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Siemens 3RW4028-1BB04 soft starter, 110A, 55 kW @ 400V, 24V AC/DC control, 3-phase, Size S6, IP20, screw terminals for industrial motor applications.

Siemens 3RW4028-1BB04

SKU: 3RW4028-1BB04
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$1,100.00
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Siemens 3RW4028-1BB04 | SIRIUS 3RW40 Soft Starter – 110A, 55 kW, 24V AC/DC Control, Size S6

Overview

The Siemens 3RW4028-1BB04 is a SIRIUS 3RW40 soft starter designed for three-phase motors up to 55 kW (400V). With a rated operational current of 110A, it offers smooth motor startup and shutdown, reducing mechanical stress and extending motor life. This model operates with a 24V AC/DC control voltage, features screw terminals, and comes in a Size S6 frame with an IP20 protection rating.

Key Features

  • Rated Operating Current: 110A

  • Motor Power Rating: 55 kW @ 400V (AC-53a)

  • Control Voltage: 24V AC/DC

  • Rated Operating Voltage: 200–480V AC, 3-phase

  • Start/Stop Control: Voltage ramp, current limiting, adjustable parameters

  • Integrated Bypass Contact System: Reduces power loss and heat generation

  • Mounting: Panel mounting with screw terminals

  • Protection Class: IP20

  • Frame Size: S6

Technical Specifications

  • Part Number: 3RW4028-1BB04

  • Series: SIRIUS 3RW40

  • Control Inputs: Start/stop digital input

  • Ambient Operating Temp: –25°C to +60°C (derating above 40°C)

  • Dimensions (HxWxD): Approx. 325 × 140 × 170 mm

  • Certifications: CE, UL, cULus, EAC, RoHS

  • Application Category: AC-53a (for squirrel cage motors)

Applications

  • Pumps and compressors

  • Fans and blowers

  • Conveyors and mixers

  • HVAC systems

  • Industrial equipment requiring reduced inrush current

Why Choose the 3RW4028-1BB04?

  • High Capacity: Supports motors up to 55 kW

  • Soft Start & Stop: Reduces mechanical and electrical stress

  • Built-In Bypass: Increases efficiency and reduces heat

  • Reliable Control: 24V AC/DC input for flexible integration

  • Proven Siemens Quality: Robust design for industrial environments

Order Now

The Siemens 3RW4028-1BB04 soft starter is in stock and ready for worldwide shipping.

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.
1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.
Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.

Description

Siemens 3RW4028-1BB04 | SIRIUS 3RW40 Soft Starter – 110A, 55 kW, 24V AC/DC Control, Size S6

Overview

The Siemens 3RW4028-1BB04 is a SIRIUS 3RW40 soft starter designed for three-phase motors up to 55 kW (400V). With a rated operational current of 110A, it offers smooth motor startup and shutdown, reducing mechanical stress and extending motor life. This model operates with a 24V AC/DC control voltage, features screw terminals, and comes in a Size S6 frame with an IP20 protection rating.

Key Features

  • Rated Operating Current: 110A

  • Motor Power Rating: 55 kW @ 400V (AC-53a)

  • Control Voltage: 24V AC/DC

  • Rated Operating Voltage: 200–480V AC, 3-phase

  • Start/Stop Control: Voltage ramp, current limiting, adjustable parameters

  • Integrated Bypass Contact System: Reduces power loss and heat generation

  • Mounting: Panel mounting with screw terminals

  • Protection Class: IP20

  • Frame Size: S6

Technical Specifications

  • Part Number: 3RW4028-1BB04

  • Series: SIRIUS 3RW40

  • Control Inputs: Start/stop digital input

  • Ambient Operating Temp: –25°C to +60°C (derating above 40°C)

  • Dimensions (HxWxD): Approx. 325 × 140 × 170 mm

  • Certifications: CE, UL, cULus, EAC, RoHS

  • Application Category: AC-53a (for squirrel cage motors)

Applications

  • Pumps and compressors

  • Fans and blowers

  • Conveyors and mixers

  • HVAC systems

  • Industrial equipment requiring reduced inrush current

Why Choose the 3RW4028-1BB04?

  • High Capacity: Supports motors up to 55 kW

  • Soft Start & Stop: Reduces mechanical and electrical stress

  • Built-In Bypass: Increases efficiency and reduces heat

  • Reliable Control: 24V AC/DC input for flexible integration

  • Proven Siemens Quality: Robust design for industrial environments

Order Now

The Siemens 3RW4028-1BB04 soft starter is in stock and ready for worldwide shipping.

Condition

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.

Warranty

1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.

Disclaimer

Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.
Siemens 3RW4028-1BB04

Siemens 3RW4028-1BB04

$1,100.00
Add to wishlist
Siemens 3RW4028-1BB04

Siemens 3RW4028-1BB04

Your Price:
$1,100.00
Item Added to Your Cart
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