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Siemens 3RW4028-1BB15 SIRIUS Soft Starter - S0, 38A

Siemens 3RW4028-1BB15 SIRIUS soft starter, S0, 38A.

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ManufacturerSiemens

Part number3RW4028-1BB15

Type Soft Starter

Manufacturer Siemens

Series SIRIUS

Size S0

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Soft starter functionality S0 size 38A rating 400-600V AC main voltage 110-230V AC/DC control voltage Screw terminals

Product description

The Siemens 3RW4028-1BB15 is a SIRIUS soft starter with a size S0 rating, capable of handling 38A and 22kW at 500V. It operates on a control voltage of 110-230V AC/DC and a power supply of 400-600V AC, featuring screw terminals for secure connections.

This soft starter is ideal for applications requiring smooth motor acceleration and deceleration, such as pumps, fans, and conveyors. It is commonly used in industrial automation, manufacturing, and process control environments to protect motors and reduce mechanical stress.

Stanlo Automation, a veteran-owned business, offers this Siemens soft starter. We provide reliable surplus industrial parts, ensuring quality and availability for your automation needs, backed by expert service.

Technical specifications

Type	Soft Starter
Manufacturer	Siemens
Series	SIRIUS
Size	S0
Current	38 A
Power	22 kW @ 500V
Voltage	400-600 V AC
Control Voltage	110-230 V AC/DC
Terminals	Screw

Common applications

Motor control

Pump applications

Fan control

Conveyor systems

Industrial machinery

Process automation

Compatible systems

Designed for use with standard AC induction motors. Compatible with various PLC systems and control panels that provide the specified control voltage.

Also known as

Siemens SIRIUS soft starter 3RW40 Soft starter 3RW4028 Siemens motor starter 3RW4028-1BB15

Replaces / compatible with

This soft starter is designed to replace direct-on-line starters for smoother motor starts, reducing mechanical and electrical stress. Consult the Siemens SIRIUS catalog for specific compatibility.

Technical note

Expert tip

Ensure proper heatsink and ambient temperature conditions are maintained as per the manufacturer's specifications to guarantee the rated current of 38A.

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Frequently asked questions

What is the control voltage range for the Siemens 3RW4028-1BB15 soft starter?

The Siemens 3RW4028-1BB15 soft starter operates with a control voltage range of 110-230V AC/DC. This allows for flexible integration into various control systems.