Overview
The Siemens 3TB4222-0XR0 is a high-performance AC contactor designed for reliable switching and control of electrical loads. This size 1 contactor is specifically engineered for 50 Hz applications with a 415 V coil voltage. It is rated for a maximum current of 16 A at 400 V AC-3, and is suitable for motor control applications up to 7.5 kW. The unit features integrated auxiliary contacts (1 normally open (NO) and 1 normally closed (NC)), providing essential feedback and interlocking capabilities. Its robust screw connection terminals ensure secure and straightforward wiring. Ideal for industrial automation, motor control panels, and various machinery, the 3TB4222-0XR0 offers durability and consistent performance.
Benefit
- Reliable Performance: Built by Siemens, a leader in industrial technology, ensuring high quality and long-term reliability.
- Integrated Auxiliary Contacts: The built-in 1 NO and 1 NC auxiliary contacts simplify wiring and reduce the need for external components, saving space and cost.
- Versatile Application: Suitable for a wide range of applications, including motor control, lighting, heating, and other industrial loads up to 7.5 kW.
- Easy Installation: Features standard screw terminals for quick, secure, and hassle-free wiring.
- Compact Design: The size 1 form factor is efficient for panel space, allowing for more components in a smaller footprint.
Function
- Switching AC Loads: Designed to switch high-current AC loads, such as electric motors, on and off.
- Motor Control: Functions as a critical component in motor starters, enabling remote and automatic control of motor operations.
- Safety and Interlocking: The auxiliary contacts can be used for feedback to a PLC or control circuit, or for interlocking with other devices to prevent unsafe operating conditions.
Technical Specification
- Product Number: Siemens 3TB4222-0XR0
- Contactor Type: AC Contactor
- Coil Voltage: 415 V AC, 50 Hz
- Operational Current (AC-3): 16 A at 400 V
- Operational Power (AC-3): 7.5 kW at 400 V
- Auxiliary Contacts: 1 NO + 1 NC
- Connection Type: Screw terminals
- Size: Size 1
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