Siemens 3TB4022-0XD2 Contactor 42V AC Coil, 9A, 4kW, with 1 NO + 1 NC Aux Contact Original Brand New

Overview

The Siemens 3TB4022-0XD2 is a high-quality, reliable AC contactor designed for switching electrical circuits with a compact footprint. This contactor is part of the SIRIUS modular system, known for its long service life and easy integration. With a 42V AC coil, it’s ideal for applications where low control voltage is required. It’s rated for a 400V, 9A, 4kW load and comes equipped with one normally open (1 NO) and one normally closed (1 NC) auxiliary contact, providing enhanced functionality for signaling and interlocking. The screw connection terminals ensure a secure and straightforward installation.

Benefit

• Compact Design: The size 0 form factor saves valuable panel space.
• Reliable Performance: Built to Siemens’ rigorous standards for a long operational life.
• Versatile: Suitable for a wide range of applications, including motor control and switching resistive loads.
• Enhanced Safety: The low control voltage of 42V AC minimizes risk in certain environments.
• Easy Installation: Simple screw connections make wiring fast and secure.

Technical Specification

• Product Number: 3TB4022-0XD2
• Type: Contactor
• Coil Voltage: 42V AC, 50/60 Hz
• Rated Operational Current (AC-3): 9A
• Rated Operational Power (AC-3): 4kW at 400V
• Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC)
• Size: Size 0
• Connection Type: Screw connection

Function

A contactor is an electrical switch used for switching an electrical power circuit. It’s controlled by a much lower voltage circuit, known as the coil circuit. The 3TB4022-0XD2 functions by using its 42V AC coil to energize and close the main contacts, allowing the flow of power to a load like a motor. The integrated auxiliary contacts can be used to provide feedback to a control system or to interlock other devices, ensuring a safe and coordinated sequence of operations.

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