Siemens 3TB4222-0XD0 Contactor, 42V AC Coil, 16A, 7.5kW, 1NO+1NC Aux, Size 1 Original Brand New

Overview

The Siemens 3TB4222-0XD0 is a high-performance AC contactor designed for reliable and efficient motor control in industrial and commercial applications. As part of the trusted Siemens 3TB series, this contactor is built to precise specifications, ensuring long-lasting operation and exceptional performance. It is a Size 1 device, compact yet powerful, making it suitable for a wide range of installations where space is a consideration.

Benefit

• Reliable Performance: Siemens is a global leader in electrical engineering, and the 3TB4222-0XD0 contactor is built to the highest quality standards, ensuring a long operational life and reliable switching performance.
• Versatile Application: With a 16A current rating and 7.5kW power rating, this contactor is ideal for controlling a variety of motors and resistive loads in different industrial settings.
• Integrated Auxiliary Contacts: The built-in 1 NO and 1 NC auxiliary contacts simplify wiring for control circuits, feedback loops, and signaling, saving time and reducing the need for additional components.
• Secure & Easy Installation: The robust screw connections provide a secure and vibration-resistant terminal for both power and control wiring, ensuring a stable and safe connection.
• Space-Saving Design: The compact Size 1 frame makes it easy to integrate into existing control panels and electrical cabinets without occupying excessive space.

Function

The Siemens 3TB4222-0XD0 contactor functions as an electrically controlled switch used to turn an electrical power circuit on or off. When the 42 V AC coil is energized, it creates a magnetic field that pulls the main contacts together, allowing power to flow to the connected load (e.g., a motor). Simultaneously, the auxiliary contacts change state—the NO contact closes and the NC contact opens—to provide control feedback or interlock functions within the system. This makes it a crucial component for automated control systems, motor starters, and power distribution applications.

Application

• Motor Starters (DOL – Direct-On-Line)
• HVAC systems
• Pumps and compressors
• Conveyor systems
• Industrial machinery and automation
• Heating and lighting circuits

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