Siemens 3RT2027-2BB40-0CC0 SIRIUS Power Contactor, 32A, 15kW, 24V DC, S0, Spring-Loaded Terminal, Communication-Capable Original Brand New

Overview

The Siemens 3RT2027-2BB40-0CC0 is a high-performance SIRIUS power contactor designed for reliable switching of motors and other electrical loads. This compact and robust device, part of the SIRIUS 3RT2 series, is engineered for demanding industrial applications. It features a 3-pole design with an AC-3e/AC-3 rating of 32 A and 15 kW at 400 V, making it ideal for a wide range of motor control tasks. The integrated 24 V DC operating coil ensures low power consumption and reliable performance, even in environments with voltage fluctuations. With its communication capability and spring-loaded terminals, this contactor offers quick and easy integration into modern automation systems.

Key Features & Benefit

• High Performance: Rated for 32 A and 15 kW at 400 V, providing reliable control for various motor sizes.
• Energy Efficient: The 24 V DC operating coil minimizes power consumption and heat generation.
• Quick Installation: Spring-loaded terminals allow for fast, secure, and vibration-resistant wiring, reducing installation time and maintenance costs.
• Enhanced Connectivity: Communication-capable design enables seamless integration with control systems via a communication module (sold separately), offering remote monitoring and diagnostics.
• Built-in Safety: Includes one normally open (1 NO) and one normally closed (1 NC) auxiliary contact for feedback and interlocking circuits, enhancing system safety and control.
• Compact Design: Size S0 form factor saves valuable space in control cabinets and enclosures.
• Durability: Engineered for a long service life and high mechanical endurance, reducing the need for frequent replacements.

Function

• Motor Switching: Efficiently switches three-phase motors and other AC loads.
• Remote Control: Can be controlled remotely via the 24 V DC coil.
• Feedback & Interlocking: The auxiliary contacts provide crucial feedback on the contactor’s status and can be used for safety interlocking circuits to prevent unintended operation.
• Integration with Automation: Its communication capability allows it to be a key component in intelligent control systems (e.g., Profinet, IO-Link).

Technical Specification

• Product Type: Power Contactor
• Product Number: 3RT2027-2BB40-0CC0
• Series: SIRIUS 3RT2
• Rated Operational Current (AC-3e/AC-3): 32 A
• Rated Operational Power (AC-3): 15 kW @ 400 V
• Number of Poles: 3-pole
• Control Supply Voltage: 24 V DC
• Auxiliary Contacts: 1 NO + 1 NC
• Termination Type: Spring-loaded terminal
• Size: S0
• Communication: Communication-capable (via optional module)
• Mounting: Standard rail or screw mounting
• Operating Temperature: -25°C to +60°C

Application

• Industrial automation and control
• Motor starters and motor control centers (MCCs)
• Pump and fan control
• Heating, ventilation, and air conditioning (HVAC) systems
• Conveyor systems
• General industrial machinery

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