Siemens 3TB3901-0XU0 Contactor 240V AC, 6A, 2.2kW, 1 NC, Screw Connection Original Brand New

Overview

The Siemens 3TB3901-0XU0 is a high-performance AC contactor designed for reliable switching of electrical loads in industrial applications. This compact and robust Size 0 contactor is engineered for use in circuits with a frequency of 50 Hz and a control voltage of 240V AC. It is ideal for controlling motors up to 2.2 kW at 400V AC in AC-3 operation, providing a dependable solution for a wide range of motor control tasks.

Featuring one normally closed (1 NC) auxiliary contact, this contactor offers essential feedback for control and interlocking circuits. The screw connection terminals ensure a secure and straightforward installation, making it a preferred choice for electricians and engineers. Manufactured to the highest Siemens quality standards, the 3TB3901-0XU0 guarantees long-term operational stability and safety.

Key Benefit

• Reliable Performance: Engineered by Siemens, a global leader in industrial automation, for consistent and long-lasting operation.
• Compact Design: The Size 0 form factor allows for efficient use of space within control panels and electrical cabinets.
• Versatile Application: Perfect for controlling motors up to 2.2 kW, making it suitable for a variety of machinery and equipment.
• Easy Installation: Screw terminals provide a simple and secure method for wiring, reducing installation time and effort.
• Enhanced Safety: The inclusion of an auxiliary contact allows for precise monitoring and control of the circuit state.

Function

• Load Switching: Efficiently switches a 3-phase AC load, such as an electric motor, on and off.
• Circuit Control: The 240V AC coil responds to control signals to energize or de-energize the main power contacts.
• Status Indication: The integrated 1 NC auxiliary contact can be used to provide a signal to a PLC, indicator light, or other control circuitry, confirming the contactor’s open state.
• Motor Protection Integration: Can be used in conjunction with thermal overload relays (not included) to protect motors from overcurrent conditions.

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