Siemens 3RT2028-2AV00 SIRIUS Power Contactor, Size S0, 38A, 18.5kW, 400V AC, with Spring-Loaded Terminals Original Brand New

Overview

The Siemens 3RT2028-2AV00 is a high-performance power contactor from the trusted SIRIUS family of industrial control products. Engineered for reliability and efficiency, this 3-pole contactor is designed for switching and controlling electric motors and other loads up to 18.5 kW at 400 V.

Its compact Size S0 form factor makes it an ideal solution for space-constrained industrial panels and machinery. Featuring a durable 400 V AC, 50 Hz control coil and built-in 1 NO + 1 NC auxiliary contacts, it offers versatile functionality for a wide range of applications. The innovative spring-loaded terminals ensure fast, secure, and vibration-proof connections, significantly reducing installation time and maintenance efforts.

Key Benefit

• Exceptional Reliability: Part of the Siemens SIRIUS series, known for its robust construction and long service life in demanding industrial environments.
• Space-Saving Design: The compact Size S0 footprint allows for higher density installations, optimizing panel layout and reducing overall equipment size.
• Efficient Power Control: Rated for AC-3e/AC-3 operation, it reliably handles motor loads up to 38 A and 18.5 kW, ensuring stable and safe operation.
• Quick & Secure Installation: Spring-loaded terminals eliminate the need for specialized tools and screws, providing a fast, secure, and maintenance-free connection that is resistant to vibration.
• Integrated Auxiliary Contacts: The built-in 1 normally open (NO) and 1 normally closed (NC) auxiliary contacts provide essential feedback for control circuits and interlocking functions.
• Global Compatibility: Designed to meet international standards, making it suitable for use in diverse industrial applications worldwide.

Function & Application

The Siemens 3RT2028-2AV00 power contactor is primarily used for:

• Motor Control: Switching and controlling the start, stop, and direction of three-phase electric motors.
• Load Switching: Controlling resistive, inductive, and capacitive loads in various industrial and commercial systems.
• Automation Systems: Acting as a crucial component in control panels for pumps, fans, compressors, conveyors, and HVAC systems.
• Machinery & Equipment: Integrating into machine tools, packaging machinery, and other automated equipment to manage power flow.

Technical Specification

• Product Type: Power Contactor
• Siemens Part Number: 3RT2028-2AV00
• Series: SIRIUS 3RT2
• Size: S0
• Rated Operational Current (AC-3e/AC-3): 38 A
• Rated Power (AC-3e/AC-3, 400 V): 18.5 kW
• Number of Poles: 3-pole
• Control Supply Voltage: 400 V AC, 50 Hz
• Auxiliary Contacts: 1 NO + 1 NC
• Terminal Type: Spring-loaded terminals

For more our products visit turll