Siemens 3TB4022-0XR0 Contactor 415V AC, 9A, 4kW with 1 NO + 1 NC Auxiliary Contact Original Brand New

Overview

The Siemens 3TB4022-0XR0 is a high-performance 3-pole contactor designed for reliable switching of electrical loads. This Size 0 contactor is built for AC applications, specifically operating at 50 Hz with a coil voltage of 415 V AC. It is rated for a 9 A current and a 4 kW power output at 400 V AC-3, making it suitable for a wide range of motor control and industrial automation tasks. The integrated 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contacts provide enhanced flexibility for control circuits and signaling. Featuring a robust screw connection, this Siemens contactor ensures a secure and durable electrical connection, minimizing downtime and maintenance.

Key Features & Benefit

• Reliable Performance: Engineered by Siemens, a global leader in industrial automation, this contactor offers consistent and dependable operation for critical applications.
• Versatile Application: Ideal for controlling motors, lighting, heating, and other inductive loads up to 4 kW, especially in 50 Hz power systems.
• Integrated Auxiliary Contacts: The built-in 1 NO + 1 NC auxiliary contacts eliminate the need for an additional auxiliary contact block, simplifying installation and saving space in control panels.
• Secure Screw Connection: The screw terminals ensure a strong, vibration-resistant connection, providing peace of mind and reducing the risk of wiring faults.
• Compact Design (Size 0): Its compact footprint allows for efficient use of panel space, making it a great choice for new installations or retrofitting existing systems.
• Cost-Effective Solution: A durable and long-lasting component that reduces the total cost of ownership through reliable operation and minimal maintenance.

Function

The Siemens 3TB4022-0XR0 contactor acts as an electrically operated switch. When the 415 V AC control voltage is applied to the coil, it creates an electromagnetic field that pulls in the main contacts, closing the circuit and allowing power to flow to the connected load. Simultaneously, the auxiliary contacts change state—the NO contact closes and the NC contact opens—to provide feedback or control other parts of the circuit. When the coil voltage is removed, the contacts return to their original state, opening the main circuit and de-energizing the load.

Technical Specification

• Product Number: 3TB4022-0XR0
• Product Type: Contactor
• Manufacturer: Siemens
• Number of Poles: 3
• Coil Voltage: 415 V AC, 50 Hz
• Rated Operational Current (AC-3): 9 A at 400 V
• Rated Operational Power (AC-3): 4 kW at 400 V
• Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC)
• Size: Size 0
• Connection Type: Screw Connection
• Mounting: Standard DIN rail or screw mounting
• Standards: IEC, VDE, UL, CSA

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