Siemens SIRIUS 3RT2025-1BB40-1AA0 Power Contactor Size S0, 17A, 24V DC Coil, 1 NO + 1 NC Auxiliary Contacts Original Brand New

Overview

The Siemens SIRIUS 3RT2025-1BB40-1AA0 is a high-performance power contactor designed for robust switching of motors and other electrical loads. As part of the SIRIUS modular system, this contactor offers exceptional reliability, long service life, and a compact design, making it ideal for a wide range of industrial applications. With a size S0 frame, it provides a powerful solution in a space-saving footprint. This model features a 24V DC coil for efficient and precise control, along with integrated 1 NO + 1 NC auxiliary contacts for versatile monitoring and control circuits. The screw terminals ensure secure and reliable electrical connections.

Key Benefit

• Reliable Performance: Engineered for high-stress applications, ensuring long-term operational stability and reduced downtime.
• Space-Saving Design: The compact Size S0 frame allows for efficient use of panel space, especially in crowded industrial cabinets.
• Versatile Functionality: Suitable for both AC-3e and AC-3 applications, covering a wide range of motor switching needs.
• Integrated Auxiliary Contacts: The built-in 1 normally open (NO) and 1 normally closed (NC) contact streamline wiring and provide essential feedback for control systems.
• Global Standard Compliance: Meets international standards (IEC, UL, CSA), ensuring its suitability for use worldwide.
• Efficient Coil Operation: The 24V DC coil offers low power consumption and reliable switching performance.

Technical Specification

• Product Type: Power Contactor
• Product Series: SIRIUS 3RT20
• Product Number: 3RT2025-1BB40-1AA0
• Application: AC-3e/AC-3 motor switching
• Rated Operational Current (AC-3): 17 A (at 400 V)
• Rated Power (AC-3): 7.5 kW (at 400 V)
• Number of Poles: 3-pole
• Control Supply Voltage (Coil): 24 V DC
• Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
• Termination Type: Screw Terminal
• Size: S0
• Mounting Position: Upright
• Operating Temperature: -25 to +60°C

Application

The Siemens 3RT2025-1BB40-1AA0 is perfectly suited for controlling and switching:

• Standard and high-efficiency motors
• Pumps and compressors
• Fans and ventilation systems
• Heating and lighting circuits
• General industrial machinery

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