Siemens 3RT2023-1DB44-3MA0 SIRIUS Power Contactor, 9A, 4kW, 24V DC Coil, Size S0, 2NO+2NC Aux, Screw Terminal Original Brand New

Overview

The Siemens 3RT2023-1DB44-3MA0 is a high-performance power contactor engineered for reliable motor control and switching operations in industrial applications. Designed for AC-3e/AC-3 duty, this 3-pole contactor delivers dependable performance with a rated operational current of 9 A and motor output up to 4 kW at 400 V. It includes a plugged-in varistor for surge protection and auxiliary contacts (2 NO + 2 NC) for enhanced control flexibility.

Key Features & Functions

• Type: Power Contactor

• Model Number: 3RT2023-1DB44-3MA0

• Rated Current: 9 A (AC-3e / AC-3)

• Motor Rating: 4 kW / 400 V

• Poles: 3-Pole

• Coil Voltage: 24 V DC

• Auxiliary Contacts: 2 Normally Open (NO) + 2 Normally Closed (NC)

• Surge Protection: Plugged-in varistor included

• Connection Type: Screw terminal

• Size: S0

• Auxiliary Switch: Captive design for secure connection

• Manufacturer: Siemens

Benefit

• Reliable Performance – Siemens’ trusted quality ensures stable switching and long-lasting operation.
• Compact & Durable Design – Size S0 housing saves panel space while maintaining robust build quality.
• Enhanced Protection – Integrated varistor provides surge and transient voltage protection.
• Flexible Integration – 2NO + 2NC auxiliary contacts allow for versatile circuit configurations.
• Easy Installation – Screw terminal connections ensure secure and simple setup.
• Energy Efficient – 24 V DC control voltage optimizes energy use and operational efficiency.

Application

• Motor starters and control panels

• Industrial automation systems

• Conveyor systems and pumps

• HVAC and building management systems

• General electrical distribution and power circuits

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