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Siemens 3RW4028-1BB14 soft starter, 57A, 400V, 24V AC/DC control, Size S2, with bypass, IP20, for smooth motor start and stop applications.

Siemens 3RW4028-1BB14

SKU: 3RW4028-1BB14
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$1,720.00
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Siemens 3RW4028-1BB14 | SIRIUS 57A Soft Starter with 24V Control for Smooth Motor Starting

Overview

The Siemens 3RW4028-1BB14 is a solid-state soft starter from the SIRIUS 3RW40 series, designed to reduce mechanical stress and inrush current when starting three-phase motors up to 30 kW (at 400V). It supports a rated operational current of 57A, operates on a 400V AC main circuit, and uses a 24V AC/DC control voltage. The device features an integrated bypass contactor for energy-efficient operation and Size S2 housing for panel-mounted systems.

Key Features

  • Rated Operational Current: 57A (AC-53a)

  • Rated Operational Voltage: 3AC 400V

  • Motor Rating (400V): Up to 30 kW

  • Control Voltage: 24V AC/DC

  • Start/Stop Functions: Soft start, soft stop

  • Bypass Contactor: Built-in for reduced heat dissipation

  • Motor Protection: Adjustable overload trip class

  • Enclosure Type: IP20

  • Mounting: DIN rail or screw mounting (Size S2)

Technical Specifications

  • Catalog Number: 3RW4028-1BB14

  • Series: SIRIUS 3RW40

  • Utilization Category: AC-53a

  • Adjustable Parameters: Ramp time, starting voltage, current limit

  • Ambient Temperature: -25°C to +60°C

  • Dimensions (HxWxD): Approx. 145 × 90 × 165 mm

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

  • Connection Type: Screw terminals

Applications

  • Pumps and compressors

  • Fans and blowers

  • Conveyor systems

  • HVAC equipment

  • Machine tools and mixers

Why Choose the 3RW4028-1BB14?

  • Smooth Motor Starting: Reduces mechanical stress and wear

  • Built-in Bypass: Enhances efficiency and reduces panel heat

  • Compact Size: Size S2 footprint saves control cabinet space

  • Reliable Siemens Quality: Trusted for industrial use

  • Versatile Control: Accepts 24V AC/DC logic signals

Order Now

The Siemens 3RW4028-1BB14 soft starter is available for global 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 3RW4028-1BB14 | SIRIUS 57A Soft Starter with 24V Control for Smooth Motor Starting

Overview

The Siemens 3RW4028-1BB14 is a solid-state soft starter from the SIRIUS 3RW40 series, designed to reduce mechanical stress and inrush current when starting three-phase motors up to 30 kW (at 400V). It supports a rated operational current of 57A, operates on a 400V AC main circuit, and uses a 24V AC/DC control voltage. The device features an integrated bypass contactor for energy-efficient operation and Size S2 housing for panel-mounted systems.

Key Features

  • Rated Operational Current: 57A (AC-53a)

  • Rated Operational Voltage: 3AC 400V

  • Motor Rating (400V): Up to 30 kW

  • Control Voltage: 24V AC/DC

  • Start/Stop Functions: Soft start, soft stop

  • Bypass Contactor: Built-in for reduced heat dissipation

  • Motor Protection: Adjustable overload trip class

  • Enclosure Type: IP20

  • Mounting: DIN rail or screw mounting (Size S2)

Technical Specifications

  • Catalog Number: 3RW4028-1BB14

  • Series: SIRIUS 3RW40

  • Utilization Category: AC-53a

  • Adjustable Parameters: Ramp time, starting voltage, current limit

  • Ambient Temperature: -25°C to +60°C

  • Dimensions (HxWxD): Approx. 145 × 90 × 165 mm

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

  • Connection Type: Screw terminals

Applications

  • Pumps and compressors

  • Fans and blowers

  • Conveyor systems

  • HVAC equipment

  • Machine tools and mixers

Why Choose the 3RW4028-1BB14?

  • Smooth Motor Starting: Reduces mechanical stress and wear

  • Built-in Bypass: Enhances efficiency and reduces panel heat

  • Compact Size: Size S2 footprint saves control cabinet space

  • Reliable Siemens Quality: Trusted for industrial use

  • Versatile Control: Accepts 24V AC/DC logic signals

Order Now

The Siemens 3RW4028-1BB14 soft starter is available for global 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 3RW4028-1BB14

Siemens 3RW4028-1BB14

$1,720.00
Add to wishlist
Siemens 3RW4028-1BB14

Siemens 3RW4028-1BB14

Your Price:
$1,720.00
Item Added to Your Cart
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