Siemens 3MT8018-1AM03 Contactor 18A, 7.5kW, 400V, 220V AC Coil, S0 Size Original Brand New

Overview

Siemens 3MT8018-1AM03 is a robust and reliable 3-pole AC-3 contactor, meticulously engineered for efficient control of squirrel-cage motors and other inductive loads up to 7.5kW at 400V. Designed for industrial applications, this compact Size S0 contactor features a 220V AC, 50Hz coil and includes one normally open (1NO) and one normally closed (1NC) auxiliary contact, providing versatile signaling and interlocking capabilities. Its screw terminals ensure secure and straightforward wiring, making it an ideal choice for a wide range of motor starting and control circuits where space-saving and dependable performance are crucial.

Key Features:

• High Performance AC-3 Rating: Specifically designed for switching squirrel-cage motors, ensuring safe and efficient operation under normal starting and stopping conditions.
• Optimal Power Handling: Rated for 18A current and 7.5kW power at 400V, suitable for medium-duty motor applications.
• Integrated Auxiliary Contacts: Comes with 1 Normally Open (1NO) and 1 Normally Closed (1NC) auxiliary contact for flexible control circuit integration, status indication, and interlocking.
• Versatile Coil Voltage: Operates with a standard 220V AC, 50Hz control voltage, compatible with common industrial power supplies in Indonesia and many other regions.
• Compact S0 Size: Space-saving design for efficient panel layout and installation in electrical enclosures.
• Secure Screw Terminals: Provides reliable and robust electrical connections, simplifying installation and maintenance.
• 3-Pole Configuration: Ideal for controlling three-phase electrical loads.
• Siemens Quality: Manufactured by Siemens, a global leader in industrial automation, ensuring high standards of reliability, durability, and performance.

Function

Siemens 3MT8018-1AM03 contactor serves as an electrically operated switch, primarily used to remotely switch on and off three-phase electrical motors. When the 220V AC coil is energized, it closes the main contacts, allowing power to flow to the connected motor. Conversely, when the coil is de-energized, the main contacts open, interrupting the power supply. The integrated 1NO and 1NC auxiliary contacts change their state concurrently with the main contacts, enabling various control functions such as:

• Motor Starting and Stopping: Direct control of motor operation.
• Interlocking: Preventing simultaneous operation of conflicting equipment.
• Status Indication: Providing signals to control systems or indicator lights when the contactor is energized or de-energized.
• Control Circuit Integration: Expanding the control possibilities within electrical panels and automation systems.