Siemens 3TB4311-0XN1 Contactor, 22A, 11kW, 220V AC Coil, 1NC Auxiliary Contact, Size 1 Original Brand New

Overview

The Siemens 3TB4311-0XN1 is a high-performance 3-pole contactor designed for reliable and efficient switching of electrical loads in various industrial applications. Part of the trusted Siemens 3TB series, this contactor is engineered for use with a 60 Hz, 220 V AC control circuit. It is rated for an operational current of up to 22A at 400V AC3, handling motor applications up to 11 kW. Its robust design and screw terminals ensure a secure and durable connection, making it an ideal choice for motor control, power switching, and other demanding tasks.

Benefit

• Reliable Performance: Engineered by Siemens, a global leader in industrial automation, for consistent and long-lasting operation.
• Energy Efficient: Optimized design minimizes power consumption in the control circuit.
• Versatile Applications: Ideal for motor control, resistive loads, and other switching functions in commercial and industrial settings.
• Easy Installation: Features standard screw connections and can be easily mounted on a DIN rail, simplifying setup and maintenance.
• Enhanced Safety: The integrated 1 NC auxiliary contact provides an additional layer of control and feedback for interlocking and safety circuits.
• Durable Construction: Built with high-quality materials to withstand harsh industrial environments.

Function

The Siemens 3TB4311-0XN1 contactor is a crucial component in electrical control systems. It functions to:

1. Switch Power Circuits: Safely and effectively turn on and off power to electrical loads, such as motors, heating elements, and lighting.
2. Remote Control: Allows for the remote operation of high-power circuits using a low-power control signal from push buttons, sensors, or PLCs.
3. Provide Auxiliary Feedback: The integrated 1 NC auxiliary contact can be used to signal the status of the main power circuit to a control system or to an interlocking circuit, preventing simultaneous operation of conflicting devices.
4. Protect Equipment: Can be integrated with thermal overload relays (sold separately) to protect motors and other equipment from overcurrents.