Overview
The Siemens 3TB4322-0XR2 is a high-performance AC contactor designed for reliable switching of electrical loads in various industrial applications. Part of the trusted Siemens 3TB series, this contactor is engineered for robust performance and a long operational life. With a 22A rating for AC-3 applications at 400V and a power rating of 11kW, it is suitable for controlling a wide range of motors and resistive loads. The integrated 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contacts provide flexible control and signaling options, making it a versatile component in any control panel. Its Size S1 form factor and secure screw connections ensure a straightforward and reliable installation.
Technical Specification
- Product Number: 3TB4322-0XR2
- Operating Voltage: 440V AC (50/60 Hz)
- Rated Operational Current (AC-3): 22A at 400V
- Rated Power (AC-3): 11kW at 400V
- Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC)
- Coil Voltage: 400V AC
- Size: S1
- Connection Type: Screw terminals
- Series: Siemens 3TB
- Applications: Motor control, switching of resistive loads, automation systems.
Key Features & Benefit
- Reliable Performance: Built with high-quality materials and Siemens' engineering excellence, the 3TB4322-0XR2 offers dependable operation and a long mechanical and electrical lifespan.
- Versatile Auxiliary Contacts: The built-in 1NO + 1NC auxiliary contacts eliminate the need for an external auxiliary block, saving space and simplifying wiring for feedback, interlocks, and signaling.
- Efficient Power Handling: Rated for 11kW at 400V (AC-3), this contactor is ideal for a wide range of industrial motor control applications.
- Secure Installation: The robust screw terminals ensure a strong, reliable electrical connection, minimizing the risk of faults from vibration or poor contact.
- Compact Design: As a Size S1 contactor, it offers a space-saving solution for control cabinets, allowing for more components in a limited area.
- Global Standard Compliance: Manufactured by Siemens, a leader in industrial automation, this contactor meets international quality and safety standards.
Function
The Siemens 3TB4322-0XR2 contactor serves as a crucial component for:
- Switching: Efficiently turning electrical circuits on and off, particularly for high-current applications.
- Motor Control: Acting as the primary switch to control the start, stop, and direction of electric motors.
- Load Isolation: Safely isolating power to a specific circuit or load for maintenance or safety purposes.
- Automation: Integrated into control systems to switch power based on signals from PLCs, sensors, or other control devices.
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