Overview
The Siemens 3TB4422-0XU0 is a high-performance, robust contactor designed for reliable switching of electrical loads in industrial applications. This specific model is engineered for use with AC power at 50 Hz and features a 240 V AC coil for operation. With a rated operational current of 32 A for AC-3 applications at 400 V, and a power rating of 15 kW, it is suitable for controlling a wide range of motors and other resistive loads. The integrated auxiliary contacts (1 NO + 1 NC) provide flexibility for control circuits, signaling, and interlocking functions. Its compact size 2 footprint and reliable screw connections make it easy to install and integrate into new or existing control panels.
Key Features & Benefit
- Reliable Performance: Built by Siemens, a leader in industrial automation, this contactor ensures long-lasting and dependable operation.
- High Current and Power Ratings: Capable of handling up to 32 A and 15 kW, it’s ideal for medium-duty motor control applications.
- Integrated Auxiliary Contacts: The 1 Normally Open (NO) and 1 Normally Closed (NC) contacts offer seamless integration into control and feedback loops without the need for additional modules.
- Easy Installation: The screw connection terminals provide a secure and straightforward wiring process, while its standard size 2 dimensions ensure compatibility with common panel layouts.
- Safety and Durability: Designed to meet international standards, the 3TB4422-0XU0 is built with high-quality materials to withstand the rigors of industrial environments.
Function
- Motor Control: Starts and stops electric motors safely and efficiently.
- Load Switching: Switches power to various electrical loads, including heaters, lighting, and other equipment.
- Remote Control: Allows for the remote operation of machinery and systems.
- Safety Interlocking: Provides critical safety functions by preventing equipment from operating under unsafe conditions using the auxiliary contacts.
Technical Specification
- Product Number: 3TB4422-0XU0
- Type: Contactor
- Coil Voltage: 240 V AC, 50 Hz
- Operational Current (AC-3, 400V): 32 A
- Power Rating (AC-3, 400V): 15 kW
- Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC)
- Size: Size 2
- Connection Type: Screw Connection
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