Siemens 3TB4222-0XN2 Contactor 1NO+1NC, 7.5 kW, 400V, AC3, Screw Connection Original Brand New

Overview

The Siemens 3TB4222-0XN2 is a high-performance AC contactor designed for reliable switching of electric motors and other loads. Part of the Siemens SIRIUS series, this size 1 contactor is built for durability and efficiency in industrial applications. It features a robust design and a variety of technical specifications that make it suitable for a wide range of control tasks.

Key Features & Benefit

• Optimal Performance: Rated for AC-3 duty at 400V with a current of 16A and a power rating of 7.5 kW, it ensures efficient operation for most standard motor control applications.
• Versatile Auxiliary Contacts: Comes with 1 normally open (NO) and 1 normally closed (NC) auxiliary contacts, providing flexibility for signaling, interlocking, and control circuit functions.
• Reliable Screw Connections: Equipped with secure screw connections for easy and dependable wiring, reducing installation time and ensuring a strong electrical connection.
• Durable Design: Engineered to operate effectively in ambient temperatures up to 55°C and is designed for long-term use.
• Compact & Efficient: Its size 1 frame is space-saving, making it ideal for installation in control panels where space is a premium.
• Compliance & Standards: Meets a variety of international standards, ensuring quality, safety, and compatibility with global systems.

Function

The Siemens 3TB4222-0XN2 functions as an electrically operated switch for a three-phase system. Its primary purpose is to safely and remotely switch a high-power circuit by using a low-power control signal. When the 220V AC control coil is energized, it closes the main power contacts, allowing current to flow to the connected load. The integrated auxiliary contacts change state simultaneously, which can be used to provide feedback to a control system or to activate other components in the circuit.

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