Siemens SIRIUS 3RT2028-2BB40-0CC0 Power Contactor S0, 3-Pole, 38A, 24V DC Original Brand New

Overview

The Siemens SIRIUS 3RT2028-2BB40-0CC0 is a high-performance, communication-capable power contactor from the trusted SIRIUS modular system. Designed for reliable switching of motors and other resistive loads, this Size S0 contactor is engineered for efficiency and durability in industrial automation and control applications.

With a rated operational current of 38 A for AC-3e/AC-3 applications and a power rating of 18.5 kW at 400 V, it provides robust performance for demanding tasks. The integrated 24 V DC coil ensures low power consumption and reliable operation, while the spring-loaded terminals offer fast, secure, and vibration-resistant wiring.

Key Benefit

• Communication-Capable: The integrated communication interface allows for seamless integration into industrial automation networks, enabling remote monitoring, diagnostics, and control for enhanced efficiency and predictive maintenance.
• High Performance & Reliability: Built with Siemens’ renowned quality, this contactor provides reliable switching performance for AC-3e and AC-3 applications, ensuring long-term operational stability.
• Space-Saving Design: The compact Size S0 form factor allows for efficient use of panel space, making it ideal for high-density control cabinets.
• Fast and Secure Wiring: The innovative spring-loaded terminals (push-in terminals) reduce wiring time significantly and provide a maintenance-free connection that is resistant to vibration, ensuring a robust and reliable electrical connection.
• Versatile Auxiliary Contacts: Features one normally open (1 NO) and one normally closed (1 NC) auxiliary contact, providing flexibility for signaling, interlocking, and control circuit applications.
• Energy Efficient: The 24 V DC coil design minimizes power consumption, contributing to lower operating costs and reduced heat generation within the control cabinet.

Technical Function

• Product Type: Power Contactor
• Product Series: Siemens SIRIUS 3RT2
• Part Number: 3RT2028-2BB40-0CC0
• Rated Operational Current (AC-3e/AC-3): 38 A
• Power Rating (AC-3): 18.5 kW @ 400 V
• Number of Poles: 3-pole
• Operating Coil Voltage: 24 V DC
• Auxiliary Contacts: 1 NO + 1 NC
• Terminal Type: Spring-loaded (Push-in) Terminal
• Frame Size: S0
• Communication Capability: Yes
• Mounting: Standard DIN rail or screw mounting
• Application: Ideal for switching motors, compressors, fans, and other industrial loads in various automation systems.

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