Siemens 3MT8050-1AL20 Contactor AC-3, 50A/22kW, 400V, kW / 400V230 VAC, 50/60 Hz, 3-pole, size S2 Original Brand New

Overview: Siemens 3MT8050-1AL20 Industrial Contactor for Motor Control

The Siemens 3MT8050-1AL20 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 S2, is a fundamental component for robust motor control circuits, ensuring stable and safe operation. Designed for 400V main circuits, it can efficiently handle currents up to 50 Amperes and power ratings of 22kW. A key feature of this model is its 230V AC control coil, making the 3MT8050-1AL20 an ideal choice for systems utilizing this common control voltage, ensuring seamless integration into diverse electrical panels.

Key Features & Specification

• Model: Siemens 3MT8050-1AL20
• Contactor Type: AC-3 (optimized for making, breaking, and occasional starting of squirrel-cage motors)
• Rated Current: 50 Amperes (A)
• Rated Power: 22 Kilowatts (kW) at 400V
• Rated Operational Voltage (Main Circuit): 400 Volts (V) AC
• Control Coil Voltage: 230 VAC (50/60 Hz) – compatible with widely used industrial control voltages.
• Poles: 3-pole configuration for three-phase motor applications.
• Size: S2 (Standard industrial size for this current range)
• Terminals: Secure screw terminal connections for straightforward and reliable wiring.
• Durability: Manufactured by Siemens, ensuring long service life and high operational reliability even in demanding conditions.

Function & Application

The Siemens 3MT8050-1AL20 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, heating elements, and lighting systems. The specific 230V AC control coil allows for easy integration into automated control systems that utilize this voltage, enhancing both operational safety and overall system efficiency.

Common applications for this 50A 400V contactor include:

• Motor control in various manufacturing and processing plants
• Control of pumps and fans in industrial and commercial buildings
• HVAC systems and ventilation equipment
• Conveyor belt systems
• Industrial lighting circuits and power distribution
• Integration into automated machinery and control panels where 230V AC control is preferred.

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