Overview
The Siemens 3TB4422-0XK2 is a high-performance contactor designed for reliable switching of electrical loads in various industrial and commercial applications. This model is engineered to handle AC circuits operating at 50/60 Hz and is rated for a control voltage of 120 V AC. It's built to withstand demanding conditions with a current rating of 32 A for AC-3 applications at 400 V, making it suitable for controlling motors up to 15 kW. The robust construction and reliable operation ensure long-term performance and safety.
Benefit
- High Reliability: Built with quality materials and Siemens' engineering expertise, this contactor offers exceptional durability and a long service life, reducing maintenance costs.
- Efficient Performance: With a power rating of 15 kW and a current rating of 32 A, it efficiently handles motor control and other high-power applications.
- Versatile Auxiliary Contacts: The integrated 1 NO + 1 NC auxiliary contacts provide flexibility for creating complex control circuits and interlocks.
- Secure Connection: Screw terminals ensure a secure and reliable electrical connection, minimizing the risk of faults.
- Compact Design: The size 2 frame allows for installation in tight spaces without compromising on performance.
Function
The primary function of the Siemens 3TB4422-0XK2 is to act as an electrically controlled switch for a power circuit. It's commonly used for:
- Motor control: Switching on and off electric motors in machinery and equipment.
- Lighting control: Managing large lighting circuits in industrial and commercial buildings.
- Heating and HVAC systems: Controlling heaters, pumps, and fans.
- Capacitor banks: Switching capacitor banks for power factor correction.
Technical Specification
- Product Number: 3TB4422-0XK2
- Type: Contactor
- Operating Frequency: 50/60 Hz
- Control Voltage: 120 V AC
- Rated Current (AC-3, 400 V): 32 A
- Rated Power (AC-3, 400 V): 15 kW
- Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
- Size: 2
- Connection Type: Screw connection
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