Siemens 3MT8040-1AG23 Contactor AC-3,40A/18.5kW, 400V, 1NO1NC, 110 VAC, 50/60 Hz, 3-pole, size S2 Original Brand New

Overview

The Siemens 3MT8040-1AG23 is a robust and reliable 3-pole AC-3 contactor, meticulously engineered for demanding industrial applications. Designed to switch loads up to 40A or 18.5kW at 400V, this S2 size contactor provides exceptional performance and durability. Its compact design and versatile 110 VAC (50/60 Hz) coil voltage make it an ideal choice for a wide range of motor control and power switching tasks in various industrial environments.

Function

At its core, the Siemens 3MT8040-1AG23 contactor serves as an electrically controlled switch for a power circuit. It is specifically designed for AC-3 utilization category, meaning it’s optimized for switching squirrel-cage motors during normal operation, including making and breaking currents when the motor is running. The integrated 1NO (normally open) and 1NC (normally closed) auxiliary contacts provide flexible options for interlocking, signaling, and control circuit integration, enhancing the overall functionality of your electrical systems.

Key Features

• High Power Rating: Capable of handling up to 40A or 18.5kW at 400V, suitable for medium to heavy-duty motor control.
• AC-3 Utilization Category: Optimized for reliable switching of squirrel-cage motors in normal operating conditions.
• 3-Pole Design: Provides efficient and secure control for three-phase electrical systems.
• Versatile Coil Voltage: Operates with a 110 VAC (50/60 Hz) control voltage, compatible with common industrial control systems.
• Integrated Auxiliary Contacts: Features 1 NO (normally open) and 1 NC (normally closed) contacts for enhanced control circuit flexibility and signaling.
• Size S2: Compact and standardized size for easy integration into control panels and existing electrical infrastructures.
• Screw Terminals: Ensures secure and straightforward wiring connections, facilitating quick installation and maintenance.
• Siemens Quality: Manufactured by Siemens, a global leader in industrial automation, guaranteeing high standards of quality, reliability, and longevity.

Application

Ideal for controlling:

• Industrial motors (pumps, fans, conveyors)
• HVAC systems
• Lighting circuits
• Heating elements
• General power switching applications in industrial and commercial settings.

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