Siemens 3RT2446-1AV00 Contactor AC-1, 140A, 690V, 3-Pole, S3 Size, 1NO+1NC Contact Original Brand New

Overview

The Siemens 3RT2446-1AV00 is a high-performance industrial contactor engineered for reliable motor and power switching applications. Designed to deliver maximum durability, efficiency, and operational stability, this contactor is ideal for demanding industrial environments. With its AC-1 rating of 140 A, 690 V operating voltage, and sturdy S3 frame size, it ensures long-lasting performance under continuous duty conditions.

This Siemens contactor supports a 3-pole configuration, features 1 NO + 1 NC auxiliary contacts, and includes box terminals for the main circuit and screw terminals for auxiliary/control circuits—offering superior wiring convenience and secure electrical connections. Backed by Siemens’ trusted engineering quality, the 3RT2446-1AV00 is the optimal choice for motor control centers, automation panels, and industrial electrical installations.

Benefit

• High Switching Capacity – Supports up to 140 A at AC-1, ensuring dependable performance in high-load operations.
• Enhanced Safety & Reliability – Siemens’ robust construction guarantees long service life and safe operation.
• Flexible Integration – Compatible with a wide range of industrial control systems.
• Easy Installation – Box and screw terminal design simplifies mounting and wiring.
• Optimal Size (S3) – Fits seamlessly in compact and standard panel layouts.
• Efficient Performance – Designed for 50 Hz systems with consistent switching quality.

Function

• Switching and controlling AC power circuits

• Reliable operation for resistive loads (AC-1 category)

• Motor control and automation integration

• Auxiliary signaling and interlocking via built-in contacts

• Safe on/off switching for heavy industrial equipment

Application

• Motor control centers (MCCs)

• HVAC systems

• Conveyor systems

• Pumps, compressors, and industrial machinery

• Automation panels and switchgear

• Manufacturing and processing systems

Technical Specification

• Product Code: Siemens 3RT2446-1AV00

• Category: Contactor

• Utilization Category: AC-1

• Rated Operational Current: 140 A

• Rated Operational Voltage: 690 V at 40°C

• Poles: 3-pole

• Control Voltage: 400 V AC, 50 Hz

• Auxiliary Contacts: 1 NO + 1 NC

• Main Circuit Terminal: Box terminal

• Auxiliary/Control Terminal: Screw terminal

• Size: S3

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