Siemens 3RT7027-1AG25 Contactor 32A, 15kW, 400V, 1NO+1NC, AC 110V Coil, Size S0 Original Brand New

Overview

The Siemens 3RT7027-1AG25 is a high-performance contactor from the SIRIUS line, designed for reliable switching of three-phase motors and other electrical loads up to 32A. With a rated operational power of 15kW at 400V (AC-3), this compact and robust device is perfect for industrial automation, motor control applications, and general power switching tasks. Its size S0 form factor ensures space-saving installation in control cabinets, while the integrated 1NO (normally open) and 1NC (normally closed) auxiliary contacts provide essential feedback and interlocking capabilities. The contactor is equipped with a versatile AC 110V 50/60Hz coil, making it suitable for a wide range of global applications. The secure screw terminals guarantee a reliable and straightforward electrical connection.

Key Features

• High Performance: Rated for 32A (AC-3) and 15kW at 400V.
• Compact Design: Size S0 for space-efficient installation.
• Integrated Auxiliary Contacts: Includes 1 Normally Open (1NO) and 1 Normally Closed (1NC) contact.
• Wide Voltage Range: AC 110V 50/60Hz coil for global compatibility.
• Secure Connection: Reliable screw terminals for easy and safe wiring.
• Durable Construction: Built with high-quality materials for long-term reliability.
• Brand Trust: Part of the renowned Siemens SIRIUS modular system.

Benefit

• Enhanced Productivity: Provides reliable motor and load switching, minimizing downtime.
• Simplified Integration: Its compact design and integrated auxiliary contacts streamline the installation and design process.
• Versatile Application: Ideal for a variety of industrial uses, from motor starters to power distribution.
• Cost-Effective: Long operational life and high reliability reduce maintenance and replacement costs.
• Safety and Compliance: Designed to meet international standards for industrial control gear, ensuring safe operation.

Function

The Siemens 3RT7027-1AG25 contactor’s primary function is to remotely and automatically switch an electrical power circuit. It acts as an electromechanical switch that can be controlled by a low-power signal (the 110V AC coil). The main power contacts (the 32A/15kW poles) are used to start and stop motors, heaters, lighting systems, and other heavy loads. The auxiliary contacts (1NO+1NC) provide additional functionality, such as signaling the contactor’s status to a PLC (Programmable Logic Controller) or other control systems, or to create interlocking circuits to prevent simultaneous operation of two devices.

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