Siemens 3MT8025-1AC20 Contactor 25A/11kW, 400V, 24 VAC 50/60Hz Coil, S0 Original Brand New

Overview

The Siemens 3MT8025-1AC20 Contactor is a robust and efficient solution designed for reliable control of electrical loads in diverse industrial and commercial applications. Engineered for AC-3 utilization, this dependable 25A/11kW, 400V contactor ensures precise and safe power switching for various motors and inductive loads. With its versatile AC 24V, 50/60Hz coil and compact size S0, the Siemens 3MT8025-1AC20 is an ideal choice for control circuits where space optimization and dependable performance are critical. This model provides the essential switching function, allowing for flexible external auxiliary contact customization if required.

Key Features

• Optimized Current & Power Rating: Rated for 25A (AC-3) and capable of handling up to 11kW at 400V, making it perfectly suited for medium-duty motor control and general electrical loads.
• Versatile Coil Voltage: Equipped with an AC 24V, 50/60Hz coil, providing excellent compatibility with a wide variety of low-voltage control system designs and global power grid frequencies.
• Basic Configuration (Without Auxiliary Contacts): This contactor is supplied without built-in auxiliary contacts, offering a cost-effective base unit for applications where auxiliary contacts are either not required or can be flexibly added externally.
• Reliable 3-Pole Design: Ensures secure and efficient switching of three-phase power, essential for the dependable operation of industrial machinery.
• Compact Size S0: Designed with the S0 size to optimize panel space efficiency, making it perfectly suited for compact enclosures and distributed control systems.
• Secure Screw Terminals: Provides highly reliable, robust, and straightforward wiring connections via screw terminals, ensuring ease of installation and long-term stability in diverse applications.
• Siemens Quality & Durability: Manufactured by Siemens, guaranteeing a high standard of engineering, proven reliability, and extended operational life in typical industrial environments.

Function & Application

The primary function of the Siemens 3MT8025-1AC20 Contactor is to safely and effectively control electrical circuits for various industrial and commercial equipment. Its 3-pole configuration makes it an excellent choice for direct-on-line (DOL) starting and stopping of three-phase induction motors up to 11kW, as well as managing resistive or inductive loads within control systems. While this specific model is supplied without integrated auxiliary contacts, it provides a fundamental switching solution, allowing users to integrate external auxiliary blocks if more complex control logic or feedback is required. This industrial motor control component is widely used in applications such as:

• Small to medium-sized motor control panels
• Basic machine automation systems
• Heating elements and lighting control in industrial settings
• Pumping and fan systems for various loads
• Conveyor systems where basic on/off control is sufficient
• Building management systems for electrical loads
• Control circuits specifically designed for a 24 VAC supply, offering a tailored solution for safety or specific system designs.