Siemens 3TB4122-0XP2 Contactor AC 50/60 Hz, 240V, 12A, 5.5kW, 1NO+1NC, Size S0, Screw Terminal Original Brand New

Overview

The Siemens 3TB4122-0XP2 is a high-performance AC contactor designed for switching electric motors and other resistive loads. It is a robust and reliable component from the renowned Siemens 3TB series, known for its longevity and efficiency in industrial control systems. This specific model operates on a 240V AC coil and is rated for a maximum current of 12A and power of 5.5kW at 400V. It includes built-in auxiliary contacts (1 normally open and 1 normally closed) for interlocking and control circuit feedback. The compact size S0 and convenient screw connection terminals make it easy to install and integrate into various electrical panels.

Key Features & Specification

• Product Number: 3TB4122-0XP2
• Manufacturer: Siemens
• Product Type: Power Contactor
• Operating Voltage (Coil): 240V AC, 50/60 Hz
• Rated Current (AC-3): 12 A (at 400 V)
• Rated Power (AC-3): 5.5 kW (at 400 V)
• Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC)
• Size: S0 (compact design)
• Connection Type: Screw terminals
• Standards: IEC, VDE, etc.
• Operating Temperature: -25 to +60 °C

Benefit

• Reliable Performance: Engineered by Siemens, this contactor provides consistent and dependable performance, ensuring minimal downtime.
• Energy Efficient: Optimized design reduces power consumption during operation, contributing to energy savings.
• Integrated Auxiliary Contacts: The built-in 1 NO and 1 NC contacts simplify wiring and reduce the need for external components, saving space and cost.
• Easy Installation: The screw terminals allow for quick and secure wiring, making installation straightforward for technicians.
• Versatile Application: Suitable for a wide range of industrial applications, including controlling motors, lighting, heating elements, and more.

Function

The primary function of the Siemens 3TB4122-0XP2 contactor is to remotely switch an electrical circuit on or off. When the 240V AC coil is energized, it creates a magnetic field that closes the main power contacts, allowing current to flow to the connected load (e.g., an electric motor). Simultaneously, the auxiliary contacts switch states, providing a signal to the control circuit. When the coil is de-energized, the contacts return to their original state, interrupting the power flow.

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