Siemens 3RT2023-2AG20 Power Contactor 9A, 4kW, 110V AC, 3-Pole with 1 NO + 1 NC Auxiliary Contacts Original Brand New

Overview

The Siemens 3RT2023-2AG20 is a high-performance power contactor built for reliable operation in industrial control systems. Rated at 9A and 4kW at 400V, this 3-pole contactor features a 110V AC coil (50/60 Hz) and is equipped with spring-loaded terminals for secure, tool-less wiring. Its compact S0 frame size makes it ideal for space-saving installations. It includes 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contact, offering additional control and safety flexibility.

Key Benefits

• Reliable Performance: Built to handle up to 9A/4kW at 400V for dependable switching.

• Versatile Use: Designed for AC-3 and AC-3e applications in motor and industrial control.

• Easy Installation: Spring-loaded terminals provide quick and secure wiring.

• Compact Design: Space-saving S0 size fits into tight control panels.

• Safe Operation: Includes 1 NO + 1 NC auxiliary contacts for added functionality and interlocking.

Function and Application

The 3RT2023-2AG20 contactor is a crucial component for switching three-phase motors (AC-3 duty) and for general load switching (AC-1 duty). Its primary function is to safely control the flow of electrical power to a load, typically a motor, based on the signal from a $110\text{ V AC}$ control circuit.

Typical Applications Include:

• Motor Control (Starting/Stopping)
• Reversing Contactor Assemblies
• Switching Resistive Loads (e.g., Heating)
• Integration into Control Panels and Machinery

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