Siemens 3MT8050-1AQ00 Contactor AC-3, 50A/22kW, 400V, 380 VAC, 50 Hz, 3-pole, size S2 Original Brand New

Overview: Siemens 3MT8050-1AQ00 Industrial Power Contactor

The Siemens 3MT8050-1AQ00 is a high-performance AC-3 contactor specifically engineered for dependable switching of motors and other inductive loads in a wide range of industrial and commercial environments. This robust 3-pole contactor, designated size S2, is a fundamental component for motor control circuits, ensuring stable and efficient operation. Designed for 400V main circuits, it can effectively handle currents up to 50 Amperes and power ratings of 22kW. A key characteristic of this model is its 380V AC control coil (50 Hz), making the 3MT8050-1AQ00 an excellent choice for systems utilizing this common industrial control voltage, ensuring seamless integration into diverse control panels globally.

Key Features & Specification

• Model: Siemens 3MT8050-1AQ00
• 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
• Auxiliary Contacts: Not specified in original description, but typically AC-3 contactors for motor control have options for auxiliary contacts. (If known, specify, e.g., “Integrated Auxiliary Contacts: [Number] NO / [Number] NC”). Self-correction: The provided description does not list auxiliary contacts, so we will omit this detail unless explicitly provided.
• Control Coil Voltage: 380 VAC (50 Hz) – compatible with widely used industrial control voltages.
• Poles: 3-pole configuration, ideal 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, guaranteeing long service life and high operational reliability even in demanding industrial conditions.

Function & Application

The Siemens 3MT8050-1AQ00 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 380V AC control coil allows for efficient 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, fans, and compressors in industrial facilities
• HVAC systems and ventilation equipment
• Conveyor belt systems and material handling
• Industrial lighting circuits and power distribution
• Integration into automated machinery and control panels where 380V AC control is standard.

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