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Siemens SIRIUS 3RW4027-1BB15 Soft Starter S0

Siemens SIRIUS Soft Starter S0, 32A, 18.5kW, 400-600V AC control.

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ManufacturerSiemens

Part number3RW4027-1BB15

Manufacturer Siemens

Series SIRIUS

Type Soft Starter

Size S0

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Smooth Motor Starting Reduced Mechanical Stress S0 Size Screw Terminal Connections Wide Control Voltage Range SIRIUS Quality

Product description

The Siemens 3RW4027-1BB15 is a SIRIUS soft starter of size S0, designed for smooth and controlled starting of three-phase induction motors. It has a rated operational current of 32 A and a rated power of 18.5 kW at 500 V, with a temperature rating of 40 °C. The control voltage range is 400-600 V AC, and it utilizes 110-230 V AC/DC for its control circuit, featuring screw terminals for connection.

This soft starter is ideal for applications where high starting currents and mechanical stress on machinery need to be minimized, such as in conveyor systems, pumps, fans, and compressors. It helps to extend the lifespan of motors and connected equipment by reducing mechanical shock during startup.

Stanlo Automation, your veteran-owned source for surplus industrial parts, offers the Siemens 3RW4027-1BB15. Ensure your motor control systems are equipped with reliable, cost-effective solutions from our inventory.

Technical specifications

Manufacturer	Siemens
Series	SIRIUS
Type	Soft Starter
Size	S0
Rated Operational Current	32 A
Rated Power	18.5 kW at 500 V
Operating Temperature	40 °C
Control Voltage	400-600 V AC, 110-230 V AC/DC
Terminals	Screw

Common applications

Motor Control

Pump Starters

Fan Starters

Conveyor Systems

Compressor Control

Industrial Machinery

Compatible systems

Induction Motors Siemens Control Systems

Also known as

Siemens SIRIUS Soft Starter S0 Siemens 3RW40 Soft Starter

Replaces / compatible with

This soft starter is designed to provide controlled motor starting, replacing direct-on-line starters and reducing mechanical stress. Compatible with various Siemens control systems.

Technical note

Expert tip

Ensure the control voltage is correctly applied within the specified 110-230 V AC/DC range for proper operation and to avoid damage to the soft starter.

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Frequently asked questions

What is the maximum motor power that the Siemens 3RW4027-1BB15 can start?

The Siemens 3RW4027-1BB15 soft starter is rated for a maximum motor power of 18.5 kW at a voltage of 500 V. It has a rated operational current of 32 A and is suitable for control voltages between 400-600 V AC.