Siemens 3TB4122-0XM0 Contactor: 220V AC, 12A (5.5 kW) with 1 NO + 1 NC Auxiliary Contact Original Brand New

Overview

The Siemens 3TB4122-0XM0 is a robust and reliable 3-pole AC contactor designed for controlling electric motors and other loads in a wide range of industrial applications. This specific model is engineered for 50 Hz circuits and operates with a control voltage of 220V AC. It is rated for an operational current of up to 12A at 400V AC3, making it suitable for motor loads up to 5.5 kW. The contactor is built to the highest quality standards, ensuring long-term performance and safety.

Benefits

• High Reliability: Siemens is a world leader in industrial automation, and this contactor is built with high-quality materials to ensure a long operational lifespan and minimal downtime.
• Versatile Application: Ideal for controlling motors, heating elements, lighting circuits, and other resistive or inductive loads.
• Enhanced Safety: The included 1 NO + 1 NC auxiliary contacts provide essential feedback for control circuits, enabling interlocking and status indication.
• Easy Installation: The size 0 form factor and screw connections make for a straightforward installation process, reducing labor time and complexity.
• Compact Design: Its space-saving design is perfect for integration into control cabinets and panels where space is a premium.

Function

The Siemens 3TB4122-0XM0 functions as an electromagnetically operated switch. When the 220V AC control voltage is applied to the coil, it creates a magnetic field that pulls the main contacts together. This action completes the power circuit, allowing electricity to flow to the connected load (e.g., a motor). When the control voltage is removed, a spring returns the contacts to their open position, interrupting the power circuit. The integrated auxiliary contacts operate simultaneously, providing a simple and reliable method for signaling the contactor's state (on/off) to a PLC or other control system.

Applications

• Motor starters and motor control centers
• Heating, Ventilation, and Air Conditioning (HVAC) systems
• Pump control
• Conveyor systems
• Lighting control in commercial and industrial settings
• Machine tools and other industrial machinery

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