Home › Manufacturers › Siemens › 3RW4028-2BB14

Siemens

Siemens 3RW4028-2BB14 SIZER S0 Soft Starter

Siemens 3RW4028-2BB14 SIRIUS S0 soft starter.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerSiemens

Part number3RW4028-2BB14

Rated operational current 38 A

Motor power 18.5 kW at 400V

Voltage (main circuit) 200-480 V AC

Voltage (control circuit) 110-230 V AC/DC

Get a price for 3RW4028-2BB14

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

Smooth motor start/stop Reduces mechanical stress Lowers inrush current Wide voltage range Spring-type terminals Compact design

Product description

The Siemens 3RW4028-2BB14 is a SIRIUS S0 soft starter designed for smooth motor acceleration and deceleration. It features a rated operational current of 38 A and supports motor power ratings up to 18.5 kW at 400V. The device operates within a wide voltage range of 200-480V AC for the main circuit and 110-230V AC/DC for the control circuit, utilizing convenient spring-type terminals for easy connection.

This soft starter is ideal for applications requiring reduced mechanical stress on machinery and lower inrush currents, such as conveyor systems, pump controls, and fan applications. Its compact design and reliable performance make it suitable for various industrial automation environments where motor control is critical.

Source your Siemens 3RW4028-2BB14 soft starter from Stanlo Automation, a veteran-owned business specializing in surplus industrial parts. We ensure quality and availability for your automation needs.

Technical specifications

Rated operational current	38 A
Motor power	18.5 kW at 400V
Voltage (main circuit)	200-480 V AC
Voltage (control circuit)	110-230 V AC/DC
Terminal type	Spring-type
Size	S0

Common applications

Motor control

Pump control

Fan control

Conveyor systems

Industrial machinery

Automation

Compatible systems

General purpose motor control

Also known as

Siemens SIRIUS 3RW40 3RW40 soft starter S0 soft starter

Technical note

Expert tip

Ensure proper wiring to the spring-type terminals for a secure and reliable connection.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What are the main voltage ranges for the Siemens 3RW4028-2BB14 soft starter?

The Siemens 3RW4028-2BB14 operates with a main circuit voltage range of 200-480V AC and a control circuit voltage range of 110-230V AC/DC.