Siemens 3MT8140-1AG27 Contactor AC-3, 140A/75kW, 400V, 4NO4NC, 110 VAC, 50/60 Hz, 3-pole, size S6 Brand New

Overview

The Siemens 3MT8140-1AG27 is a robust and high-performance AC-3 contactor, meticulously engineered for demanding industrial motor control applications. This 3-pole contactor is designed to safely and efficiently switch high currents, making it an indispensable component in various electrical systems. With its impressive current rating of 140A and power handling capability of 75kW at 400V, the 3MT8140-1AG27 ensures reliable operation even in challenging environments. Its compact Size S6 design allows for efficient panel integration, while the convenient screw terminals simplify wiring and installation.

Key Features & Benefit

• High Power Capacity: Rated for 140A (AC-3) and 75kW at 400V, providing ample power handling for large motors and heavy industrial loads.
• Versatile Contact Configuration: Features 4 Normally Open (NO) and 4 Normally Closed (NC) auxiliary contacts, offering flexible integration into complex control circuits and signaling systems.
• Wide Coil Voltage Compatibility: Operates on a standard 110 VAC, 50/60 Hz control voltage, ensuring broad compatibility with existing control infrastructure.
• Robust 3-Pole Design: Ideal for three-phase motor control and power switching applications, providing reliable interruption and connection of circuits.
• Compact Size S6: Optimized for space-saving installation within control panels, without compromising performance.
• Secure Screw Terminals: Provides robust and reliable electrical connections, facilitating easy installation and maintenance while ensuring long-term stability.
• Siemens Quality & Reliability: Manufactured by Siemens, a global leader in industrial automation, guaranteeing high standards of quality, durability, and performance.
• Enhanced Safety: Designed to meet industry safety standards, providing dependable operation and protection for your electrical systems.
• Efficient Motor Control: Perfect for applications requiring frequent switching of squirrel-cage motors, pumps, fans, and other inductive loads.

Function

The Siemens 3MT8140-1AG27 contactor serves as an electromagnetic switch for controlling electric motors and other industrial loads. Its primary functions include:

• Switching Power Circuits: Safely and efficiently making and breaking high-current AC circuits.
• Motor Starting and Stopping: Providing reliable control for the start-up and shutdown sequences of three-phase motors.
• Overload Protection Integration: Designed to work seamlessly with thermal overload relays (sold separately) for comprehensive motor protection.
• Remote Control Capability: Enables remote activation and deactivation of connected equipment via control signals to the 110 VAC coil.
• Auxiliary Contact Utilization: The 4NO4NC auxiliary contacts can be used for interlocking, signaling, feedback, and sequence control in automation systems.

Application

The Siemens 3MT8140-1AG27 contactor is widely used in various industrial sectors, including but not limited to:

• Manufacturing and Production Lines
• HVAC Systems
• Pumping Stations
• Conveyor Systems
• Material Handling Equipment
• Industrial Fans and Blowers
• Compressors
• Building Automation
• General Industrial Motor Control

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