Siemens 3TB4322-0XG1 Contactor 110V AC, 60Hz, 22A, 11kW, with 1 NO + 1 NC Auxiliary Contact Original Brand New

Overview

The Siemens 3TB4322-0XG1 is a high-performance 3-pole AC contactor designed for reliable and efficient control of electric motors and other resistive loads. Engineered for demanding industrial applications, this contactor features a robust construction and is specified for a 60 Hz frequency with a control voltage of 110 V AC. It is rated for a power output of up to 11 kW at 400 V AC3 and a current of 22 A, making it suitable for a wide range of motor starting and switching tasks. The compact Size 1 design, combined with secure screw connections, ensures straightforward installation and a durable connection.

Benefit

• Reliable Performance: Siemens is a global leader in industrial automation, and this contactor upholds their reputation for quality and reliability. It is built to withstand frequent switching operations and harsh operating conditions.
• Enhanced Safety: The integrated auxiliary contacts (1 normally open, 1 normally closed) provide critical feedback and interlock functionality, which is essential for building safe and compliant control circuits.
• Energy Efficiency: Optimized design minimizes power consumption in both the coil and the main circuit, contributing to lower operating costs over the life of the product.
• Ease of Installation: Screw-type terminals ensure a secure, long-lasting electrical connection, while the compact form factor allows for efficient use of panel space.
• Versatile Application: Ideal for controlling motors, heating elements, lighting systems, and other inductive or resistive loads in various industrial and commercial settings.

Function

The Siemens 3TB4322-0XG1 functions as an electrically controlled switch. When a 110 V AC signal is applied to the coil, it generates a magnetic field that pulls the main contacts together, allowing power to flow to the connected load. Simultaneously, the auxiliary contacts change state—the NO contact closes and the NC contact opens—providing status feedback to the control system. This is crucial for applications requiring interlocking or signaling. The contactor is specifically designed to handle a maximum rated operational current (AC-3) of 22 A at 400 V, which corresponds to an 11 kW motor.

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