Siemens 3TB4322-0XU0 Contactor 240V AC, 22A, 11kW, Size S2, 1 NO + 1 NC, Screw Connection Original Brand New

Overview

The Siemens 3TB4322-0XU0 is a high-performance 3-pole contactor designed for reliable switching of AC loads up to 22 A and 11 kW. Part of the Siemens 3TB series, this contactor is engineered for industrial control applications, offering durability and a long electrical service life. Its compact design and size S2 form factor make it a versatile component for motor control, resistive heating, and other power switching tasks.

This specific model features a control coil voltage of 240V AC at 50 Hz, making it suitable for a wide range of global applications. With one normally open (1 NO) and one normally closed (1 NC) auxiliary contact, it provides essential feedback and control capabilities for complex systems. The secure screw connection terminals ensure a stable and reliable electrical connection, simplifying installation and maintenance.

Key Features

• Part Number: 3TB4322-0XU0
• Contactor Type: 3-pole contactor
• Operating Voltage (AC-3): 400 V
• Rated Current (AC-3): 22 A
• Rated Power (AC-3): 11 kW at 400 V
• Control Coil Voltage: 240 V AC, 50 Hz
• Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
• Frame Size: Size S2
• Connection Type: Screw terminals
• Standard Compliance: IEC, EN
• Mounting: DIN rail or screw mounting
• Environmental: Designed for industrial use with a wide operating temperature range.

Benefit

• Reliable Performance: Engineered by Siemens, a global leader in industrial automation, ensuring consistent and dependable operation.
• Versatile Application: Ideal for motor control, lighting circuits, heating systems, and general industrial switching.
• Easy Integration: Standard size S2 and DIN rail mounting capability allow for seamless integration into existing control panels and systems.
• Enhanced Safety: The secure screw connection prevents accidental disconnections and ensures a safe, stable electrical path.
• Comprehensive Feedback: The built-in 1 NO and 1 NC auxiliary contacts provide critical status information for your control system, enabling interlocking and signaling.

Function

• Power Switching: The primary function is to switch power to an electrical load, such as an AC motor, on and off.
• Control and Automation: Used as a key component in control circuits, responding to signals from PLCs, pushbuttons, or other switching devices.
• Safety Interlocking: The auxiliary contacts can be used to create safety interlocking circuits, preventing simultaneous operation of conflicting equipment.

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