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Siemens SIRIUS 3RW30 Soft Starter, Size S0, 12.5A

Siemens SIRIUS 3RW30 Size S0 Soft Starter (12.5A).

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ManufacturerSiemens

Part number3RW3024-1AB04

Series SIRIUS 3RW30

Size S0

Rated Operational Current 12.5A

Motor Power 5.5 kW @ 400V

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Veteran-owned

CAGE: 9NK75

Smooth motor starting Reduced mechanical stress Lower inrush current Integrated bypass contactor Compact design 24V DC control power

Product description

The Siemens 3RW3024-1AB04 is a SIRIUS soft starter in Size S0, designed for smooth and controlled starting of three-phase induction motors. It has a rated operational current of 12.5A and can handle motor ratings up to 5.5 kW at 400V. The main circuit operates on an AC voltage range of 200-460V, while the control circuit requires 24V DC.

This soft starter is ideal for reducing mechanical stress on machinery and electrical stress on the power supply during motor startup. Applications include conveyor belts, pumps, fans, compressors, and processing machinery where smooth acceleration is needed to prevent jolts and power surges.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the Siemens 3RW3024-1AB04. Source reliable SIRIUS components from Stanlo to ensure efficient and controlled motor operation.

Technical specifications

Series	SIRIUS 3RW30
Size	S0
Rated Operational Current	12.5A
Motor Power	5.5 kW @ 400V
Main Circuit Voltage	200-460V AC
Control Voltage	24 V DC
Protection	Thermistor (internal)
Control Type	Soft Starter

Common applications

Conveyor Systems

Pumps

Fans

Compressors

Processing Machinery

Material Handling

HVAC Systems

Compatible systems

Three-phase induction motors Siemens PLC systems Control cabinets Industrial power distribution

Also known as

Siemens SIRIUS Soft Starter S0 3RW30 12.5A Siemens Motor Control 3RW3024

Replaces / compatible with

Replaces direct-on-line (DOL) starters for applications requiring controlled acceleration. Compatible with other components in the Siemens SIRIUS modular system.

Technical note

Expert tip

The integrated bypass functionality reduces heat during continuous operation, making it suitable for frequent starts.

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Frequently asked questions

What is the control voltage and motor power rating for the Siemens 3RW3024-1AB04 soft starter?

The Siemens 3RW3024-1AB04 soft starter uses a 24 V DC control voltage and is rated for a motor power of 5.5 kW at 400V AC. It provides a smooth start for induction motors up to this capacity.