Siemens 3MT8040-1AV03 AC-3 Contactor 40A, 18.5kW, 400V, S2 Size Original Brand New

Overview

The Siemens 3MT8040-1AV03 is a high-performance AC-3 contactor designed for reliable switching of resistive and inductive loads in industrial and commercial applications. As part of Siemens' trusted contactor series, this model ensures efficient and safe operation of motors, heating elements, and other electrical equipment. Its robust construction and adherence to international standards make it an ideal choice for demanding environments.

Key Features

• AC-3 Rating: Specifically designed for switching squirrel-cage motors during operation, handling currents up to 40A and power up to 18.5kW at 400V.
• Auxiliary Contacts: Includes 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contact for enhanced control and signaling.
• Coil Voltage: Operates with a 400VAC, 50 Hz coil, ensuring compatibility with common industrial power supplies.
• 3-Pole Design: Provides robust three-phase switching capabilities.
• Size S2: Compact yet powerful, the S2 frame size offers a balance of performance and space efficiency.
• Screw Terminals: Equipped with reliable screw terminals for secure and straightforward wiring.

Function

The Siemens 3MT8040-1AV03 contactor primarily functions as an electrically operated switch for controlling power circuits. It is commonly used for:

• Starting and stopping electric motors.
• Controlling heating, lighting, and other resistive loads.
• Implementing remote control and automation in various industrial processes.
• Protecting equipment from overcurrents when integrated with appropriate protective devices.

Benefit

• Reliable Performance: Siemens' reputation for quality ensures long-term operational stability and reduced downtime.
• Enhanced Safety: Provides a secure method for switching high-power circuits, contributing to a safer working environment.
• Versatile Application: Suitable for a wide range of industrial and commercial uses, from manufacturing to building automation.
• Easy Installation: Screw terminals simplify wiring, leading to quicker and more efficient installation.
• Space-Efficient Design: The S2 size allows for flexible integration into control panels and electrical enclosures.
• Global Compliance: Manufactured to meet stringent international standards, guaranteeing broad applicability and acceptance.

Application

• Motor control centers (MCC)
• Industrial automation systems
• Pump control
• HVAC systems
• Conveyor systems
• Lighting control
• Process control in manufacturing plants

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