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Siemens SIRIUS 3RW40 Soft Starter S0 - 12.5A, 7.5kW

Siemens SIRIUS Soft Starter S0 (12.5A, 7.5kW, 400-600V AC).

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ManufacturerSiemens

Part number3RW4024-2BB05

Type Soft Starter

Series SIRIUS 3RW40

Size S0

Current Rating 12.5 A

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Soft start and stop Integrated bypass Reduces inrush current Protects motor from overload Spring-type terminals SIRIUS 3RW40 series

Product description

The Siemens 3RW4024-2BB05 is a SIRIUS 3RW40 series soft starter in size S0, rated for 12.5 A and 7.5 kW at 500 V. It operates with a supply voltage of 400-600 V AC and a control voltage of 24 V AC/DC, featuring spring-type terminals for easy connection. This soft starter provides controlled acceleration and deceleration for three-phase asynchronous motors.

This soft starter is ideal for applications requiring reduced mechanical stress on machinery, lower inrush current, and smoother motor starts. Industries such as HVAC, water pumping, conveyor systems, and general manufacturing utilize these to protect motors and electrical systems.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RW4024-2BB05. We ensure that you can source reliable components to minimize downtime and maintain operational efficiency in your industrial settings.

Technical specifications

Type	Soft Starter
Series	SIRIUS 3RW40
Size	S0
Current Rating	12.5 A
Power Rating	7.5 kW (at 500 V)
Supply Voltage	400-600 V AC
Control Voltage	24 V AC/DC
Terminals	Spring-type
IP Rating	IP20

Common applications

Pump Control

Fan Control

Conveyor Systems

Compressors

General Motor Starting

Compatible systems

Three-Phase Asynchronous Motors Siemens SIRIUS Motor Protection Devices Industrial Control Panels

Also known as

SIRIUS 3RW40 Soft Starter Siemens Motor Starter S0 Electronic Soft Starter

Replaces / compatible with

This soft starter is designed to provide a smoother alternative to direct-on-line starters and can replace older starter technologies for improved motor control and longevity.

Technical note

Expert tip

The integrated bypass contact system reduces energy consumption during idle phases and heat dissipation in the control cabinet.

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Frequently asked questions

What is the control voltage for the Siemens 3RW4024-2BB05 SIRIUS soft starter?

The Siemens 3RW4024-2BB05 SIRIUS soft starter operates with a control supply voltage of 24 V AC/DC. It features spring-type terminals for easy connection and is rated for 12.5 A with a 7.5 kW power output at 500 V.