Siemens 3RT2028-2AP04 Contactor 38A, 18.5kW, 230V AC, Spring-Loaded Original Brand New

Overview

The Siemens 3RT2028-2AP04 is a high-performance power contactor designed for reliable switching of motors and electrical loads. Belonging to the renowned SIRIUS series, this 3-pole contactor supports up to 38 A in AC-3 applications, with a power rating of 18.5 kW at 400V. It is built for demanding industrial environments, ensuring efficient motor control with minimal maintenance.

Equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, it offers flexible control circuit integration. Its spring-loaded terminals provide secure and vibration-resistant connections, ideal for high-vibration applications. The removable auxiliary switch allows for easy expansion and customization.

Key Benefit

• High Performance: Supports up to 38 A for reliable motor control in AC-3 and AC-3e applications.

• Compact Size: S0 frame size saves panel space without compromising functionality.

• Versatile Auxiliary Contacts: Comes with 2NO + 2NC for flexible control logic.

• Secure Connections: Spring-loaded terminals for quick and vibration-proof wiring.

• Removable Auxiliary Switch: Easily adaptable for various control configurations.

• Energy Efficient: Operates at 230V AC, 50 Hz — ideal for standard power systems.

• Durable and Reliable: Engineered by Siemens for long-lasting industrial use.

Function

The Siemens 3RT2028-2AP04 functions as a reliable switching device for electrical circuits, primarily used for:

1. Starting, Stopping, and Reversing three-phase AC motors up to 18.5 kW
2. Switching resistive loads (in conjunction with appropriate accessories).
3. Controlling other electrical equipment where frequent switching operations are required.

For more of our comprehensive range of industrial automation products, visit Turll.