Siemens 3TB4110-0XH0 Contactor AC-3, 12A, 5.5kW, 48V Coil, 1NO Aux, Size 0 Original Brand New

Overview

The Siemens 3TB4110-0XH0 is a robust and reliable 3-pole contactor designed for switching resistive and inductive loads in industrial applications. This contactor is part of the Siemens SIRIUS series, known for its high quality and long service life. It is specifically engineered to handle AC motor control applications up to 5.5 kW at 400 V, making it suitable for a wide range of machinery and equipment. The compact Size 0 design ensures it fits easily into control cabinets, and the screw connection terminals provide a secure and straightforward wiring process.

Benefit

• Reliable Performance: Built with high-quality materials to ensure consistent and reliable switching operations.
• Space-Saving Design: The compact Size 0 form factor allows for installation in tight spaces, optimizing cabinet layouts.
• Ease of Installation: Screw connections simplify wiring, reducing installation time and effort.
• Versatility: Suitable for a variety of AC motor control and switching applications up to 5.5 kW.
• Durability: Engineered for a long electrical and mechanical service life, minimizing maintenance needs.

Technical Specification

• Product Number: 3TB4110-0XH0
• Contactor Type: 3-pole contactor
• Rated Voltage (Coil): 48 V AC, 50 Hz
• Operational Current (AC-3): 12 A at 400 V
• Rated Power (AC-3): 5.5 kW at 400 V
• Auxiliary Contacts: 1 normally open (1 NO)
• Size: 0
• Connection Type: Screw terminals

Function

This contactor primarily functions as an electromechanical switch. When the 48 V AC coil is energized, it closes the main power contacts, allowing current to flow to the connected load (e.g., an AC motor). The integrated 1 NO auxiliary contact can be used for control circuit feedback, status indication, or interlocking with other components. Its purpose is to safely and remotely control high-power circuits using a low-power signal.

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