Overview
The Siemens 3TB4122-0XN1 is a high-performance AC contactor designed for reliable switching and control of electrical loads. This robust and compact device is ideal for a wide range of industrial applications, including motor control, lighting systems, and heating circuits. Featuring a 220V AC coil and a 12A current rating, it is suitable for 5.5kW applications at 400V AC3. The integrated 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contacts provide additional flexibility for control and signaling circuits. Its size 0 frame and screw terminals ensure easy and secure installation.
Key Features & Benefit
- Reliable Performance: Engineered by Siemens, a leader in industrial automation, this contactor ensures long-term reliability and safe operation.
- Versatile Application: Suitable for a broad range of AC motor control and power switching tasks.
- Compact Design: The size 0 frame saves valuable panel space, making it perfect for installations with limited room.
- Integrated Auxiliary Contacts: The 1NO + 1NC auxiliary contacts simplify wiring for control and feedback loops without the need for additional modules.
- Easy Installation: Screw terminals provide a secure and straightforward method for wiring connections.
- Durable Construction: Built to withstand demanding industrial environments, ensuring a long service life.
Technical Specification
- Product Number: 3TB4122-0XN1
- Product Type: Contactor
- Operating Frequency: 60 Hz
- Coil Voltage: 220V AC
- AC3 Current Rating (at 400V): 12 A
- Rated Power (at 400V AC3): 5.5 kW
- Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
- Size: 0
- Connection Type: Screw Connection
- Manufacturer: Siemens
Function
- Motor Control: Safely starts, stops, and reverses AC motors.
- Load Switching: Acts as a remote-controlled switch for high-current loads like lighting, heating elements, and transformers.
- Automation Integration: The auxiliary contacts allow for seamless integration into complex control systems and PLCs.
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