Siemens 3RT2023-1BM40 SIRIUS 3RT2 Contactor 9A, 4kW, 220V DC Coil, Size S0 Original Brand New

Overview

The Siemens 3RT2023-1BM40 is a high-performance power contactor from the SIRIUS 3RT2 series, engineered for reliable switching of motors and other industrial loads. This robust 3-pole contactor is designed for AC-3e/AC-3 applications, offering a rated operational current of 9 A at 400 V and a rated operational power of 4 kW.

Its compact Size S0 form factor makes it ideal for space-constrained installations, while the integrated 1 normally open (NO) and 1 normally closed (NC) auxiliary contacts provide versatile control options. The 220 V DC coil ensures reliable operation, and the user-friendly screw terminals simplify wiring and maintenance. As part of the SIRIUS modular system, the 3RT2023-1BM40 seamlessly integrates with other Siemens control products, delivering a comprehensive and efficient solution for your industrial automation needs.

Benefit

• High Reliability: Built with high-quality materials and Siemens’ renowned engineering, this contactor ensures long-term, reliable performance in demanding industrial environments.
• Space-Saving Design: The compact Size S0 housing allows for high-density panel layouts, reducing overall cabinet size and cost.
• Versatile Control: The integrated 1 NO + 1 NC auxiliary contacts provide flexible options for interlocking, signaling, and control circuit applications.
• Energy Efficiency: The 220 V DC coil offers low power consumption, contributing to energy savings and reduced heat generation.
• Easy Installation: Screw terminals provide a secure and straightforward connection, speeding up installation and maintenance tasks.
• System Integration: Part of the Siemens SIRIUS modular system, this contactor is designed for seamless integration with a wide range of accessories and other control devices.

Function

The Siemens 3RT2023-1BM40 functions as an electromechanical switch. When the 220 V DC control voltage is applied to the coil, it generates a magnetic field that closes the main power contacts. This allows the flow of current to the connected load, such as a motor. When the control voltage is removed, the magnetic field collapses, and the contacts open, interrupting the power supply. The integrated auxiliary contacts operate simultaneously with the main contacts, providing status feedback to the control system (e.g., to indicate whether the contactor is open or closed).

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