Siemens 3MT8032-1AV03 Contactor AC-3, 32A/15kW, 400V, 1NO1NC, AC 400V, 50Hz, size S0 Original Brand New

Overview: Siemens 3MT8032-1AV03 Industrial Motor Contactor

The Siemens 3MT8032-1AV03 is a high-quality AC-3 contactor specifically engineered for the reliable and efficient switching of motors and other inductive loads across a wide range of industrial and commercial applications. This durable 3-pole contactor, sized S0, is an essential component for effective motor control circuits, ensuring stable and safe operation. Designed for 400V main circuits, it can efficiently handle currents up to 32 Amperes and power ratings of 15kW. A key distinguishing feature of this model is its 400V AC control coil, making the 3MT8032-1AV03 perfectly suited for systems where the control voltage matches the main circuit voltage, ensuring seamless integration into diverse control panels globally.

Key Features & Specification

• Model: Siemens 3MT8032-1AV03
• Contactor Type: AC-3 (optimized for making, breaking, and occasional starting of squirrel-cage motors)
• Rated Current: 32 Amperes (A)
• Rated Power: 15 Kilowatts (kW) at 400V
• Rated Operational Voltage (Main Circuit): 400 Volts (V) AC
• Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC) for flexible control circuit integration, status feedback, and interlocking.
• Control Coil Voltage: AC 400V (50 Hz) – ideal for applications requiring direct control from the main supply voltage.
• Poles: 3-pole configuration for three-phase motor applications.
• Size: S0 (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 environments.

Function & Application

The Siemens 3MT8032-1AV03 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 400V AC control coil allows for direct and efficient integration into automated control systems that utilize this voltage, enhancing both operational safety and overall system efficiency.

Common applications for this 32A 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
• Industrial lighting circuits and power distribution panels
• Integration into automated machinery and control systems where a 400V AC control signal is standard.

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