Siemens 3RT2446-1AB00 AC-1 Contactor 140A, 690V, 3-Pole, 24V AC with 1 NO + 1 NC Contacts Original Brand New

Overview

The Siemens 3RT2446-1AB00 is a high-performance AC-1 contactor designed for reliable and efficient switching in industrial applications. With a robust 140 A current rating and 690 V voltage capacity, this 3-pole contactor ensures optimal operation even under demanding conditions. It features both main and auxiliary circuits, making it a versatile solution for controlling electrical loads safely and efficiently.

Key Benefit

• High Load Capacity: Supports up to 140 A at 690 V AC, suitable for heavy-duty industrial applications.

• Reliable Control: Equipped with 1 NO (Normally Open) and 1 NC (Normally Closed) auxiliary contact for versatile switching.

• Durable Design: Designed to operate efficiently at 40 °C ambient temperature.

• Easy Installation: Main circuit with box terminals and control/auxiliary circuits with screw terminals for secure and quick wiring.

• Compact Size: Size S3 ensures a space-saving installation in control panels.

Functions and Features

• 3-Pole AC-1 Contactor: Ensures safe switching of electrical loads in AC-1 category applications.

• Control Voltage: 24 V AC, 50 Hz, suitable for standard industrial control systems.

• Auxiliary Contacts: 1 NO + 1 NC to extend functionality for control circuits.

• Terminal Type: Box terminals for main circuit; screw terminals for control and auxiliary circuits.

• Reliable Operation: Designed by Siemens for long-term durability and consistent performance.

Application

The 3RT2446-1AB00 functions primarily as an electrically operated switch for managing high-current, non-inductive loads. Its robust AC-1 rating makes it perfect for:

• Switching Heating Elements and HVAC systems.

• Controlling Lighting Circuits in industrial settings.

• Managing Capacitor Banks and resistive load banks.

• General power switching in distribution boards and industrial control panels.