Siemens 3TB4422-0XG1 Contactor 110V AC Coil, 32A, 15kW, Screw Terminal Original Brand New

Overview

The Siemens 3TB4422-0XG1 is a high-performance 3-pole AC contactor designed for reliable switching of electrical loads, particularly in motor control applications. This size 2 contactor features a 110V AC, 60 Hz coil for operation and is rated for a maximum current of 32A under an AC-3 duty cycle at 400V. It can handle motor loads up to 15 kW. This robust device is built for industrial environments and provides safe and efficient control of your machinery.

Key Features & Benefit

• Reliable Motor Control: Specifically designed for switching motors, ensuring smooth and safe operation.
• High Current and Power Rating: With a 32A current rating and 15kW power handling, it’s suitable for a wide range of medium-duty industrial applications.
• Integrated Auxiliary Contacts: Includes 1 normally open (NO) and 1 normally closed (NC) auxiliary contacts, which are essential for interlocking, signaling, and control circuit logic.
• Easy and Secure Installation: The screw connection terminals provide a simple and secure method for wiring, ensuring a solid electrical connection.
• Durable Design: Built to the high standards of Siemens, guaranteeing a long service life and consistent performance in demanding industrial settings.

Function 

The Siemens 3TB4422-0XG1 contactor acts as an electrically operated switch. When the 110V AC, 60Hz control voltage is applied to the coil, it generates a magnetic field that pulls the main contacts closed. This allows the high-power circuit to be connected, energizing the motor or other load. When the control voltage is removed, the magnetic field collapses, and a spring forces the contacts back to their open position, de-energizing the load. The auxiliary contacts switch simultaneously, providing feedback to the control system.

Technical Specification

• Product Number: 3TB4422-0XG1
• Number of Poles: 3
• Coil Voltage: 110V AC, 60 Hz
• Rated Operational Current (AC-3): 32 A at 400 V
• Rated Power (AC-3): 15 kW at 400 V
• Auxiliary Contacts: 1 NO + 1 NC
• Connection Type: Screw terminals
• Size: 2

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