Siemens 3TB3901-0XC2 Contactor 24V AC, 6A, 2.2 kW Size S0, 1 NC Aux, Screw Connection Original Brand New

Overview

The Siemens 3TB3901-0XC2 is a compact and reliable AC contactor designed for switching applications up to 2.2 kW (at 400V). This size S0 contactor features a 24V AC operating coil for control and includes one normally closed (1 NC) auxiliary contact, making it suitable for a wide range of industrial and commercial applications. Its robust design and screw connection terminals ensure secure and straightforward installation.

Key Features

• Operating Voltage: 24V AC (50/60 Hz)
• Rated Operational Current (AC-3): 6A at 400V
• Power Rating: 2.2 kW at 400V
• Auxiliary Contacts: 1 NC (Normally Closed)
• Size: S0 (compact size)
• Connection Type: Screw terminals for easy and reliable wiring.

Benefit

• High Reliability: Built to Siemens’ rigorous standards, ensuring a long operational life and dependable performance in demanding environments.
• Compact Design: The size S0 form factor saves space in control cabinets and panels.
• Versatile Application: Ideal for controlling motors, lighting, and other resistive loads in various industrial settings.
• Easy Installation: Screw connection terminals simplify the wiring process, reducing installation time and effort.
• Integrated Safety: The 1 NC auxiliary contact can be used for feedback or interlocking circuits, enhancing system safety.

Function

A contactor is an electrically controlled switch used for switching a power circuit. The Siemens 3TB3901-0XC2 operates by energizing its 24V AC coil, which creates a magnetic field that pulls the main contacts together, closing the power circuit. The integrated auxiliary contact (1 NC) provides a separate signal that changes state when the main contacts are closed, allowing for a variety of control and monitoring functions.

Technical Specification

• Product Type: Contactor
• Product Designation: 3TB3901-0XC2
• Manufacturer: Siemens
• Series: SIRIUS 3TB
• Operational Current: 6A
• Operational Power: 2.2 kW
• Coil Voltage: 24V AC
• Auxiliary Contacts: 1 NC
• Terminal Type: Screw
• Mounting: DIN rail mountable

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