ups. It features a rated operational current of 106 A and supports motor powers up to 75 kW at 500 V. The device operates within a voltage range of 400-600 V AC for the main circuit and 110-230 V AC/DC for the control circuit, utilizing spring-type terminals for secure connections.

This soft starter is ideal for applications requiring reduced mechanical stress on machinery and lower inrush currents, such as conveyor systems, pump controls, and fan applications. It helps to prolong the life of motors and connected equipment by minimizing shock during startup.

Source your Siemens 3RW4047-2BB15 from Stanlo Automation, a veteran-owned distributor, for reliable surplus industrial parts. We ensure quality and availability for your critical automation needs.

Technical specifications

Rated operational current	106 A
Motor power	75 kW at 500 V
Main circuit voltage	400-600 V AC
Control circuit voltage	110-230 V AC/DC
Terminal type	Spring-type terminals
Series	SIRIUS 3RW40

Common applications

Motor control

Pump applications

Fan control

Conveyor systems

Compressor control

Machine tools

Compatible systems

Compatible with Siemens S7 PLCs Suitable for standard motor control circuits

Also known as

Siemens SIRIUS 3RW4047-2BB15 Soft Starter 106A Siemens motor starter

Replaces / compatible with

This soft starter is designed as a direct replacement or upgrade for older Siemens soft starter models in the SIRIUS line, ensuring compatibility with existing control systems.

Technical note

Expert tip

Ensure proper heat dissipation by adhering to the recommended mounting clearances for the Siemens 3RW40 series to prevent thermal overload.

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Frequently asked questions

What is the maximum motor power for the Siemens 3RW4047-2BB15 soft starter?

The Siemens 3RW4047-2BB15 soft starter is rated for a maximum motor power of 75 kW when operated at a voltage of 500 V.