Siemens 3RT2028-1AG24 SIRIUS Power Contactor, 3-Pole, 38A, 18.5kW, 110V AC Coil, 2 NO + 2 NC Aux Contacts, S0 Size Original Brand New

Overview

The Siemens 3RT2028-1AG24 SIRIUS is a high-performance power contactor designed for reliable switching of motors and other electrical loads. Part of the trusted SIRIUS 3RT2 series, this 3-pole contactor is built for durability and efficiency in demanding industrial environments.

It features a compact S0 size, making it ideal for space-constrained applications. With its 110 V AC operating coil and comprehensive auxiliary contacts (2 NO + 2 NC), it offers exceptional versatility and control for a wide range of machinery and systems. The integrated screw terminals ensure a secure and straightforward connection, while the removable auxiliary switch allows for flexible configuration and easy maintenance.

Key Features & Benefit

• High Performance: Rated for AC-3e/AC-3 operation at 38 A and 18.5 kW at 400 V, providing robust performance for motor control applications.
• Versatile Control: Equipped with a 110 V AC, 50/60 Hz coil for common industrial power supplies.
• Enhanced Functionality: Includes two normally open (2 NO) and two normally closed (2 NC) auxiliary contacts, offering flexible control and feedback options.
• Compact Design: The S0 size frame optimizes panel space, allowing for higher density installations.
• Reliable Connections: Features durable screw terminals for a secure and vibration-resistant connection, ensuring long-term operational integrity.
• Modular & Removable: The removable auxiliary switch provides flexibility for adding or changing configurations without rewiring the main contacts.
• Global Standards: Complies with a wide range of international standards, including IEC and UL, ensuring suitability for global deployment.
• Long Service Life: Engineered for mechanical and electrical durability, minimizing downtime and maintenance costs.

Function

The Siemens 3RT2028-1AG24 serves as a primary switching device for electrical loads. Its main functions include:

• Motor Control: Starting, stopping, and reversing three-phase motors.
• Load Switching: Switching various resistive, inductive, and capacitive loads.
• Automation Integration: Interfacing with PLCs, relays, and other control systems using its integrated auxiliary contacts.
• Safety & Protection: Working in conjunction with overload relays to provide comprehensive motor protection.

Technical Specification

• Product Number: 3RT2028-1AG24
• Contactor Type: Power Contactor
• Number of Poles: 3
• Operating Current (AC-3e/AC-3): 38 A
• Rated Power (AC-3e/AC-3): 18.5 kW @ 400 V
• Coil Voltage: 110 V AC, 50/60 Hz
• Auxiliary Contacts: 2 NO + 2 NC
• Connection Type: Screw Terminal
• Size: S0
• Additional Features: Removable auxiliary switch

For more products from our Siemens SIRIUS range and other industrial automation solutions, visit Turll.