Siemens 3TB4422-0XN2 Contactor 32A, 15kW, 400V, AC-3, 1 NO + 1 NC, Size 2, Screw Connection Original Brand New

Overview

The Siemens 3TB4422-0XN2 is a high-performance AC contactor designed for reliable switching of electrical loads in industrial and commercial applications. Operating at 50/60 Hz with a 220 V AC control voltage, this contactor is capable of handling a rated operational current of 32 A at 400 V under AC-3 conditions (squirrel-cage motor switching). Its robust design and durable construction ensure a long service life and dependable performance.

Key Features and Benefit

• High Power Rating: With a 15 kW power rating at 400 V, it’s suitable for controlling powerful motors and other resistive loads.
• Versatile Auxiliary Contacts: The integrated 1 NO (Normally Open) and 1 NC (Normally Closed) auxiliary contacts provide flexibility for signaling, interlocking, and control circuit applications.
• Standardized Size: As a Size 2 contactor, it fits into standard industrial enclosures and panel layouts, simplifying installation and replacement.
• Secure Connection: The screw connection terminals ensure a firm and reliable electrical connection, minimizing the risk of faults and downtime.
• Trusted Brand: Siemens is a global leader in industrial automation, guaranteeing the quality and reliability of this product.

Technical Specification

• Product Number: 3TB4422-0XN2
• Control Voltage: 220 V AC
• Frequency: 50/60 Hz
• Rated Operational Current: 32 A (at 400 V, AC-3)
• Rated Power: 15 kW (at 400 V, AC-3)
• Auxiliary Contacts: 1 NO + 1 NC
• Size: 2
• Connection Type: Screw connection

Application

This contactor is ideal for use in:

• Motor control centers (MCCs)
• Heating, ventilation, and air conditioning (HVAC) systems
• Pump and fan control
• Machine tools and factory automation
• General industrial electrical circuit

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