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Siemens 3RT2028-1BB40

SKU: 3RT2028-1BB40
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Siemens 3RT2028-1BB40 | SIRIUS 3-Pole Power Contactor – 40A, 24V DC Coil, Size S0, 3NO

Overview

The Siemens 3RT2028-1BB40 is a SIRIUS 3-pole contactor designed for switching motors and resistive loads in industrial control systems. It supports up to 40A (AC-3 duty) and motors up to 18.5 kW at 400V, making it ideal for high-demand applications. Equipped with a 24V DC coil and screw terminals, this size S0 contactor offers reliability, compactness, and ease of wiring.

Key Features

  • Rated Current (AC-3): 40A

  • Motor Rating: Up to 18.5 kW @ 400V

  • Control Voltage: 24V DC

  • Main Contacts: 3NO (3 normally open)

  • Mounting: DIN rail or panel mount

  • Terminal Type: Screw terminals

  • Size: S0

  • Enclosure Rating: IP20

  • Switching Capacity: High durability and performance in AC-3 and AC-1 applications

Technical Specifications

  • Part Number: 3RT2028-1BB40

  • Series: SIRIUS 3RT2

  • Rated Operating Voltage: Up to 690V AC

  • Mechanical Life: Up to 10 million operations

  • Electrical Life (AC-3): Up to 1 million operations

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

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

Applications

  • Motor starters and reversing starters

  • Pumps, compressors, and HVAC systems

  • Conveyors, mixers, and fans

  • Control cabinets in automation systems

  • Switching of resistive and inductive loads

Why Choose the 3RT2028-1BB40?

  • High Switching Capacity: Handles 40A AC-3 for demanding loads

  • Compact Design: Size S0 fits in space-constrained panels

  • Reliable Siemens Build: Proven durability in industrial environments

  • Quick Installation: Screw terminals and DIN rail mounting

  • Modular System: Compatible with SIRIUS overload relays and auxiliaries

Order Now

The Siemens 3RT2028-1BB40 contactor is in stock and 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 3RT2028-1BB40 | SIRIUS 3-Pole Power Contactor – 40A, 24V DC Coil, Size S0, 3NO

Overview

The Siemens 3RT2028-1BB40 is a SIRIUS 3-pole contactor designed for switching motors and resistive loads in industrial control systems. It supports up to 40A (AC-3 duty) and motors up to 18.5 kW at 400V, making it ideal for high-demand applications. Equipped with a 24V DC coil and screw terminals, this size S0 contactor offers reliability, compactness, and ease of wiring.

Key Features

  • Rated Current (AC-3): 40A

  • Motor Rating: Up to 18.5 kW @ 400V

  • Control Voltage: 24V DC

  • Main Contacts: 3NO (3 normally open)

  • Mounting: DIN rail or panel mount

  • Terminal Type: Screw terminals

  • Size: S0

  • Enclosure Rating: IP20

  • Switching Capacity: High durability and performance in AC-3 and AC-1 applications

Technical Specifications

  • Part Number: 3RT2028-1BB40

  • Series: SIRIUS 3RT2

  • Rated Operating Voltage: Up to 690V AC

  • Mechanical Life: Up to 10 million operations

  • Electrical Life (AC-3): Up to 1 million operations

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

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

Applications

  • Motor starters and reversing starters

  • Pumps, compressors, and HVAC systems

  • Conveyors, mixers, and fans

  • Control cabinets in automation systems

  • Switching of resistive and inductive loads

Why Choose the 3RT2028-1BB40?

  • High Switching Capacity: Handles 40A AC-3 for demanding loads

  • Compact Design: Size S0 fits in space-constrained panels

  • Reliable Siemens Build: Proven durability in industrial environments

  • Quick Installation: Screw terminals and DIN rail mounting

  • Modular System: Compatible with SIRIUS overload relays and auxiliaries

Order Now

The Siemens 3RT2028-1BB40 contactor is in stock and 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 3RT2028-1BB40

Siemens 3RT2028-1BB40

$250.00
Add to wishlist
Siemens 3RT2028-1BB40

Siemens 3RT2028-1BB40

Your Price:
$250.00
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