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Siemens SIRIUS Soft Starter 3RW4024-2TB05 - 12.5A, 7.5kW

Siemens SIRIUS Soft Starter 3RW4024-2TB05.

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ManufacturerSiemens

Part number3RW4024-2TB05

Type SIRIUS Soft Starter

Size S0

Rated Current 12.5 A

Motor Power 7.5 kW (at 500 V)

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Veteran-owned

CAGE: 9NK75

Smooth motor starting Reduces mechanical stress Integrated thermistor motor protection Spring-type terminal connections Suitable for 400-600V AC systems Compact S0 size

Product description

The Siemens SIRIUS soft starter, Part Number 3RW4024-2TB05, is a size S0 device designed for smooth starting of three-phase motors. It has a rated current of 12.5 A and can handle a motor output of 7.5 kW at 500 V. The soft starter operates with a control voltage of 24 V AC/DC and features spring-type terminals for quick and secure connections.

This soft starter provides essential motor protection, including a thermistor motor protection input (connected to an external PTC thermistor) to prevent overheating. It is suitable for applications requiring reduced mechanical stress during motor startup and provides controlled acceleration.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3RW4024-2TB05 SIRIUS soft starter. We provide reliable and cost-effective solutions for your motor control needs, ensuring you can maintain or upgrade your systems efficiently.

Technical specifications

Type	SIRIUS Soft Starter
Size	S0
Rated Current	12.5 A
Motor Power	7.5 kW (at 500 V)
Voltage (Power)	400-600 V AC
Voltage (Control)	24 V AC/DC
Terminals	Spring-type
Protection	Thermistor motor protection

Common applications

Motor control centers

Pump systems

Fan control

Conveyor systems

Compressors

Industrial machinery

Compatible systems

Three-phase induction motors Control panels Motor control centers

Also known as

Siemens SIRIUS 3RW40 3RW4024 soft starter Siemens motor starter

Replaces / compatible with

This soft starter replaces direct-on-line starters for applications requiring controlled acceleration and reduced inrush current. It is compatible with standard motor protection relay systems.

Technical note

Expert tip

The 24V AC/DC control voltage requires a separate power source; ensure correct polarity and voltage are supplied to the control terminals.

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Frequently asked questions

What type of motor protection is included with the Siemens SIRIUS 3RW4024-2TB05 soft starter?

The Siemens SIRIUS 3RW4024-2TB05 soft starter includes thermistor motor protection. This allows for the connection of an external PTC thermistor sensor, which monitors motor winding temperature to prevent overheating and damage.