Siemens 3TB4422-0XH0 3-Pole AC Contactor, 48V Coil, 32A, 15kW, 1 NO + 1 NC Aux, Size 2, Screw Connection Original Brand New

Overview

The Siemens 3TB4422-0XH0 is a robust and reliable 3-pole AC contactor designed for controlling and switching electrical loads. This specific model operates on a 48V AC coil voltage and is suitable for use in circuits with a 50 Hz frequency. With a rated current of 32A and a power rating of 15 kW at 400V for AC-3 applications, it’s ideal for a wide range of industrial motor control systems. The contactor is a size 2 frame, built for durability and efficient operation.

Benefit & Features

• Reliable Performance: Engineered by Siemens, a leader in industrial automation, this contactor ensures long-term reliability and consistent performance in demanding environments.
• Versatile Auxiliary Contacts: The built-in 1 normally open (NO) and 1 normally closed (NC) auxiliary contacts provide flexible options for control and signaling circuits.
• Simplified Installation: Featuring a straightforward screw connection terminal design, the installation process is quick and secure, reducing downtime.
• Compact & Robust Design: The size 2 frame offers a balance of high performance and a relatively compact footprint, making it suitable for various control panel layouts.
• Efficient Power Handling: It’s rated for a 32A current and 15 kW motor load at 400V, making it a powerful component for medium-duty industrial applications.

Function

The primary function of the Siemens 3TB4422-0XH0 contactor is to safely and efficiently switch high-current electrical circuits. It acts as an electrically controlled switch, allowing for the remote activation or deactivation of devices such as motors, heating elements, and lighting systems. The 48V AC coil energizes an electromagnet, which closes the main power contacts, completing the circuit to the load. When the coil is de-energized, the contacts open, interrupting the power supply.

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