Siemens 3MT8065-1AH24 AC-3 Contactor 65A, 30kW, 400V, 48VAC Size S2 Original Brand New

Siemens 3MT8065-1AH24 AC-3 Contactor – Reliable Motor Control Solution

The Siemens 3MT8065-1AH24 is a high-performance AC-3 contactor engineered for demanding industrial applications, specifically designed for efficient motor switching and control. Part of Siemens’ trusted electrical components lineup, this 3-pole contactor delivers robust performance and long-term reliability for your machinery.

Overview

This Siemens 3MT8065-1AH24 contactor is rated for AC-3 duty, making it perfectly suited for controlling squirrel-cage motors where breaking occurs during motor operation. With a formidable current rating of 65 Amperes and a power rating of 30 kilowatts at 400 Volts, it can manage significant loads. The integrated 2NO+2NC (normally open + normally closed) auxiliary contacts provide flexible wiring options for signaling and interlocking. Its 48 VAC coil voltage ensures compatibility with various control circuits, operating reliably across both 50 Hz and 60 Hz frequencies. The Size S2 form factor and convenient screw terminals simplify installation and maintenance.

Key Benefit

• Reliable Motor Control: Specifically designed for AC-3 applications, ensuring safe and efficient switching of motors.
• High Current and Power Rating: Handles substantial loads (65A / 30kW at 400V) for demanding industrial machinery.
• Versatile Auxiliary Contacts: 2 NO and 2 NC contacts offer extensive possibilities for control, signaling, and interlocking functions.
• Wide Coil Voltage Compatibility: Operates with a 48 VAC coil (50/60 Hz), suitable for a variety of control systems.
• Robust & Durable: Built with Siemens’ renowned quality, ensuring a long operational life and reduced downtime.
• Easy Installation: Size S2 compact design with secure screw terminals simplifies wiring and mounting.
• Enhanced Safety: Provides reliable disengagement of power circuits, improving operational safety.

Function

The Siemens 3MT8065-1AH24 contactor primarily functions as an electrically operated switch for controlling power circuits. When the 48 VAC coil is energized, it closes the main contacts, allowing power to flow to the connected load (e.g., an electric motor). When the coil is de-energized, the main contacts open, interrupting the power supply. The integrated auxiliary contact change state in unison with the main contacts, providing feedback or interlocking signals to other control component.

Application

The Siemens 3MT8065-1AH24 contactor is an ideal choice for a wide range of industrial application, including:

• Motor control in various machinery (pump, fan, conveyor, compressor)
• Switching of resistive and inductive load
• Automation system
• Heating, ventilation, and air conditioning (HVAC) system
• Material handling equipment
• Industrial power distribution panel

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