Siemens 3RT2023-1AU20 Power Contactor 9A, 4 kW / 400V, 3-Pole, 50/60Hz, S0 Size Original Brand New

Overview

The Siemens 3RT2023-1AU20 power contactor is a high-performance electromechanical switching device from the SIRIUS 3RT2 generation, designed for reliable switching of motors and other industrial loads up to 4 kW (400V) or 9 A (AC-3e/AC-3).

Built in the compact Size S0 frame, this contactor offers a robust, space-saving solution for control cabinets. Its compatibility with the comprehensive SIRIUS modular system ensures easy integration with various overload relays and accessories.

Key Benefit

• Reliable Switching: Supports AC-3e/AC-3 loads with high operational durability.

• Compact Design: Size S0 fits in tight spaces, saving panel space.

• Versatile Application: Suitable for motors up to 4 kW at 400 V.

• Enhanced Safety: Equipped with auxiliary contacts (1 NO + 1 NC) for control circuit integration.

• Easy Installation: Screw terminal design ensures secure and quick wiring.

Function & Features

• Rated Current: 9 A

• Rated Power: 4 kW / 400 V

• Poles: 3-pole

• Voltage: 380 V AC

• Frequency: 50/60 Hz

• Auxiliary Contacts: 1 NO + 1 NC

• Mounting Type: Screw terminal

• Size: S0

• Application: Industrial automation, motor control, machinery switching

Application

The 3RT2023-1AU20 contactor is primarily used for switching:

1. Motors: Ideal for starting, stopping, and reversing three-phase AC motors in applications like pumps, fans, conveyors, and machine tools.

2. Resistive Loads: Suitable for switching heating elements and lighting circuits.

3. Solenoid Valves: Used in control systems requiring the robust switching of valves.

By using the 380 V AC coil, the contactor is perfectly suited for common industrial power grids in many regions.

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