Siemens 3MT8400-1AQ24 Contactor AC-3, 400A/200kW, 400V, 2NO2NC, 380 VAC, 50/60 Hz, 3-pole,size S12 Original Brand New

Siemens 3MT8400-1AQ24 AC-3 Contactor: High-Performance 400A Motor Control

Overview

The Siemens 3MT8400-1AQ24 is a robust and reliable AC-3 power contactor designed for demanding industrial applications. With an impressive current rating of 400A and a power handling capacity of 200kW at 400V, this 3-pole contactor is engineered for efficient and safe control of three-phase motors. Its compact Size S12 design and convenient screw terminals ensure straightforward installation and maintenance in various electrical system.

Function

The Siemens 3MT8400-1AQ24 contactor serves as an electromagnetic switch for frequently making and breaking electrical circuits, particularly those connected to electric motors. Operating with a control voltage of 380 VAC at 50/60 Hz, it reliably switches high inductive loads (AC-3 duty), making it perfect for starting and stopping squirrel-cage motors during normal operation. The integrated 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts provide versatile signaling and interlocking capabilities within control circuit.

Key Features

• High Current Rating: 400A AC-3 operational current for heavy-duty applications.
• Power Handling: Rated for 200kW at 400V, ensuring ample capacity for large motors.
• 3-Pole Design: Ideal for controlling three-phase electrical load.
• Auxiliary Contact: Includes 2 NO (Normally Open) and 2 NC (Normally Closed) auxiliary contacts for flexible control and feedback.
• Coil Voltage: Operates on a standard 380 VAC, 50/60 Hz control voltage.
• Size S12: Optimized compact design for space-saving installation.
• Screw Terminals: Provides secure and easy wiring connection.
• Durability: Built to Siemens’ rigorous quality standards for long operational life and reliability.

Benefit

• Enhanced Motor Control: Ensures reliable and safe switching for critical industrial motor, reducing downtime.
• Versatile Application: Suitable for a wide range of AC-3 application, including pump, fan, compressor, and conveyor.
• Easy Integration: Screw terminals and standard sizing simplify installation and integration into existing control panel.
• Increased System Safety: Auxiliary contacts enable comprehensive interlocking and status monitoring, improving overall system safety.
• Long-Term Performance: Siemens’ reputation for quality guarantees a durable product with minimal maintenance requirement.
• Cost-Effective Solution: A high-performance component that contributes to efficient power management and reduced operational cost.

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