Siemens 3MT8018-1AV00 Contactor 18A/7.5kW, 400V AC Coil, 50Hz, S0 Screw Terminal Original Brand New

Overview

The Siemens 3MT8018-1AV00 Contactor is a reliable and efficient switching device designed for various industrial and commercial electrical applications, particularly in regions with 50Hz power grids like Indonesia. This high-quality 18A/7.5kW, 400V contactor is ideal for AC-3 utilization, ensuring precise and safe control of electric motors and other inductive loads. Featuring an AC 400V, 50Hz coil and a compact size S0 design, the Siemens 3MT8018-1AV00 offers robust performance and straightforward integration into existing control panels.

Key features:

• Optimized Current & Power Rating: Rated for 18A (AC-3) and capable of handling up to 7.5kW at 400V, making it perfectly suited for medium-duty motor control applications and other standard industrial loads.
• Direct 400V AC Coil: Equipped with an AC 400V, 50Hz coil, allowing for direct operation from the main supply voltage, simplifying wiring in specific control schemes.
• Basic Configuration (Without Auxiliary Contacts): This contactor comes without built-in auxiliary contacts, providing a cost-effective solution for applications where auxiliary contacts are not required or are to be added externally as separate modules.
• Reliable 3-Pole Design: Ensures secure and efficient switching of three-phase power, essential for the dependable operation of industrial machinery.
• Compact Size S0: Optimized dimensions for efficient panel space utilization, making it an excellent choice for installations with limited enclosure room.
• Secure Screw Terminals: Provides highly reliable, robust, and straightforward wiring connections, ensuring ease of installation and long-term stability in industrial environments.
• Siemens Quality & Durability: Manufactured by Siemens, guaranteeing a high standard of engineering, proven reliability, and extended operational life in demanding industrial settings.

Function & Application:

The primary function of the Siemens 3MT8018-1AV00 Contactor is to safely and effectively switch high-power electrical circuits. Its 3-pole configuration makes it an excellent choice for direct-on-line (DOL) starting and stopping of three-phase induction motors, as well as managing resistive or inductive loads within various systems. While this model comes without integrated auxiliary contacts, it is designed for scenarios where only power switching is needed or where auxiliary functions are handled by separate, external modules. This allows for tailored and flexible system designs. This industrial electrical contactor is widely used in applications such as:

• Small to medium-sized motor control panels (especially where auxiliary contacts are not primary)
• Basic lighting and heating control in industrial settings
• Pumping and fan systems where simple ON/OFF control is sufficient
• General machinery automation without complex interlocking requirement
• Control panels in areas with a stable 400V AC, 50Hz power supply