Siemens 3MT8080-1AG23 Contactor AC-3, 80/37kW, 400V, 1NO1NC, 110 VAC, 50/60 Hz, 3-pole, size S3 Original Brand New

Overview: Siemens 3MT8080-1AG23 Industrial Motor Contactor

The Siemens 3MT8080-1AG23 is a high-performance AC-3 contactor specifically engineered for reliable and efficient switching of motors and other inductive loads in a wide range of industrial and commercial applications. This durable 3-pole contactor, sized S3, is a fundamental component for robust motor control circuits, ensuring stable and safe operational control. Designed for 400V main circuits, it expertly handles currents up to 80 Amperes and power ratings of 37kW. A key distinguishing feature of this model is its 110V AC control coil, making the 3MT8080-1AG23 perfectly suited for systems utilizing this common control voltage, facilitating seamless integration into diverse control panels globally.

Key Features & Specification

• Model: Siemens 3MT8080-1AG23
• Contactor Type: AC-3 (optimized for making, breaking, and occasional starting of squirrel-cage motors)
• Rated Current: 80 Amperes (A)
• Rated Power: 37 Kilowatts (kW) at 400V
• Rated Operational Voltage (Main Circuit): 400 Volts (V) AC
• Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC) for versatile control circuit integration, enabling status feedback and interlocking.
• Control Coil Voltage: AC 110V (50/60 Hz) – compatible with widely used control system voltages.
• Poles: 3-pole configuration, essential for three-phase motor applications.
• Size: S3 (A common industrial size for medium-to-high current applications)
• Terminals: Secure screw terminal connections for straightforward, reliable, and robust wiring.
• Durability: Manufactured by Siemens, guaranteeing long service life and high operational reliability even in demanding industrial environments.

Function & Application

The Siemens 3MT8080-1AG23 Contactor serves as a vital electromagnetic switch, enabling the remote and automated control of power flow to electrical equipment. Its primary function is to safely and efficiently establish or interrupt electrical connections in main power circuits, typically for starting, stopping, and protecting industrial motors, high-capacity heating elements, and general lighting systems. The specific 110V AC control coil allows for easy and efficient integration into various automated control systems that utilize this voltage, significantly enhancing both operational safety and overall system efficiency.

Common applications for this 80A 400V contactor include:

• Motor control in manufacturing plants and processing facilities
• Control of pumps, compressors, and large fans
• HVAC systems and ventilation equipment
• Conveyor belt systems and material handling
• Industrial lighting circuits and power distribution panels
• Integration into automated machinery and control cabinets where 110V AC control is a standard.

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